OM - Optical Modules

 Download this chapter

OM-0005 Beam expander lens f=-5mm, 4 axes kinematic mountThis frequently needed component is ideal for the fine adjustment of lenses, microscope objectives, diode laser, etc. with respect to the optical axis of the rail set-up. The displacement area is 5x5 mm and 10x10 degrees respectively. Different mounts can be attached to the adjustment holder. The component is inserted into the adjustment holder and is kept in position by a spring loaded steel ball in the same way as for the lens click mounts. Four precise fine pitch screws of repetitious accuracy allow the translational (X; Y) and azimuthal (υ; φ) adjustment.  This module comes with an insert with a biconcave lens with a focal length of -5 mm.OM-0005 Beam expander lens f=-5mm, 4 axes kinematic mount

OM-0010 Adjustable beam splitterThe adjustable prism-mount has a clear hole with a diameter of 25 mm to accommodate various optical components like plates, prisms and beam splitting cubes. With two fine pitch screws the optical component can be tilted precisely around its perpendicular axis. Furthermore the prism stage can be rotated around the perpendicular axis of the optical component with a set screw at the side. The provided beam splitter plate has a splitting ratio of 1/1 for radiation at a wavelength of 635 nm.OM-0010 Adjustable beam splitter

OM-0020 Adjustable beam splitter on tee-piece MG65This unit consists out of two carrier which are fixed in such a way that a T piece is formed. In the centre of the main axis, the adjustable beam splitter is fixed with the M6 centre screw.  A 10 mm polarising beam splitter cube is mounted to 25 mm mount and inserted into the clear hole of the adjustable prism mount. With two fine pitch screws the beam splitter cube can be tumbled precisely around its perpendicular axis. Furthermore the prism stage can be rotated around the perpendicular axis of the optical component with of a set screw at the side.OM-0020 Adjustable beam splitter on tee-piece MG65

OM-0030 Lithium Niobate Pockels Cell C-1043The Pockels cell is provided with a rotatable Brewster window. By loosening the screw with the supplied tools the cap containing the window can be rotated. If a maximum of output power is reached, the screw is fastened again. The Brewster window is covered with an additional cap which prevents the damage to the window as well as shielding laser stray light coming from the window. The Pockels cell is connected to its driver with a special high voltage cable which forms an integral part of the assembly and should not be exchangedOM-0030 Lithium Niobate Pockels Cell C-1043

OM-0040 Beam displacer 5 mm on MG20A 45° rhomboid glass prism is used to parallel offset the incoming beam by 5 mm with respect to the optical axis. It is placed on top of a rod which is mounted on a 20 mm wide carrier in such a way that the optical axis lies within the centre of the entrance face of the rhomboidal prism.OM-0040 Beam displacer 5 mm on MG20

OM-0060 LDA Beam splitter unitA Laser Doppler Anemometer (LDA) requires two laser beams coming from one coherent source. The unit splits the incoming beam into two parallel beams with a beam splitter cube and a 90° prism. To ensure that both beams are propagating in the same horizontal plane and desired direction the beam splitter cube and the 90° prism is mounted on separate precise adjustable kinematic stages. The capstan adjustment screws are spring loaded by a stack of cup springs for excellent long term stability. A special tool (CA-0012) is provided for convenient alignment.OM-0060 LDA Beam splitter unit

OM-0062 LDA Beam DisplacerThe unit shifts the beam which is travelling in direction of the optical axis in such a way that both beams are travelling with the same offset from the centre optical axis. For this purpose two 90° prisms are used which are mounted on separate precise adjustable kinematic stages. The capstan adjustment screws are spring loaded by a stack of cup springs for excellent long term stability. A special tool (CA-0012) is provided for convenient alignment.OM-0062 LDA Beam Displacer

OM-0066 LDA beam focussing unitA plano-convex lens with a focal length of 60 mm and a diameter of 40 mm is mounted into a XY adjustment holder. The lens is used to deviate and focus the two beams of the LDA into one spot where the required interference pattern is created.OM-0066 LDA beam focussing unit

