Frequency-controlled, unstable optical resonator

Details Frequency-controlled, unstable optical resonator Frequency-controlled, unstable optical resonator

1980-04-28

1982-10-12

Sikes, William L.

Coherent light generators

Particular beam control device

Mode discrimination

372 96, H01S 308

Patent

active

043542719

ABSTRACT:
The lasing action in an unstable optical resonator is controlled as to frequency by limiting frequency selectivity to an axis-near beam. The control is provided preferably outside the cavity by means of active or passive elements. A passive element returns a frequency-controlled beam into the cavity, an active element injects a control beam at the desired frequency.

REFERENCES:
patent: 3969685 (1976-07-01), Chenausky et al.
patent: 4019157 (1977-04-01), Hutchinson et al.

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