Oscillators – Relaxation oscillators
Patent
1978-10-04
1980-12-09
Evans, F. L.
Oscillators
Relaxation oscillators
331 945C, G02B 518
Patent
active
042381410
ABSTRACT:
A device for delaying specified frequencies of a multiple frequency laser beam. The device separates the multiple frequency beam into a series of spatially separated single frequency beams. The propagation distance of the single frequency beam is subsequently altered to provide the desired delay for each specific frequency. Focusing reflectors can be utilized to provide a simple but nonadjustable system or, flat reflectors with collimating and focusing optics can be utilized to provide an adjustable system.
REFERENCES:
patent: 2652742 (1953-09-01), Walsh
patent: 3443243 (1969-05-01), Patel
patent: 3459466 (1969-08-01), Giordmaine
patent: 3586442 (1971-06-01), Tripp
patent: 3845294 (1974-10-01), Indig et al.
patent: 3907430 (1975-09-01), Mann
patent: 4009391 (1977-02-01), Janes et al.
Cochran II William W.
Denny James E.
Evans F. L.
Gaetjens Paul D.
The United States of America as represented by the United States
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