Beam alignment device and method

Details Beam alignment device and method Beam alignment device and method

1990-05-03

1994-04-26

Arnold, Bruce Y.

Optical: systems and elements

Mirror

Plural mirrors or reflecting surfaces

359857, 359858, G02B 510

Patent

active

053072103

ABSTRACT:
We describe a device for aligning optical beams that uses either an elliptically curved or a parabolically curved mirror arranged in the reflected beam path between a rotatable mirror, which is placed at the focus of the curved mirror, and the desired target. With the elliptical mirror, the device provides variable angle, fixed position of incidence of the reflected beam upon a target placed at the second focus of the ellipse. With the parabolic mirror, the device provides variable position, fixed angle of incidence of the reflected beam upon a target. Combinations of these devices may be used to solve a variety of beam steering and/or beam alignment problems. These devices are particularly useful for experiments and applications involving ultrashort optical pulses since the time of flight through either of these devices is a constant independent of the angle of incidence and the position of incidence.

REFERENCES:
patent: 3694095 (1972-09-01), Louthan
patent: 3887263 (1975-06-01), Thompson, III
patent: 3950079 (1976-04-01), Rambauske
patent: 4209253 (1980-06-01), Hughes
patent: 4367017 (1983-01-01), Jimbou et al.
patent: 4692024 (1987-09-01), Bloss

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