Mach-zehnder type interferometer

Details Mach-zehnder type interferometer Mach-zehnder type interferometer

1996-08-09

1998-06-23

Font, Frank G.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01B 902

Patent

active

057710970

ABSTRACT:
An interferometer of Mach-Zehnder type includes a first half mirror dividing an entrance light flux into first and second light fluxes, a first reflection mirror reflecting the first light flux toward a second half mirror, and a second reflection mirror reflecting the second light flux toward the second half mirror. At the second half mirror, the first and second light fluxes are mixed to derive an exit light flux including interference fringes. The first half mirror and first reflection mirror are secured to opposing side walls of a first hollow supporting block made of ceramics, and the second half mirror and second reflection mirror are secured to a second hollow supporting blocks made of ceramics. The first and second supporting blocks are coupled with each other at their side walls and an assembly of the supporting blocks is mounted on a surface of an optical bench by means of kinetic mounts. The half mirrors and reflection mirrors can be provided easily and precisely, and shrinkage and expansion of the optical bench due to a temperature variation do not produce any stress of the optical elements.

REFERENCES:
patent: 5583638 (1996-12-01), Cutler

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