Photostability of lasers based on pyrromethene 567 in liquid and solid-state host media

Mohammad Ahmad; Terence A. King; Do Kyeong Ko; Byung Heon Cha; Jongmin Lee

doi:10.1016/S0030-4018(02)01179-3

Photostability of lasers based on pyrromethene 567 in liquid and solid-state host media

Mohammad Ahmad, Terence A. King, Do Kyeong Ko, Byung Heon Cha, Jongmin Lee

Research output: Contribution to journal › Article

53 Citations (Scopus)

Abstract

The photostability of the laser dye pyrromethene P567 in various liquid and solid samples has been measured by determining the longevity of laser operation when pumped by the second harmonic of a Q-switched Nd:YAG laser. A large improvement in photostability for pyrromethene was found in deoxygenated non-polar solvents, with a normalised photostability value of 1000 GJ/mol compared to deoxygenated polar solvents (100 GJ/mol). A high photostability has been observed in a heptane-1,4-dioxane azeotrope mixture and improvements observed in systems incorporating triplet quenching agents. Doped solid polymer samples showed an increased photostability up to 200 GJ/mol for the pyrromethene laser dye when samples were modified with triplet quenchers.

Original language	English
Pages (from-to)	327-334
Number of pages	8
Journal	Optics Communications
Volume	203
Issue number	3-6
DOIs	https://doi.org/10.1016/S0030-4018(02)01179-3
Publication status	Published - Mar 15 2002
Externally published	Yes

Keywords

Dye lasers
Laser materials
Photostability
Polymers
Pyrromethene
Single oxygen
Solvent
Triplet state

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

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Ahmad, M., King, T. A., Ko, D. K., Heon Cha, B., & Lee, J. (2002). Photostability of lasers based on pyrromethene 567 in liquid and solid-state host media. Optics Communications, 203(3-6), 327-334. https://doi.org/10.1016/S0030-4018(02)01179-3

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abstract = "The photostability of the laser dye pyrromethene P567 in various liquid and solid samples has been measured by determining the longevity of laser operation when pumped by the second harmonic of a Q-switched Nd:YAG laser. A large improvement in photostability for pyrromethene was found in deoxygenated non-polar solvents, with a normalised photostability value of 1000 GJ/mol compared to deoxygenated polar solvents (100 GJ/mol). A high photostability has been observed in a heptane-1,4-dioxane azeotrope mixture and improvements observed in systems incorporating triplet quenching agents. Doped solid polymer samples showed an increased photostability up to 200 GJ/mol for the pyrromethene laser dye when samples were modified with triplet quenchers.",

keywords = "Dye lasers, Laser materials, Photostability, Polymers, Pyrromethene, Single oxygen, Solvent, Triplet state",

author = "Mohammad Ahmad and King, {Terence A.} and Ko, {Do Kyeong} and {Heon Cha}, Byung and Jongmin Lee",

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AU - Ahmad, Mohammad

AU - King, Terence A.

AU - Ko, Do Kyeong

AU - Heon Cha, Byung

AU - Lee, Jongmin

PY - 2002/3/15

Y1 - 2002/3/15

N2 - The photostability of the laser dye pyrromethene P567 in various liquid and solid samples has been measured by determining the longevity of laser operation when pumped by the second harmonic of a Q-switched Nd:YAG laser. A large improvement in photostability for pyrromethene was found in deoxygenated non-polar solvents, with a normalised photostability value of 1000 GJ/mol compared to deoxygenated polar solvents (100 GJ/mol). A high photostability has been observed in a heptane-1,4-dioxane azeotrope mixture and improvements observed in systems incorporating triplet quenching agents. Doped solid polymer samples showed an increased photostability up to 200 GJ/mol for the pyrromethene laser dye when samples were modified with triplet quenchers.

AB - The photostability of the laser dye pyrromethene P567 in various liquid and solid samples has been measured by determining the longevity of laser operation when pumped by the second harmonic of a Q-switched Nd:YAG laser. A large improvement in photostability for pyrromethene was found in deoxygenated non-polar solvents, with a normalised photostability value of 1000 GJ/mol compared to deoxygenated polar solvents (100 GJ/mol). A high photostability has been observed in a heptane-1,4-dioxane azeotrope mixture and improvements observed in systems incorporating triplet quenching agents. Doped solid polymer samples showed an increased photostability up to 200 GJ/mol for the pyrromethene laser dye when samples were modified with triplet quenchers.

KW - Dye lasers

KW - Laser materials

KW - Photostability

KW - Polymers

KW - Pyrromethene

KW - Single oxygen

KW - Solvent

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