Spectroscopy of laser dye oxazine-170 in sol-gel glasses

Raz Gvishi; Renata Reisfeld

doi:10.1016/0022-3093(91)90777-4

Spectroscopy of laser dye oxazine-170 in sol-gel glasses

Raz Gvishi, Renata Reisfeld^*

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Abstract

Oxazine-170 was introduced into glasses obtained by the sol-gel method from methoxysilane. Absorption and emission of the dye were studied as a function of preparation conditions of the glasses. Extinction coefficients and quantum efficiencies of the mono-cationic form of the dye reveal much higher values than the neutral and di-cation forms. Laser threshold for the mono-cationic form in glasses is calculated to be 29 kW/cm² per pulse for 620 nm pumping wavelength and 67 kW/cm² for 578 nm pumping wavelength.

Original language	English
Pages (from-to)	69-76
Number of pages	8
Journal	Journal of Non-Crystalline Solids
Volume	128
Issue number	1
DOIs	https://doi.org/10.1016/0022-3093(91)90777-4
State	Published - 1 Mar 1991

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abstract = "Oxazine-170 was introduced into glasses obtained by the sol-gel method from methoxysilane. Absorption and emission of the dye were studied as a function of preparation conditions of the glasses. Extinction coefficients and quantum efficiencies of the mono-cationic form of the dye reveal much higher values than the neutral and di-cation forms. Laser threshold for the mono-cationic form in glasses is calculated to be 29 kW/cm2 per pulse for 620 nm pumping wavelength and 67 kW/cm2 for 578 nm pumping wavelength.",

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AB - Oxazine-170 was introduced into glasses obtained by the sol-gel method from methoxysilane. Absorption and emission of the dye were studied as a function of preparation conditions of the glasses. Extinction coefficients and quantum efficiencies of the mono-cationic form of the dye reveal much higher values than the neutral and di-cation forms. Laser threshold for the mono-cationic form in glasses is calculated to be 29 kW/cm2 per pulse for 620 nm pumping wavelength and 67 kW/cm2 for 578 nm pumping wavelength.

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Spectroscopy of laser dye oxazine-170 in sol-gel glasses

Abstract

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