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Modeling of Semrock filter coating

  • January 17, 2023
  • 2 replies
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I try to model the filter coating according to data from https://www.idex-hs.com/store/product-detail/ff750_sdi02_25x36/fl-007128 The table I include to the coating file is attached. ZEMAX says that this is a bad coating (nonsec. mode, NSC shaded view window). The filter is tilted y to -45 degrees relative to the incidence collimated beam of multiple wavelength from the range of 671-930 nm). I try to use the angle in the table 45, -45 and 135. The result is the same - bad filter. Please, tell me what is wrong in my filter model (attached file).

 

[Mod note: moved to more appropriate forum for OS-related discussions.]

Best answer by Sandrine Auriol

Hi @Elena.Sokolova ! 

The coating file is sensitive to formatting, so I would recommend opening your file in a text editor like Notepad++ and compare your format against the COATING.DAT file that is provided with OpticStudio.

I did it and we can see differences in terms of data separators and also you are missing Ars Arp Ats Atp at the end of your lines:

 

I have made the format modifications and now it works:

I have attached the modified file.

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2 replies

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Luminary
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Hi @Elena.Sokolova ! 

The coating file is sensitive to formatting, so I would recommend opening your file in a text editor like Notepad++ and compare your format against the COATING.DAT file that is provided with OpticStudio.

I did it and we can see differences in terms of data separators and also you are missing Ars Arp Ats Atp at the end of your lines:

 

I have made the format modifications and now it works:

I have attached the modified file.

1 Attachments
Sandrine Auriol
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    Elena.Sokolova
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Dear Sandrine,

Thank you very much, your file works.

Best Regards,

Elena

 

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    Sandrine Auriol

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