Coherent light generators – Particular resonant cavity – Folded cavity
Patent
1985-11-27
1987-10-27
Davie, James W.
Coherent light generators
Particular resonant cavity
Folded cavity
372107, H01S 3081
Patent
active
047034912
ABSTRACT:
An optical system for a folded cavity laser has a partially transmitting output mirror and a fully reflective folding mirror on one side of an active laser medium, and another folding mirror on the other side of the active laser medium disposed so that a resonating laser beam inside the resonator cavity may make multiple passes to obtain a long effective cavity length. Means are provided for adjusting at least one of the folding mirrors so that the laser beam resonates within the cavity. Means are also provided for adjusting the output mirror so that misalignments of the folding mirrors are compensated.
REFERENCES:
patent: 4300106 (1981-11-01), Hohl et al.
Amada Engineering & Service & Co., Inc.
Davie James W.
Randolph Bertha
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