| Diodes and Spatial Filters
March 23 2004 at 11:12 PM | Colin Kaminski (no login)
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| I got curious and had some time in the studio where I could not go to black so I decided to set up the Integraf Diode with a really dirty transfer mirror and into a spatial filter. I tried 10x and 20x objectives with a 25 um pinhole. I made no effort to circularize the beam. I was not able to make it perfectly clean but I was able to get it extremely close. I think I need a slightly larger pin hole to make this work perfectly but the beam was so nice that I would not go to the effort of getting another pinhole.
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