How to align pulsed lasers with plane mirrors
Channel: Nik's Workshop
Date: 2022-03-01

Laser resonators with plane mirrors (typical for Nd:Yag or ruby lasers) are notoriously hard to align without special equipment. In this video, I show how it can be done quite precisely in a home workshop like mine. All you need is a second collimated laser (like a HeNe) and an adjustable mirror. 
This method works quite reliably and without much prior experience in this field. 

Great videos about the design process of a very similar laser type (Nd:Glass):  https://www.youtube.com/c/EricThornton24

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