Fabry-Pérot filter

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Fabry-Pérot filter

[fä′brē pə′rō ′fil·tər]
(optics)
An optical interference filter, similar to the Fabry-Pérot interferometer except that the space between the partially reflecting surfaces is only a few thousand angstroms.
References in periodicals archive ?
A tunable fiber Fabry-Perot filter (FFP) was used to filter amplified spontaneous emission-Light (ASE) from a grating-tuned diode laser.
The tunable fiber Fabry-Perot filter has a -3 dB bandwidth of about 1.
After the last amplifier in the chain, the four signals were passively split into four tunable fiber Fabry-Perot filters for channel selection, with each filter locked to a 5-to-11 kHz channel identifying tone superimposed on the signal at the transmit side.