- Joined
- Sep 8, 2014
- Messages
- 124
- Points
- 18
Just came across this online. I am wondering what the photo diode above the beam splitter does? Sorry if this has been asked before I searched and could not find a suitable answer.
Thanks
http://www.wickedlasers.com/image/wicked/wldiff/diagram_01.gif
Thanks
http://www.wickedlasers.com/image/wicked/wldiff/diagram_01.gif