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 journalArticle

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 languageEnglish
Pages (from-to)327-334
Number of pages8
JournalOptics Communications
Volume203
Issue number3-6
DOIs
Publication statusPublished - Mar 15 2002
Externally publishedYes

Fingerprint

Dye lasers
solid state
Azeotropes
Heptanes
dye lasers
Lasers
Liquids
Heptane
liquids
azeotropes
lasers
Quenching
Polymers
Q switched lasers
heptanes
YAG lasers
quenching
harmonics
polymers
pyrromethene 567

Keywords

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

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Photostability of lasers based on pyrromethene 567 in liquid and solid-state host media. / Ahmad, Mohammad; King, Terence A.; Ko, Do Kyeong; Heon Cha, Byung; Lee, Jongmin.

In: Optics Communications, Vol. 203, No. 3-6, 15.03.2002, p. 327-334.

Research output: Contribution to journalArticle

Ahmad, Mohammad ; King, Terence A. ; Ko, Do Kyeong ; Heon Cha, Byung ; Lee, Jongmin. / Photostability of lasers based on pyrromethene 567 in liquid and solid-state host media. In: Optics Communications. 2002 ; Vol. 203, No. 3-6. pp. 327-334.
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