Old 03-16-2014, 11:12 PM #1
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Default Focusing laser pattern from DOE lens

Hello, I have a doubt about the proper operation of focus of laser with DOE lens. Let me give an example - on working distance 1m the distance between two lines of grid pattern would be lets say 2cm on the projected plane. On working distance 1,5m the distance between the two lines what would be - 3cm or again 2cm but not blurred (focused) or anything else? Thank you in advance if someone could give me some more information.


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