A photochromic laser display
- 1 March 1967
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IEEE
- Vol. 55 (3) , 424-425
- https://doi.org/10.1109/proc.1967.5514
Abstract
An enlarged internal laser beam was used to project high-contrast images generated on a photochromic plate positioned within a laser cavity. An opaque image on the plate caused the coherent light passing through it to be diffracted. A flat, oblique apertured mirror reflected this diffracted light out of the cavity onto a screen.Keywords
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