Optical scanner

Details Optical scanner Optical scanner

1976-04-06

1977-12-20

Buczinski, S. C.

Optics: measuring and testing

Velocity or velocity/height measuring

With light detector

250201, 350204, G01P 336, G02B 1700

Patent

active

040638146

ABSTRACT:
The invention is an optical scanner that sequentially focuses optical energy (light) at selected points in space. The essential component of the invention is a scanning wheel including several glass windows with each window having a different thickness. Due to this difference in thickness, the displacement of the emerging light from the incident light is different for each window. The scanner transmits optical energy to a point in space while at the same time receiving any optical energy generated at that point and then moves on to the next selected point and repeats this transmit and receive operation. It fills the need for a system that permits a laser velocimeter to rapidly scan across a constantly changing flow field in an aerodynamic test facility.

REFERENCES:
patent: 2244687 (1941-06-01), Goldsmith et al.
patent: 3709579 (1973-01-01), Makosch
patent: 3860342 (1975-01-01), Orloff et al.
patent: 3897152 (1975-07-01), Farmer et al.
patent: 3941999 (1976-03-01), Moyers, Jr.

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