Variable output coupler for laser cavities with totally reflecti

Details Variable output coupler for laser cavities with totally reflecti Variable output coupler for laser cavities with totally reflecti

1979-09-26

1984-07-03

Sikes, William L.

Coherent light generators

Particular resonant cavity

Specified output coupling device

372 99, 350289, H01S 308

Patent

active

044583508

ABSTRACT:
An output coupler, for laser cavities with totally reflecting mirrors, hag a beam splitter and a mirror mounted so that the direction of the output beam of the laser is invariant to changes in the output coupling coefficients. The percentage of the laser's energy which is coupled out into an external beam can be continuously varied or varied to obtain the optimum output coupling coefficient and then left set on this value. This device can also be used as a variable beam splitter with an invariant direction for the reflected beam when used external to the cavity of any laser.

REFERENCES:
patent: 3449057 (1969-06-01), Levitt

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