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fringe visibility

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(joined July 2018)
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Hi, every one
Where is the fringe visibility parameter in optigrating? Is it the same as apodization?

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  • #56022
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    mehdi taherpoor
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    Hi, every one
    Where is the fringe visibility parameter in optigrating? Is it the same as apodization?

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  • #56326
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    Steve Dods
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    No, apodization is not the same as fringe visibility. Apodization is used in defining the refractive index distribution in the grating, as shown in equation (15) of OptiGrating Users Reference 42.pdf. I don’t believe OptiGrating has a fringe visibility parameter.

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