Misalignment-tolerant, grating-tuned external-cavity laser

Details Misalignment-tolerant, grating-tuned external-cavity laser Misalignment-tolerant, grating-tuned external-cavity laser

1988-06-17

1990-07-17

Gonzalez, Frank

Coherent light generators

Particular beam control device

Tuning

372102, H01S 310

Patent

active

049425838

ABSTRACT:
A grating tuned laser system having an anamorphic optical section (72) that produces a line image on the grating (73). This system is insensitive to tilt of the grating (73) about an axis (T) perpendicular to the rulings (74) of the grating (73). An embodiment that utilizes a degenerate external cavity is also insensitive to small lateral misalignment of the optical elements.

REFERENCES:
patent: 3974507 (1976-08-01), Chemelli et al.
patent: 4203652 (1980-05-01), Hanada
patent: 4253735 (1981-03-01), Kawamura et al.
patent: 4318594 (1982-03-01), Hanada
patent: 4530574 (1985-07-01), Scifres et al.
patent: 4589115 (1986-05-01), Burnham et al.
patent: 4656641 (1987-04-01), Scifres et al.
J. A. Arnaud, "Beam and Fiber Optics" 1976, p. 30, Academic Press.

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