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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 14 — Jul. 6, 2009
  • pp: 11321–11327

Eliminate coherence spike in reflection-type pump-probe measurements

C. W. Luo, Y. T. Wang, F. W. Chen, H. C. Shih, and T. Kobayashi  »View Author Affiliations


Optics Express, Vol. 17, Issue 14, pp. 11321-11327 (2009)
http://dx.doi.org/10.1364/OE.17.011321


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Abstract

The coherence spike of femtosecond laser pulses in the reflection-type pump-probe measurements has been systematically studied in the semiconductor (100) InP. By varying the setup of the pump-probe measuring system, i.e. the polarizations of pump and probe pulses, the incident angles of pump and probe beams, and the interval of delay time between pump and probe pulses, the dramatic changes in the strength of coherence spike could be clear observed. Furthermore, the proposed methods to remove the coherence spike from the transient reflectivity curves have been demonstrated in the time-domain measurements.

© 2009 Optical Society of America

OCIS Codes
(300.6500) Spectroscopy : Spectroscopy, time-resolved
(320.7100) Ultrafast optics : Ultrafast measurements
(260.7120) Physical optics : Ultrafast phenomena

ToC Category:
Spectroscopy

History
Original Manuscript: April 13, 2009
Revised Manuscript: May 22, 2009
Manuscript Accepted: June 10, 2009
Published: June 22, 2009

Citation
C. W. Luo, Y. T. Wang, F. W. Chen, H. C. Shih, and T. Kobayashi, "Eliminate coherence spike in reflection-type pump-probe measurements," Opt. Express 17, 11321-11327 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-14-11321


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