Arrangement for changing the geometrical form of a light beam

Details Arrangement for changing the geometrical form of a light beam Arrangement for changing the geometrical form of a light beam

1990-04-05

1992-08-11

Bovernick, Rodney B.

Optical: systems and elements

Diffraction

From grating

359572, 359850, 359857, 21912174, 21912176, 21912179, 21912185, G02B 510, G02B 518

Patent

active

051384906

ABSTRACT:
The invention is directed to a mirror for changing the geometric shape of a light beam. A two-dimensional intensity distribution substantially independent of the mode structure can be generated by mounting a grating in the optical beam path of the laser beam. The intensity distribution is constant in one direction and, in a direction perpendicular thereto, the intensity can have any preselectable intensity distribution.

REFERENCES:
patent: 3888589 (1975-06-01), Swift
patent: 4302105 (1981-11-01), Sick
patent: 4484334 (1984-11-01), Pressley
patent: 4553017 (1985-11-01), Addleman
patent: 4620230 (1986-10-01), Spiger
patent: 4692583 (1987-09-01), Kimura et al.
patent: 4798446 (1989-01-01), Hettrick

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