The Fabry-Perot interferometer is commonly used as a narrow-bandpass filter or as an instrument to measure spectral linewidths. Fabry-Perot interferometer (etalon)
Fabry-Perot interferometers that cannot be scanned are called etalons.
Schematic of a Fabry-Perot etalon
Transmission through a Fabry-Perot interferometer as a function of wavelength
Related Topics
- Other Interferometers
- Optics
- Optical Materials
