Processing and Photostability of Pyrromethene 567 Polycerams

T. Suratwala, Z. Gardlund, K. Davidson, Donald R Uhlmann, S. Bonilla, Nasser N Peyghambarian

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Polyceram materials are attractive hosts for laser dyes because they can have high optical transparencies, high laser damage thresholds, and the ability to tailor optical properties by varying the composition and synthetic routes. Pyrromethene 567 has been successfully incorporated within silica : polydimethylsiloxane (PDMS) Polycerams to obtain polishable, crack-free, transparent monoliths using the sol-gel process. Fluorescence photostability was measured by pumping with a Q-switched, frequency doubled Nd : YAG laser (532 nm) at a pulse rate of 10 Hz. Fluorescence intensity dropped to 50% after approximately 50,000 pulses at a fluence of 0.10 J/cm2. UV degradation studies were performed on Polycerams with different polymer contents, and the absorption photostability is related to the solubility and type of caging of the dye.

Original languageEnglish (US)
Pages (from-to)953-958
Number of pages6
JournalJournal of Sol-Gel Science and Technology
Volume8
Issue number1-3
StatePublished - 1997

Fingerprint

Fluorescence
pulse rate
fluorescence
Laser damage
Dye lasers
laser damage
Polydimethylsiloxane
yield point
sol-gel processes
Processing
dye lasers
Silicon Dioxide
Transparency
Sol-gel process
YAG lasers
Laser pulses
Polymers
fluence
pumping
Coloring Agents

Keywords

  • Laser dyes
  • Photostability
  • Polyceram
  • Pyrromethene-BF complexes
  • Solid-state laser

ASJC Scopus subject areas

  • Ceramics and Composites

Cite this

Processing and Photostability of Pyrromethene 567 Polycerams. / Suratwala, T.; Gardlund, Z.; Davidson, K.; Uhlmann, Donald R; Bonilla, S.; Peyghambarian, Nasser N.

In: Journal of Sol-Gel Science and Technology, Vol. 8, No. 1-3, 1997, p. 953-958.

Research output: Contribution to journalArticle

Suratwala, T, Gardlund, Z, Davidson, K, Uhlmann, DR, Bonilla, S & Peyghambarian, NN 1997, 'Processing and Photostability of Pyrromethene 567 Polycerams', Journal of Sol-Gel Science and Technology, vol. 8, no. 1-3, pp. 953-958.
Suratwala, T. ; Gardlund, Z. ; Davidson, K. ; Uhlmann, Donald R ; Bonilla, S. ; Peyghambarian, Nasser N. / Processing and Photostability of Pyrromethene 567 Polycerams. In: Journal of Sol-Gel Science and Technology. 1997 ; Vol. 8, No. 1-3. pp. 953-958.
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