Specific density detector with electro mechanical actuator...

Details Specific density detector with electro mechanical actuator... Specific density detector with electro mechanical actuator...

2007-11-20

2007-11-20

Stafira, Michael P. (Department: 2886)

Optics: measuring and testing

Photometers

Reexamination Certificate

active

11048041

ABSTRACT:
An object is placed at a particular distance away from the nonreflecting side of a mirror, such that the gravitational force of the object affects the mirror. A laser is then pointed at the opposite, reflecting side of the mirror, thereby itself reflecting off the mirror and going back in to the cavity of the laser, creating a mode-hopping effect. The mirror will be affected by three forces, the force of a spring (FS), the force of a modulating signal (FMS), created by an electro mechanical device attached to the mirror, and the gravitational force of objects as they approach and recede away from the mirror.

REFERENCES:
patent: 4732472 (1988-03-01), Konig et al.
patent: 5549114 (1996-08-01), Petersen et al.
patent: 5638189 (1997-06-01), Yanagisawa
patent: 5877884 (1999-03-01), Yanagisawa

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