optical sensing and photodetectors

法布里-珀罗干涉传感器

Fabry–Perot interferometric sensor

A sensor utilizing the interference of light waves reflected between two mirrors to measure physical quantities. / 一种利用光波在两个镜面之间反射产生的干涉来测量物理量的传感器。

Knowledge type: 物理设备
First proposed or discovered
Proposer: Turkey Farm member
Creator: 农场主
Last updated: 2026-11-04 16:05:53

Sub-knowledge points

Microcavity structureInterferometric detectionOptical path length modulation

Higher-order knowledge points

Optical fiber sensingGas detectionOptical interferometry

Main parameters and performance indicators

Finesse: Determines the sharpness of the interference fringesFree Spectral Range: The spacing between consecutive transmission peaksReflectivity: The fraction of light reflected at the mirrors

Open problems

No unresolved problem recorded yet

Related literature

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An interferometric fiber-optic CO2 sensor with a Fabry–Perot microcavity fully filled with a PEI/PEG composite mediumOpen source

法布里-珀罗干涉传感器

Sub-knowledge points

Higher-order knowledge points

Main parameters and performance indicators

Open problems

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