Line laser beam production and its use in scanning densitometers

Details Line laser beam production and its use in scanning densitometers Line laser beam production and its use in scanning densitometers

1975-02-03

1977-03-29

Corbin, John K.

Optics: measuring and testing

Inspection of flaws or impurities

Bore inspection

350162R, G01N 2122

Patent

active

040146103

ABSTRACT:
An arrangement for producing a laser beam as a line utilizing a sharp straight edge intercepting a portion of the original spot laser beam. The use of an diffraction grating at varying angles of the incident spot laser beam also produces a stretched laser spot of various orders with laser lines connecting the various orders.

REFERENCES:
patent: 3625621 (1971-12-01), Fields
patent: 3802784 (1974-04-01), Reynolds et al.
patent: 3861801 (1975-01-01), Peters et al.

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