OM-0070 Dichroitic beam splitter unit on MG65The transmitted light from the plastic fibre passes a microscope objective in order to be focused onto the photo detectors. Inside the cube an adjustable dichroic beam splitter separates the green and red radiation to the individual photo detector where the light signal is converted to electrical signals. The photo detectors are connected via BNC cables to the receiver section (DC-0030 Dual channel LED transmitter). The mounting cube is screwed to a 65 mm wide carrier MG65.OM-0070 Dichroitic beam splitter unit on MG65

OM-0200 Set of 4 optical filterThis set of filters consists of three coloured Plexiglas filter with a size of 50x50 mm with a thickness of 3 mm and one laser line in a C25 mount with a free opening of 11 mm. The coloured filter are as follow:

  1. Long pass filter red
  2. Band pass filter green
  3. Short pass filter blue
  4. Narrow band filter 532 nm
OM-0200 Set of 4 optical filter

OM-0310 Dichroic mirror on rotary tableA dichroic mirror HR 530 nm and HT 630 nm is used as test mirror for the “Reflection and Transmission” experiment. It is cemented to a rotary stage with a 25 mm stud which fits into the goniometer “MM-0300 Carrier with 360° rotary arm “.OM-0310 Dichroic mirror on rotary table

OM-0320 Front face mirror on rotary tableA silver coated front face  mirror is used as test mirror for the “Reflection and Transmission” experiment. It is cemented to a rotary stage with a 25 mm stud which fits into the goniometer “MM-0300 Carrier with 360° rotary arm “OM-0320 Front face mirror on rotary table

OM-0330 Glass plate on rotary tableAn uncoated glass plate is used as test object for the “Reflection and Transmission” experiment. It is cemented to a rotary stage with a 25 mm stud which fits into the goniometer “MM-0300 Carrier with 360° rotary arm “OM-0330 Glass plate on rotary table

OM-0340 Transmission grating on rotary tableA transmission grating with 600 line per mm is used as spectral analyser for the “Reflection and Transmission” experiment. It is set into the slot of a rotary stage with a 25 mm stud which fits into the goniometer “MM-0300 Carrier with 360° rotary arm “ OM-0340 Transmission grating on rotary table

OM-0400 Rotary Polariser / Analyser 360° on Carrier 20 mmThe polarisation analyser or polarizer has a horizontal rotary stage with a 25 mm through hole bore and 360 degree scale with tick marks for each 5 degrees. It is attached to a 20 mm wide carrier. A film-sheet polarizer is inserted into a C25 mount which is set into the rotary stage and is kept with three M3 grub screws in position. The module comes with aligned polarisation direction with 0 degree for vertical polarisation.OM-0400 Rotary Polariser / Analyser 360° on Carrier 20 mm

OM-0410 Rotary quarter wave plate on carrierThe polarisation analyser or polarizer has a horizontal rotary stage with a 25 mm through hole bore and 360 degree scale with tick marks for each 5 degrees. It is attached to a 20 mm wide carrier. A quarter-wave plate is inserted into a C25 mount which is set into the rotary stage and is kept with three M3 grub screws in position. The module comes with aligned position of the optical axis at 0 degree.OM-0410 Rotary quarter wave plate on carrier

OM-0440 Fresnel mirror assemblyTwo silver coated front face mirrors are arranged side-by-side so that they can simultaneously illuminated by an expanded laser beam. Each mirrors is mounted to a kinematic adjustment holders allowing the horizontal and vertical tilt. The mirrors are aligned with a small inclination to one another creating a partial phase shift inside the illuminating beam.OM-0440 Fresnel mirror assembly

OM-0460 Refraction prism assemblyThe central part of an Abbe refractometer is the refracting prism. In this module a 90° prism is attached on top of a base block. From left below the light enters the prism block. Inside the 25 mm housing a lens is located to focus the incoming light to the surface of the prism. The reflected part of the beam leaves right below the prism block and another lens collimates the beam to an almost parallel beam. The entire unit is attached to a 65 mm wide carrier MG65OM-0460 Refraction prism assembly

OM-0462 Deflection mirror unit, leftA from left incoming beam is deflected by a silver coated mirror by 90 degrees down. Subsequently it hits another silver coated mirror which deflects the light under 45 degrees upwards. The entire unit is attached to a 30 mm wide carrier M65.

