DIY Laser/Laser

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Laser Optics

Here we will discuss the laser type and the optics systesm

Laser tube


Mirrors available from:

3 mirror system


  • Typically used
  • Off the shelf


  • Needs regular calibration
  • Must have accurate alignment
  • After any movement this will need recalibration

2 mirror system

This has been suggested by russellh.

Two mirrors will be used along with a tracking system. The tracking system would have a motor on a driven rotating base. A UV LED is used for the tracking system. Each mirror would rotate to face the other. Use a hard drive motor and drive circuit along with a balancing control system. Russelh is working on a prototype to demonstrate the concept.


  • Auto-calibration (once set up)


  • Complexity
  • Requires drive system