Experimental study of nonlinear absorption in polymethine dye solutions by the z-scan method
Journal Article
·
· Quantum Electronics (Woodbury, N.Y.)
- V.D. Kuznetsov Siberian Physical-Technical Institute, Tomsk (Russian Federation)
The nonlinear absorption coefficients {beta} and the ratios k of absorption cross sections in the ground and excited states are measured by the open-aperture z-scan method for three polymethine dyes excited by nanosecond 532-nm second-harmonic pulses of a Nd:YAG laser. The values of k measured for the 789, 842, and 823 dyes are 10, 11, and 11, respectively, and correlate with the limiting properties of these dyes. (nonlinear optical phenomena)
- OSTI ID:
- 21456834
- Journal Information:
- Quantum Electronics (Woodbury, N.Y.), Journal Name: Quantum Electronics (Woodbury, N.Y.) Journal Issue: 1 Vol. 36; ISSN 1063-7818
- Country of Publication:
- United States
- Language:
- English
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