OM-0464 Deflection mirror unit, rightA from left incoming beam under 45 degrees is deflected by a silver coated mirror by 90 degrees up. Subsequently it hits another silver coated mirror which deflects the light horizontal. The entire unit is attached to a 30 mm wide carrier M65.OM-0464 Deflection mirror unit, right

OM-0510 Diode laser head in twofold rotary mountA diode laser is integrated into a 25 mm housing with cooling fins. A Peltier element and an NTC temperature sensor are used to measure and control the temperature of the laser diode with an accuracy of ±0.1 °C. The diode laser is connected via a 15 pin SubD HD connector to the controller “DC-0040 Diode laser controller MK1“ . Inside the connector an EPROM contains the data of the laser diode and when connected to the controller, these data are read and displayed by the controller. The laser head is inserted into a rotary stage which is attached to another rotary stage so that the laser head can be rotated around its horizontal and vertical axis.OM-0510 Diode laser head in twofold rotary mount

OM-0520 Pulsed diode laser head in twofold rotary mountA pulsed laser diode is integrated into a 25 mm housing with cooling fins. A NTC temperature sensor is used to measure the temperature of the laser diode. The diode laser is connected via a 15 pin SubD HD connector to the controller “DC-0050 Pulsed laser diode controller MK1”. Inside the connector an EPROM contains the data of the laser diode and when connected to the controller, these data are read and displayed by the controller. The controller provides the necessary voltage to load the ignition condenser inside the laser head and the discharge pulse to release the laser pulse. The emission wavelength is 905 nm with a repetition rate of 2 kHz and an adjustable pulse width of 50 to 150 ns and a output energy of 4 µJ. The laser head is inserted into a rotary stage which is attached to another rotary stage so that the laser head can be rotated around its horizontal and vertical axis.OM-0520 Pulsed diode laser head in twofold rotary mount

OM-0540 Diode laser module 980 nm, ST fibre connectorA laser diode is housed into a so called butterfly package. Inside the package the laser diode is connected to a single mode optical fibre which is terminated with a single mode ST fibre connector. Furthermore the laser diode is attached to a Peltier cooler and a NTC temperature sensor to measure and control the temperature of the laser diode. The fibre is plugged to an ST panel mount fibre jack of the module. The output power is 250 mW as single mode radiation at a wavelength of 980 nm.The diode laser is connected via a 15 pin SubD HD connector to the controller “DC-0040 Diode laser controller MK1”. Inside the connector an EPROM contains the data of the laser diode and when connected to the controller, these data are read and displayed by the controller.OM-0540 Diode laser module 980 nm, ST fibre connector

OM-0550 Diode laser module 1550 nm, ST fibre connectorA laser diode is housed into a so called butterfly package. Inside the package the laser diode is connected to a single mode optical fibre which is terminated with a single mode ST fibre connector. The fibre is plugged to an ST panel mount fibre jack of the module. The output power is 250 mW as single mode radiation at a wavelength of 1550 nm. The diode laser is connected via a 15 pin SubD HD connector to the controller “DC-0040 Diode laser controller MK1”. Inside the connector an EPROM contains the data of the laser diode and when connected to the controller, these data are read and displayed by the controller. The diode laser is connected via a 15 pin SubD HD connector to the controller “DC-0040 Diode laser controller MK1”. Inside the connector an EPROM contains the data of the laser diode and when connected to the controller, these data are read and displayed by the controller.OM-0550 Diode laser module 1550 nm, ST fibre connector

OM-0560 HeNe laser tube with XY and wobble alignmentThe laser tube is mounted into two XY adjustment holders. The tube can be aligned parallel to the X and Y direction as well as slightly tumbled along its axis. This is necessary to align the capillary with respect to the optical axis of the laser cavity.A metal shield carries on its rear the required ballast resistor for a stable high voltage discharge. Both the anode and cathode are insulated so that no electrical hazard is possible. The Brewster windows are protected by soft silicon caps when the tube is not in operation.OM-0560 HeNe laser tube with XY and wobble alignment

OM-0570 Littrow Prism TunerA way to select different lines of a laser is to use a Littrow prism. The Littrow prism is made from fused silica which is the required substrate for IBS coating. The spectral range of the IBS coating covers 580..720 nm with a reflectivity >99.98 %. The prism is mounted into a precise adjustment holder where it can be smoothly tilted in vertical or horizontal direction.OM-0570 Littrow Prism Tuner

