FAQ

What is the Free Spectral Range Wavelength?
Free Spectral Range Wavelength or FSR is the distance between adjacent peaks in the optical wave. Free Spectral Range Wavelength is usually measured using the Picometer for Length. Note that the value of Free Spectral Range Wavelength is always positive.
Can the Free Spectral Range Wavelength be negative?
No, the Free Spectral Range Wavelength, measured in Length cannot be negative.
What unit is used to measure Free Spectral Range Wavelength?
Free Spectral Range Wavelength is usually measured using the Picometer[pm] for Length. Meter[pm], Millimeter[pm], Kilometer[pm] are the few other units in which Free Spectral Range Wavelength can be measured.
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