Coherent optical image amplification by an injection-locked dye amplifier at 632.8 nm
- 1 November 1979
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 35 (9) , 660-663
- https://doi.org/10.1063/1.91246
Abstract
Coherent amplification of images illuminated by the 632.8‐nm radiation of He‐Ne has been successfully demonstrated using a two‐stage injection‐locked pulsed dye amplifier technique. A gain of three times has been measured using Cresyl Violet 620 and Rhodamine B in ethanol, while maintaining signal bandwidth, relative phase, and direction, over a one‐quarter μs pulse duration. A space bandwidth product of 500 000 was obtained by incorporation of the image amplifier into an optical image processing system.Keywords
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