Ring laser having elastic wave bias

Details Ring laser having elastic wave bias Ring laser having elastic wave bias

1974-03-15

1976-03-02

McGraw, Vincent P.

Optics: measuring and testing

Refraction testing

Prism engaging specimen

G01B 902

Patent

active

039414817

ABSTRACT:
A ring laser having beams traveling in opposite directions and elastic wave biasing means in the form of an element of elasto-optic material through which the beams pass in a common optical path. Beam coupling is reduced by applying elastic waves to the element such that particles of the elastic material vibrate along the common optical path.

REFERENCES:
patent: 3345909 (1967-10-01), De Maria
patent: 3508831 (1970-04-01), Macek
patent: 3791738 (1974-02-01), Newburgh
"Acoustic Wave ... Ring Laser"; Buholz et al; IEEE Jr. of Qunntum Electronics; Vol. QE3; 11; Nov. 67; pp. 454-459.

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