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n - Fachhochschule Jena

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• Michelson<br />

- 2-beam interference<br />

- reflection type<br />

• Mach-Zehnder<br />

- 2-beam interference<br />

- transmission type<br />

• Fabry-Perot<br />

- multiple-beam interference<br />

- resonator type<br />

• Sagnac<br />

- ring interferometer<br />

- counter-propagating beams<br />

- relativistic effect<br />

- rotation sensor (fiber gyro)<br />

Types of Fiber-Optic Interferometers<br />

Laser<br />

Detector<br />

Laser<br />

Coupler<br />

Detector Coupler<br />

Parameter X<br />

Transducer<br />

X=f (L,n)<br />

Laser Coupler Coupler<br />

Laser<br />

Detector<br />

Coupler<br />

Parameter X<br />

Transducer<br />

X=f (L,n)<br />

Mirror<br />

Parameter X<br />

Transducer<br />

X=f (L,n)<br />

Mirror<br />

Detector<br />

Detector<br />

Fibre coil<br />

Parameter: Rotation<br />

Mirror<br />

Mirror<br />

FOS - 40

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