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© JMDThèque - 2013

Specifications
  
Standard OSM
Catalogue reference : OSMh_LD/635/5/56_PS
Material
Copper and Aluminium
Weight
100g
Outward diameter
31 mm +/- 0,15 mm
Length
46,4 mm
Axis
2 (X-Y)
Screw sensitivity
0.7 µm
Threads
M20 (axial) and M4 (orthogonal)
Operating temperature
-10 to + 50 °C
Storage temperature
-40 to + 85 °C



  
Red laser equipped OSM
Catalogue reference: LD/635/5/56
Wavelength
635 nm
Beam diameter
3x1 mm
Optical power
5 mW
Collimated beam divergence (full angle)
< 1,5 mrad
Beam deviation, long term
< 2 µrad
Optical power stability
N.A.
Operating temperature
-10 to + 50 °C
Storage temperature
-40 to+ 85 °C
  

Click here to download this OSM description (PDF 100 Ko)
Click here to download the OSM operating instructions (PDF 145 Ko)

OUR PARTNERS :

A custom electronic board can be designed on request, adapted to your laser diode choice.


The JMDThèqueTM OSM (Optical Source Module) has been designed to enable a high and precise X-Y laser beam deviation. The OSM offers a high precision adjustment thanks to a 3-point patented tuning technology with high precision screws. The average precision is 10 mrad/screw turn. The OSM can be easily adapted on posts (orthogonal M4 thread) or on angle brackets (axial M20 thread).
The OSM features a copper heat sink ensuring a perfect thermal dissipation, improving the laser temperature stability. A NTC component allows a laser diode temperature reading. Its compact design and its aluminum anodized body bring a high robustness.
The OSM may be customised upon request: it can be delivered alone or integrating a laser diode (d5.6mm), with an optional customisable electronic control. It provides an exceptional modularity in terms of laser diode choice: near UV, blue, red, near infrared and infrared. An electronic board (equipped with a 4-pin connector) is mounted on the aluminum body, allowing plugging an electronic control device. The latter can also be customised upon request.

Pin 1 : Commun
Pin 2 : Laser diode (Ld D1)
Pin 3 : Photodiode (Pd D1)
Pin 4 : NTC (Negative Temperature Coefficient resistor)
Laser diode protection :
D2 : Zener diode
C1 : Capacitor
  

OSM electrical design

Dimensions

A large length wave choice of laser diodes is available in near UV, blue, red, near infrared, infrared. They can be integrated on request.

Applications
  
  • Laser pointing
  • Optical alignment
  • Free space optical telecommunications
  • Laser Video Projection

  • High precision screws for a sharp laser deviation angle
  • Locking screw without play for reliable adjustment
  • Smooth and precise adjustment steps
  • Robust and compact design
  • Threads at front and bottom for fixation on angle brackets
  • Large laser diode choice available
  • Custom electronic control
  

Optical Source Module (OSM)
Precision Screw Version
  

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