Suddenly not getting expected power out of laser

[jkwilborn (Jack Wilborn)]

Suggest this thread… if everything checks out and it is still failing, let us know.

Lost of power on our Reci W6 tube?

If you have properly working tube aligned and clean optics proper focus It will work, so one of these is having a problem. A proper alignment should start at m1 (mirror 1) examining the beam quality from the source (tube). This should resonate in TEM00 mode or it never will align properly. I cut targets out of watercolor paper so I can press fit them into the mirror holders. [target-sheet-crop-tube] The burn mark needs to be light enough to see the Gaussian power distribution curve acr…