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Optical phase-conjugation in erioglaucine dye-doped thin film
T Geethakrishnan P K Palanisamy
Volume 66 Issue 2 February 2006 pp 473-478
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https://www.ias.ac.in/article/fulltext/pram/066/02/0473-0478 -
Keywords
Optical phase-conjugation ;laser-induced gratings ;dye-doped thin films ;four-wave mixing -
Abstract
Optical phase-conjugation (OPC) has been demonstrated in erioglaucine (acid blue 9) dye-doped gelatin films via continuous-wave degenerate four-wave mixing (DFWM) using a low-power He-Ne laser at 633 nm. DFWM and holographic processes are found to contribute to the observed phase-conjugate signal. A maximum phase-conjugate beam reflectivity of about 0.24% has been observed in these dye-doped gelatin films.
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Author Affiliations
T Geethakrishnan1 P K Palanisamy1
- Centre for Laser Technology, Department of Physics, Anna University, Chennai - 600 025, India
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Dates
- Published
- February 2006
- Manuscript received
- 4 August 2005
- Manuscript revised
- 8 November 2005
- Accepted
- 17 December 2005
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Pramana – Journal of Physics
Volume 95, 2021
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