Laser interferometric single piece force transducer

Details Laser interferometric single piece force transducer Laser interferometric single piece force transducer

1993-07-02

1995-08-29

Turner, Samuel A.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

356345, G01B 902

Patent

active

054465460

ABSTRACT:
A highly accurate force transducer with flanges and flexures to produce uniaxial flexibility and which utilizes a laser with retroreflectors and an interferometer detecting force movements with resolution of a fraction of a wavelength of light, typically 0.0000003 inch. A mechanical amplifier increases resolution, accuracy, and repeatability. Any deviation from uniaxial movement of the flanges/mirrors detected by three other retroreflector/interferometer systems may be stored in a computer and utilized to correct the force measurements.

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patent: 5012679 (1991-05-01), Haefner
Interfganzoptische Kraftsensoren-Eine Neue Konzeption For Die Kraftmess-Und Wagetechnik, Jager, Technisches Messen, Sep. 1985.

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