OM-0580 Birefringent TunerThe double refractive or birefringent plate is mounted in a dual rotational stage. For the intra-cavity operation the birefringent plate needs to be aligned in such a way that the laser beam hits the plate under the Brewster angle to minimize the reflection losses. It can be accomplished by turning the rotary plate. In addition the birefringent plate can be rotated around its optical axis by tilting the lever. By rotating the plate its optical retardation δ is changed. If the retardation δ of two passes is a multiple integer of the wavelength λ the polarisation remains unchanged. In all other cases the polarisation is changed and will cause losses at the Brewster window.OM-0580 Birefringent Tuner

OM-0590 Single Mode Etalon with kinematic mountTo force the laser to operate in only one longitudinal mode a so called etalon is used. It consists of a quartz cylinder with its end faces precisely ground parallel within a few arc seconds. The length is designed so that the convolution of its free spectral range with the HeNe cavity favours only one mode. The etalon is mounted into a holder which is inserted into the adjustment holder. A provided hexagon key is used to fix the etalon mount. Two precise fine pitch screws allow the sensitive tilt of the etalon which is required to tune it inside the cavity to different orders of the etalon.OM-0590 Single Mode Etalon with kinematic mount

OM-0596 Transverse Mode EnhancerThis module uses a very thin wire (< 50 µm) which can be adjusted in 5 degrees of freedom. The translation XY, azimuthal tilting  and rotation around its axis. Applied inside a cavity, it will force the electrical field of the laser radiation to zero due to its electrical conductivity. In this way the laser can be forced to oscillate on transverse modes.OM-0596 Transverse Mode Enhancer

OM-0620 Collimating optics on carrier MG20A high precision aspheric glass lens is mounted into a click holder (C25) which is inserted into the XY adjuster. By means of two fine pitch screws the collimator can be adjusted accordingly. The glass lens has a focal length of 4.6 mm, the numerical aperture is 0.53 and the clear opening is 4,9 mm. In addition the lens has a anti reflex coating in a range of 700 to 900 nm with a residual reflection < 0:5 %.OM-0620 Collimating optics on carrier MG20

OM-0622 Focussing optics, f=60 mm on carrier MG20To obtain a very high intensity of the incident light the beam is focused by using a biconvex lens with a focal length of 60 mm. The lens is mounted into a so called click mount (C25) with a mounting diameter of 25 mm. The mount is clicked into the mounting plate where three spring loaded steel balls keep the lens precisely in position.OM-0622 Focussing optics, f=60 mm on carrier MG20

OM-0624 Collimating optics on carrier MG20Nd:YAG rod in 2 axes kinematic mountThe adjustment holder as two high precision fine pitch screws. The upper screw is used to tilt the moveable plate vertically and the lower one to tilt it horizontally. The mounting plate provides a M16 mount into which the laser mirrors holder are screwed. The mirror is pressed against a mechanical reference plane inside the M16 mount in such a way that the mirror is always aligned perfectly when removed and screwed in again. The adjustment holder is mounted to the carrier that a “left” operating mode is achieved and thus forming the left mirror holder of the laser cavity including the Nd:YAG rod as active material. Due to the symmetry of the adjustment holder it can also be changed to the “right” mode if required. The Nd:YAG rod is coated on one side for HR 1064 nm, HT for 808 nm and has on the other side an anti reflex coating for 1064 nm.OM-0624 Collimating optics on carrier MG20

OM-0640 SiPIN photodetector on carrier MG20A Si PIN photodiode is integrated into a 25 mm housing (C25) with two click grooves (PD). A BNC cable and connector is attached to connect the module to the photodetector signal box ZB1. The photodetector is placed into the mounting plate where it is kept in position by three spring loaded steel balls.OM-0640 SiPIN photodetector on carrier MG20

