Scanning optical system for use with a semiconductor laser gener

Details Scanning optical system for use with a semiconductor laser gener Scanning optical system for use with a semiconductor laser gener

1983-03-07

1985-09-03

Grimley, A. T.

Photocopying

Including fiber optics

355 11, 350 68, 358285, 358300, G03G 1504, B41B 2108, B41B 1300, G02B 2730

Patent

active

045388954

ABSTRACT:
An optical system for use with laser chips to counteract variations in wavelength produced by semiconductor chips, to counteract astigmatism effects common to laser chips, to counteract variations in the distance between the plane of emission of the beam and the plane of a collimating lens, to counteract variations in beam size in perpendicular planes, to counteract variations in the divergence angle of emission common to laser chips, and to counteract tilt variations caused by imperfect reflecting surfaces. The system includes an apertured achromatic doublet lens for collimating the beam, a cylindrical lens, a rotating mirror, and a combination of toroidal and spherical lens.

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Optics-The Technique of Definition, by Arthur Cox, pp. 98-103, 120-129, Mar. 1956.
Webster's New World Dictionary of the American Language, College Edition, pp. 12, 53, 288, 1968.
IBM Technical Disclosure Bulletin, "Collimated Light Source with Laser Diode and Microcylindrical Lens," E. A. Cunningham, vol. 19, No. 2, Jul. 1976, pp. 625-626.

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