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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: G. I. Stegeman
  • Vol. 23, Iss. 6 — Jun. 1, 2006
  • pp: 1181–1189

CHAPS: a new precision laser-spectroscopic technique

Mitsuhiko Kono, Kenneth G. H. Baldwin, Yabai He, Richard T. White, and Brian J. Orr  »View Author Affiliations


JOSA B, Vol. 23, Issue 6, pp. 1181-1189 (2006)
http://dx.doi.org/10.1364/JOSAB.23.001181


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Abstract

We present a new technique for high-resolution pulsed spectroscopy that employs optical heterodyne detection to determine the instantaneous frequency of individual optical pulses, together with a frequency-binning method to generate high-precision spectra. We further demonstrate that active tuning of the light source is not necessary if the inherent frequency jitter of the source spans the spectral region of interest. This heterodyne-assisted approach to coherent pulsed spectroscopy (CHAPS) is applied in real time by using output from a pulsed, injection-seeded optical parametric oscillator–amplifier (OPO–OPA) system, the optical bandwidth of which is characterized via two-photon excitation of the 6 S 8 S transition in cesium. The resulting sub-Doppler measurements demonstrate the utility of CHAPS as a high-resolution spectroscopic technique and confirm that the pulsed OPO–OPA system operates very close to the Fourier-transform limit.

© 2006 Optical Society of America

OCIS Codes
(020.4180) Atomic and molecular physics : Multiphoton processes
(040.2840) Detectors : Heterodyne
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(230.4320) Optical devices : Nonlinear optical devices
(300.3700) Spectroscopy : Linewidth
(300.6320) Spectroscopy : Spectroscopy, high-resolution
(300.6410) Spectroscopy : Spectroscopy, multiphoton

ToC Category:
Spectroscopy

History
Original Manuscript: October 21, 2005
Manuscript Accepted: December 1, 2005

Citation
Mitsuhiko Kono, Kenneth G. H. Baldwin, Yabai He, Richard T. White, and Brian J. Orr, "CHAPS: a new precision laser-spectroscopic technique," J. Opt. Soc. Am. B 23, 1181-1189 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-6-1181

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