OM-0650 KTP crystal SHG 532 nm, 5 axes mount on carrier MG20For the frequency doubling or second harmonic generation a KTP crystal will be used. The KTP (Potassium titanyl phosphate KTiOPO4) has a size of 3x3x6 mm and is mounted into a disk with 3 mm thickness and gently clamped. The disk holding the crystal is set into the mount where it is fixed by a threaded ring. The crystal mount is inserted into the adjustment holder. It is kept in position by a spring loaded steel ball in the same way as for the lens click mounts. Four precise fine pitch screws of repetitious accuracy allow the translational and azimuthal adjustment. The crystal mount can be rotated free of play around its axis. This is important to rotate the crystal with respect to the polarisation of the fundamental laser radiation. The end faces of the crystal are polished better λ/10 and are coated with a high bandwidth anti reflection coating of with a residual reflectivity R of 0.1%. OM-0650 KTP crystal SHG 532 nm, 5 axes mount on carrier MG20

OM-0660 Cr:YAG passive q-switch, 5 axis mount on MG20The Chromium YAG crystal has a diameter of 5 mm and a thickness of 1 mm. It is mounted with two disks into the crystal mount (CM) a threaded retaining ring (R) keeps the crystal and the two disks in position. The crystal mount (CM) is inserted into the five axes adjustment holder (AH). It is kept in position by a spring loaded steel ball in the same way as for the lens click mounts. Four precise fine pitch screws of repetitious accuracy allow the translational and azimuthal adjustment. OM-0660 Cr:YAG passive q-switch, 5 axis mount on MG20

OM-0670 Pr:YLF crystal in 5 axis mount on MG20A Praseodymium doped Yttrium Lithium Fluoride crystal with a diameter of 5 mm and a length of 6 mm is mounted into a disk with 3 mm thickness and gently clamped. The disk holding the crystal is set into the mount where it is fixed by using the threaded retaining ring. The crystal mount is inserted into the five axes adjustment holder. It is kept in position by a spring loaded steel ball in the same way as for the lens click mounts.Four precise fine pitch screws of repetitious accuracy allowing the translative (X,Y) and azimuthal (υ,φ) adjustment.The crystal mount can be rotated free of play around its axis. This is important to rotate the crystal with respect to the polarisation of the pump laser radiation.The Pr dopant level is 0.7% and the crystal is cut along its c axis termed also as c-cut orientation. The end faces of the crystal are polished better λ/10 and are coated with a high bandwidth anti reflection coating of 440 .. 740 nm with a residual reflectivity R of <0,1%.OM-0670 Pr:YLF crystal in 5 axis mount on MG20

OM-0674 LBO crystal SHG 640 nm in 5 axis mount om MG20For the frequency doubling or second harmonic generation 640 → 320 nm a LBO crystal will be used. A 3x3 mm and 6 mm long LBO crystal is mounted into a disk with 3 mm thickness and gently clamped. The disk holding the crystal is set into the mount where it is fixed by using the threaded retaining ring. The crystal mount is inserted into the five axes adjustment holder. It is kept in position by a spring loaded steel ball in the same way as for the lens click mounts. Four precise fine pitch screws of repetitious accuracy allowing the translative (X,Y) and azimuthal (υ,φ) adjustment.The crystal mount can be rotated free of play around its axis. This is important to rotate the crystal with respect to the polarisation of the fundamental laser radiation.OM-0674 LBO crystal SHG 640 nm in 5 axis mount om MG20

OM-0680 Nd:YAG rod in 5 axes mount on carrier 20For the setup of a concentric Nd:YAG laser a Nd:YAG crystal has a size of 3x3x6 mm and is mounted into a disk with 3 mm thickness and gently clamped. The disk holding the crystal is set into the mount where it is fixed by a threaded ring. The crystal mount is inserted into the adjustment holder. It is kept in position by a spring loaded steel ball in the same way as for the lens click mounts. Four precise fine pitch screws of repetitious accuracy allow the translational and azimuthal adjustment. The crystal mount can be rotated free of play around its axis. This is important to rotate the crystal with respect to the polarisation of the pump laser radiation. The end faces of the crystal are polished better λ/10 and are coated with a high bandwidth anti reflection coating of with a residual reflectivity R of 0.1% for 1064 nm.OM-0680 Nd:YAG rod in 5 axes mount on carrier 20

