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Proceedings Paper

Phase-Conjugate Interferometry Using Degenerate Four-Wave Mixing And Holography
Author(s): Kazuo Nakagawa; Nirofumi Fujiwara
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Paper Abstract

An erythrosin-doped polyvinyl alcohol (PVA) film can generate phase-conjugate (PC) waves simultaneously by degenerate four-wave mixing (DFWM) process with a fast response time and holographic process with a slow one. The DFWM component with a response time of about 1 msec results from saturable absorption in erythrosin dyes, while the holographic component with a response time of tens sec is generated from a hologram recorded in the erythrosin/ PVA film. The PC reflectivities for both components exceed one percent. In combination of these two processes, we demonstrate that the erythrosin/PVA film is available for real-time and double exposure PC interferometries with a cw argonion laser.

Paper Details

Date Published: 16 January 1989
PDF: 5 pages
Proc. SPIE 0954, Optical Testing and Metrology II, (16 January 1989); doi: 10.1117/12.947566
Show Author Affiliations
Kazuo Nakagawa, Muroran Institute of Technology (Japan)
Nirofumi Fujiwara, Muroran Institute of Technology (Japan)

Published in SPIE Proceedings Vol. 0954:
Optical Testing and Metrology II
Chander Prakash Grover, Editor(s)

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