Laser apodizing filter

Details Laser apodizing filter Laser apodizing filter

1982-02-08

1984-09-04

Arnold, Bruce Y.

350448, 350 37, 35016217, G02B 522

Patent

active

044694075

ABSTRACT:
A laser beam apodizing filter comprising a print-out silver image comprised of silver grains having a diameter of about 0.5 .mu.m or less, said image being proportional in density distribution to the intensity distribution of the laser beam cross-section. Also disclosed is a method for forming the filter and a laser diffraction imaging apparatus, for making diffraction gratings, which employs the filter.

REFERENCES:
patent: 3700314 (1972-10-01), Busby, Jr.
patent: 4094575 (1978-06-01), Kellie
Smith, Modern Optical Engineering, p. 323, McGraw-Hill, N.Y., 1966.
Rhodes, Patrick, W. et al., "Refractive Optical Systems for Irradiance Redistribution of Collimated Radiation: Their Design and Analysis" Applied Optics, vol. 19, No. 20, pp. 3545-3553.
Lee, Wai-Hon, "Method for Converting a Gaussian Laser Beam into a Uniform Beam", Optics Communications, vol. 36, No. 6, pp. 469-471.
Quintanilla, M. et al., "Holographic Filter that Transforms a Gaussian into a Uniform Beam".

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