Frequency multiplexed optical spatial filter based upon photoche

Details Frequency multiplexed optical spatial filter based upon photoche Frequency multiplexed optical spatial filter based upon photoche

1983-01-31

1985-08-06

Arnold, Bruce Y.

Boots, shoes, and leggings

350320, 364822, G01N 2125, G06G 900

Patent

active

045332118

ABSTRACT:
A frequency multiplexed optical spatial filter is based upon a thin film of a photochemical hole burning material. The filter stores a plurality of images in the photochemical hole burning medium. The images are formed at different optical frequencies and coexist in the same volume of the storage medium. Individual images are accessed by changing the frequency of the illuminating radiation.

REFERENCES:
Introduction to Fourier Optics by J. W. Goodman, McGraw Hill 1968, pp. 141-197.
"Phototropy (or Photochromism)" by Exelby and Grinter, Chem Reviews G5 (2), p. 247, 1965.
"Molecular Structure and Properties of Liquid Crystals" by G. W. Gray, Academic, New York 1962.
Phys. Rev. Lett. 42, pp. 788-791 (1979), "Photochemical and Population Hole Burning in the Zero-Phonon Line of a Color Center-F.sub.3.sup.+ in NaF" by Macfarlane et al.
Appl. Phys. 25 p. 87 (1981), "Thin Film Aggregate Color Centers as Media for Frequency Domain Optical Storage" by Ortiz, et al.

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