3. A Fabry-Perot filter is used to select 100 channels spaced apart by 0.2nm. What should be the cavity length and the mirror reflectivities of the filter? Assume a refractive index of 1.5 and an operating wavelength of 1550nm.

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A Fabry-Perot filter is used to select 100 channels spaced apart by 0.2nm. What
should be the cavity length and the mirror reflectivities of the filter? Assume a
refractive index of 1.5 and an operating wavelength of 1550nm.
3.
Transcribed Image Text:A Fabry-Perot filter is used to select 100 channels spaced apart by 0.2nm. What should be the cavity length and the mirror reflectivities of the filter? Assume a refractive index of 1.5 and an operating wavelength of 1550nm. 3.
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