Photodiodes: 
- Si avalanche photodiodes,
  - APD receivers,
  - APD module,
  - High Voltage modules for APD,
  - PIN photodiodes
 
 
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            Photon Counters: 
- Single Photon Counting Modules,
  - APDs for Photon Counting
 
 
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            Lasers: 
- Dot and line diode lasers, Laser pointers,
  - Cross hair lasers,
  - Emitters for telecommunication
 
 
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            Others: 
- Optical fibers for special applications,
  - Optics with very high damage threshold coatings,
  - UV viewers
 
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