High-repetition-rate, narrow-band dye lasers with water as a solvent for dyes

Applied Optics
Alok Kumar RayKamalesh Dasgupta

Abstract

The performance of a copper vapor laser-pumped narrow-band dye laser in oscillator-amplifier configuration with water-based binary mixture solvents is described. Although oscillator efficiency in water-surfactant (sodium lauryl sulfate) solvent was comparable with that that employed pure ethanolic solvent, amplifier efficiency was found to be lower. Experiments that were carried out with vertically polarized pump beams and either horizontally or vertically polarized signal beams show that, in case of both the pump and signal having orthogonal polarization (horizontal) and same polarization (vertical), the extraction efficiency for both ethanolic and water-micelle media increased substantially from 15.7% to 18.5% and from 10% to 12.5%, respectively. However, the relative difference remained nearly the same, indicating that a slower orientational diffusion of excited dye molecules in a micellar medium is not responsible for a decrease in amplifier efficiency. Amplifier efficiency comparable with that containing ethanolic dye solutions could be obtained with a binary solvent that comprises a mixture of water and about 30% n-propanol. The performances of two efficient dyes, Rhodamine-6G and Kiton Red S, using water-based solvents w...Continue Reading

References

May 1, 1984·Applied Optics·F J Duarte, J A Piper
Mar 1, 1986·Talanta·M E Garcia, A Sanz-Medel
Nov 20, 1992·Applied Optics·I L BassP R Hammond

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Citations

Jun 28, 2018·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Raman KhuranaJyotirmayee Mohanty
Dec 16, 2006·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Jyotirmayee MohantyWerner M Nau
Sep 15, 2010·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Jyotirmayee MohantyHaridas Pal

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