OM-0700 Gyroscope turntableThe HeNe ring laser formed by the three laser mirror and a single mode etalon is set-up on a rigid construction consisting of a solid base with a motor driven turn table. The HeNe-laser tube has a length of app. 400 mm with Brewster windows. The tube is mounted with soft rubber rings in two X-Y adjustment holder allowing the adjustment of the capillary with respect to the ring laser axis. The required alignment laser as well as the dual beat frequency detector module are attached by M4 screws to the turn table.OM-0700 Gyroscope turntable

OM-0720 Alignment laser 532 nm with power supplyThis module is designed as an attachment to OM-0700 Gyroscope turn table and provides a green emitting DPSSL which is mounted into a 4 axes kinematic mount. It is used for the initial alignment of the HeNe tube as well the three ring laser mirror of the laser gyroscope. Four precise fine pitch screws of repetitious accuracy allowing the translative (X,Y) and azimuthal (υ,φ) adjustment. The alignment laser is powered by 5V USB wall plug power supply.OM-0720 Alignment laser 532 nm with power supply

OM-0780 Dual beat frequency detectorTo measure the beat frequency it is required that the clockwise (cw) and counter clockwise (ccw) modes are travelling collinear in one direction. For this purpose the ccw modes is deflected via a half-wave plate into a polarizing beam splitter cube where its is deflected by 90 degrees and travels from thereon in the same direction as the cw mode. The two modes are passing on its way to the photodetectors a quarter-wave plate which converts the polarisation state from linear into circular polarisation. Both modes are split by a neutral beam splitter cube into two channels. In front of each of the attached photodetectors a polarizer is placed, whereby one is turned by 45° to the other one to obtain a 90° phase shift. This enables to determine the rotation direction of the laser gyroscope by applying the electronic quadrature detection.OM-0780 Dual beat frequency detector

OM-0820 Gas cuvette assemblyA 25 mm housing with a length of 200 mm is vacuum proof sealed by two optical glass windows. The cuvette is held by two mounting plates on 20 mm wide carrier MG20. The cuvette has two hose connections which are connected to the “DC-0110 Vacuum Controller “OM-0820 Gas cuvette assembly

OM-0840 Fringe detection unit on MG100The interfering beams of an interferometer are passing a quarter wave  plate  to convert the orthogonally polarised light into circular polarisation and distributed on two channels at the neutral beam splitting cube . One polarising beam splitting cube generates a sine and a 180° phase shifted signal which are detected by the respective photo detectors. The other polarising beam splitter cube is rotated by 45° and generates the corresponding cosine signals to obtain a 90° phase to obtain a 90° phase shift. This enables to determine the travel direction of the moving triple reflector by applying the electronic quadrature detection. The unit is mounted onto a 65 mm wide carrier MG65 and a removable Plexiglas cover protects the optics against dust.OM-0840 Fringe detection unit on MG100

OM-0910 Single Mode HeNe laser with Zeeman magnetDue to safety reasons with respect to the high voltage supply of the HeNe Laser tube, the anode section is enclosed by an acrylic box. The length of the tube is designed in such a way that the laser can only emit one longitudinal mode. To change the length of the resonator for stabilisation purposes a bifilar arranged heater coil is applied to the tube. Beneath the tube a linear array of strong magnets is located to create a longitudinal magnetic field. Under the influence of this field the atomic states are split according to the longitudinal Zeeman effect. The main laser intensity comes out of the mirror at the cathode side (right) whereby a laser power leakage on the mirror on the anode side (left) is used for the beat frequency detection.OM-0910 Single Mode HeNe laser with Zeeman magnet

OM-0920 POF Y coupler in C25A plastic optical Y coupler is housed inside a C25 housing. The coupler is used to merge the beams of two plastic fibre coupled LEDs into one fibre. The two input connectors are of FSMA type, whereby the output is of ST-POF type.OM-0920 POF Y coupler in C25

OM-0950 MO coupling optics, 4 axes kinematic mountA 20x microscope objective is attached to the 4 axes kinematic mount. Four precise fine pitch screws of repetitious accuracy allowing the translative (X,Y) and azimuthal (υ,φ) adjustment.OM-0950 MO coupling optics, 4 axes kinematic mount

