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Conferences > QELS > 1991 > QThA > QThA7
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1991),
  • paper QThA7

Observation of polarization-dependent spectral holes in an organic thin film

V S. Williams, J. P. Sokoloff, Z. Z. Ho, C. Arbour, N. R. Armstrong, and N. Peyghambarian

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Abstract

Using time-resolved pump-probe spectroscopy, we have studied room-temperature spectral hole burning in an organic fluoroaluminum phthalocyanine (FA1Pc) polycrystalline thin film. The spectral hole is observable only when the pump and probe polarizations are parallel. The sublimed, ≈0.2-μm-thick FA1Pc thin film consists of phthalocyanine rings containing delocalized, conjugated π-electron systems The resulting thin-film Q-band absorbance spectrum is shown by the dashed line in Fig. 1.

© 1991 Optical Society of America

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