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Groove frequency

  • August 20, 2020
  • 1 reply
  • 84 views

Dear Optical Engineer,

I am modeling a very large Fresnel lens based on your model sample Fresnel 1.  I set the lens unit to meter and I would like to have 100 grooves per meter. Can I set the +depth/-Frequency parameter to -100?

Thank you,

Abou.

Best answer by Kaleb

Hi Abou,

Yes, you are correct. If you set your +Depth/-Frequency to -100, it will yield 100 grooves per radial lens unit. In this case the lens unit is meters, so it will correspond to 100 grooves per meter.

-Kaleb

1 reply

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  • Ultraviolet
  • 42 replies
  • Answer
  • August 20, 2020

Hi Abou,

Yes, you are correct. If you set your +Depth/-Frequency to -100, it will yield 100 grooves per radial lens unit. In this case the lens unit is meters, so it will correspond to 100 grooves per meter.

-Kaleb