Dual amplified spontaneous emission in some amino-coumarins

P. K. Palanisamy

doi:10.1117/12.2315990

1 September 1996 Dual amplified spontaneous emission in some amino-coumarins

P. K. Palanisamy

Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 27788D (1996) https://doi.org/10.1117/12.2315990
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of

Abstract

The dual frequency Amplified Spontaneous Emission (ASE) bands observed in certain aminocoumarin dyes under nitrogen laser excitation were explained as due to the planar and the twisted intra molecular charge transfer (TILT) con- formations of the dye in the excited state. This paper presents a study of small signal laser gain of aminocoumarins with different substitutions in a variety of organic sol- vents.

Citation Download Citation

P. K. Palanisamy "Dual amplified spontaneous emission in some amino-coumarins", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 27788D (1 September 1996); https://doi.org/10.1117/12.2315990

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