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FEL investigations of energy transfer in condensed phase systems

Publication ,  Journal Article
Henderson, DO; Mu, R; Silberman, E; Johnson, JB; Edwards, GS
Published in: Proceedings of SPIE the International Society for Optical Engineering
December 1, 1993

The vibrational dynamics of O-H groups in fused silica have been examined by a time-resolved pump-probe technique using the Vanderbilt Free Electron Laser (FEL). We consider two effects, local heating and transient thermal lensing, which can influence measured T1 values in one color pump-probe measurements. The dependence of these two effects on both the micropulse spacing and the total number of micropulses delivered to the sample are analyzed in detail for the O-H/SiO2 system. The results indicate that transient thermal lensing can significantly influence the measured probe signal. The local heating may cause thermally induced changes in the ground state population of the absorber, thereby complicating the analysis of the relaxation dynamics.

Duke Scholars

Glenn S. Edwards
Author Glenn S. Edwards Physics

Published In

Proceedings of SPIE the International Society for Optical Engineering

ISSN

0277-786X

Publication Date

December 1, 1993

Volume

1854

Start / End Page

105 / 116

Related Subject Headings

  • 5102 Atomic, molecular and optical physics
  • 4009 Electronics, sensors and digital hardware
  • 4006 Communications engineering
 

Citation

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Henderson, D. O., Mu, R., Silberman, E., Johnson, J. B., & Edwards, G. S. (1993). FEL investigations of energy transfer in condensed phase systems. Proceedings of SPIE the International Society for Optical Engineering, 1854, 105–116.
Henderson, D. O., R. Mu, E. Silberman, J. B. Johnson, and G. S. Edwards. “FEL investigations of energy transfer in condensed phase systems.” Proceedings of SPIE the International Society for Optical Engineering 1854 (December 1, 1993): 105–16.
Henderson DO, Mu R, Silberman E, Johnson JB, Edwards GS. FEL investigations of energy transfer in condensed phase systems. Proceedings of SPIE the International Society for Optical Engineering. 1993 Dec 1;1854:105–16.
Henderson, D. O., et al. “FEL investigations of energy transfer in condensed phase systems.” Proceedings of SPIE the International Society for Optical Engineering, vol. 1854, Dec. 1993, pp. 105–16.
Henderson DO, Mu R, Silberman E, Johnson JB, Edwards GS. FEL investigations of energy transfer in condensed phase systems. Proceedings of SPIE the International Society for Optical Engineering. 1993 Dec 1;1854:105–116.

Published In

Proceedings of SPIE the International Society for Optical Engineering

ISSN

0277-786X

Publication Date

December 1, 1993

Volume

1854

Start / End Page

105 / 116

Related Subject Headings

  • 5102 Atomic, molecular and optical physics
  • 4009 Electronics, sensors and digital hardware
  • 4006 Communications engineering