Before I buy a new tube

[jkwilborn (Jack Wilborn)]

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…