Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent
1986-11-21
1987-12-01
Henry, Jon W.
Optics: measuring and testing
Range or remote distance finding
With photodetection
350639, 356346, G02B 718
Patent
active
047100010
ABSTRACT:
This invention supports a moving mirror in an interferometer, so that movement is restricted to a linear movement perpendicular to the plane of the mirror, and provides a means to impart a motion to the mirror. Two flat springs are connected at their centers with a beam. A mirror is affixed flush against the center portion of one of the springs, and a frame holds the edges of the springs fixed so that the beam and mirror can only move perpendicular to the plane of the springs and mirror. A voice coil is attached to the center of the other spring to impart motion to the beam and mirror.
REFERENCES:
patent: 3488123 (1970-01-01), Nichols
patent: 3902135 (1975-08-01), Terada et al.
patent: 4480914 (1984-11-01), Thompson et al.
Henry Jon W.
Hewlett--Packard Company
Wong Edward Y.
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