OM-1000 Bar code scannerA commercial bar code scanner as they are in use at the cash desks in super markets is modified to get the access to the relevant optical signals as the photodetector raw analogue signal and the binary signal built from the analogue signal. Both signals are available via two BNC panel jacks at the rear of the scanner. The data are transferred  via a USB cable to a connected computer like a note pad for instance. Control and configuration commands are send to the controller of the scanner by reading special bar code symbol cards.OM-1000 Bar code scanner

OM-1010 Configuration bar code symbol cardsA selection of necessary configuration barcode symbol cards is provided to enable desired code recognition or other initial settings.OM-1010 Configuration bar code symbol cards

OM-1020 Bar code sample cardsA set of bar code sample with simple coded words is used to compare and identify the related analogue scanner signal.OM-1020 Bar code sample cards

OM-1030 Set of beam blocker cardsThe scanner emits a series of scan lines to enable the 3D reading of barcodes. Each scan line creates an optical signal which makes it difficult to identify and interpret  the resulting electronic signal. There fore the number of scan lines is reduced to just on line by placing beam blocker cards in front of the scanner mirror except one.OM-1030 Set of beam blocker cards

OM-2100 Audio & Video upto fibre transmitterThe OM-2100 transmits composite video and two independent audio channels over one multimode or single mode fibre. The modulated laser signal is available at an ST fibre panel jack. Operating Wavelength is 1310 nm and the optical power is sufficient for a maximum transmission length of 5 km with a 50 µm multimode fibre. When using a single mode fibre the distance can be extended to 40 km. OM-2100 Audio & Video upto fibre transmitter

OM-2200 Audio & Video from fibre receiverThe OM-2200 receives composite video and two independent audio channels over one multimode or single mode fibre. The optical fibre carrying the modulated laser signal is connected to an ST fibre panel jack. The video signal is available at the BNC panel jack and the audio stereo channel at attached cynch connectors.OM-2200 Audio & Video from fibre receiver

OM-3310 Iodine cell on carrierThe glass cell has a length of 200 mm and has a Brewster window at each side. It is baked out at a high temperature and natural Iodine is distilled into the evacuated cell and subsequently sealed. The cell is kept with soft rubber rings inside the two C25 mounts which are placed into two mounting plates. A Plexiglas cover protects the valuable cell against damage.OM-3310 Iodine cell on carrier

OM-L445 Diode laser module 445 nm, 1 WFor the efficient optical excitation of the Praseodymium doped YLF crystal a pump wavelength of 444 nm at its full power is required. The pump laser diode is mounted onto a Peltier element to control the operating temperature in a range of 10 .. 50 °C. The output power is 1 Watt at a wavelength of 444 nm. A particularity of the blue diode lasers is that its wavelength strongly depends beside the temperature with 0.05 nm/°C also strongly on the injection current with 3.3 nm/A. This device can emit highly concentrated visible light which can be hazardous to the human eye. The operators of the diode laser module have to follow the safety precautions found in IEC 60825-1 “Safety of laser products Part 1: Equipment classification, requirements and user’s guide” when connected to the controller.The diode laser is connected via a 15 pin SubD HD connector to the controller MK1. Inside the connector an EPROM contains the data of the laser diode and when connected to the controller, these data are read and displayed by the controller.OM-L445 Diode laser module 445 nm, 1 W

OM-L500 Diode laser module 808 nm on C20For the efficient optical excitation of the Nd doped YAF crystal a pump wavelength of 808 nm at its full power is required. The pump laser diode is mounted onto a Peltier element to control the operating temperature in a range of 10 .. 50 °C. The output power is 1 Watt at a wavelength of 808 nm. A particularity of the 808 nm diode lasers is that its wavelength strongly depends beside the temperature with 0.25 nm/°C also on the injection current with 0.05 nm/A. This device can emit highly concentrated invisible light which can be hazardous to the human eye. The operators of the diode laser module have to follow the safety precautions found in IEC 60825-1 “Safety of laser products Part 1: Equipment classification, requirements and user’s guide” when connected to the controller.The diode laser is connected via a 15 pin SubD HD connector to the controller MK1. Inside the connector an EPROM contains the data of the laser diode and when connected to the controller, these data are read and displayed by the controller.OM-L500 Diode laser module 808 nm on C20

Flag of Germany