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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 12, Iss. 8 — Aug. 1, 1995
  • pp: 1500–1510

Rapid-scan pump–probe spectroscopy with high time and wave-number resolution: optical-Kerr-effect measurements of neat liquids

M. J. Feldstein, P. Vöhringer, and N. F. Scherer  »View Author Affiliations


JOSA B, Vol. 12, Issue 8, pp. 1500-1510 (1995)
http://dx.doi.org/10.1364/JOSAB.12.001500


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Abstract

A system for the rapid-scan (RS) acquisition of time-resolved nonlinear spectroscopic signals, capable of femtosecond resolution over a range of tens of picoseconds, is presented. Operationally, the system is based on a magnetically driven, commercially available velocity transducer that continuously scans a probe delay line relative to a fixed delay line while data are recorded on the fly and in real time. A simple calibration and data time-scale linearization are carried out and tested on optical-heterodyne-detected optical-Kerr-effect measurements. These results are compared with data acquired with a detection system that is based on a stepped delay-line lock-in amplifier. It is found that the RS system is favorable in several areas of signal acquisition, including signal-to-noise ratio, acquisition time, spectral resolution in the Fourier-transformed data, and immunity to artifacts such as baseline distortions.

© 1995 Optical Society of America

Citation
M. J. Feldstein, P. Vöhringer, and N. F. Scherer, "Rapid-scan pump–probe spectroscopy with high time and wave-number resolution: optical-Kerr-effect measurements of neat liquids," J. Opt. Soc. Am. B 12, 1500-1510 (1995)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-12-8-1500

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