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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 28, Iss. 4 — Apr. 1, 2011
  • pp: 592–595

Terahertz spectrometer operation by laser repetition frequency tuning

Rafal Wilk, Thomas Hochrein, Martin Koch, Michael Mei, and Ronald Holzwarth  »View Author Affiliations


JOSA B, Vol. 28, Issue 4, pp. 592-595 (2011)
http://dx.doi.org/10.1364/JOSAB.28.000592


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Abstract

We present a fully fiber-coupled terahertz time domain spectrometer based on a single ultrafast laser with an adjustable pulse repetition frequency that does not employ an external delay line. Our approach represents a major improvement over other schemes that either employ external movable delay lines or alternatively asynchronous optical sampling schemes that also do not need an external delay stage, but employ two lasers instead. The scanning range of our spectrometer covers the full temporal delay between two adjacent pulses of 4 ns . This allows for a fully fiber-coupled system, enabling unprecedented robustness and ease of use.

© 2011 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons
(070.4550) Fourier optics and signal processing : Correlators
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(320.7100) Ultrafast optics : Ultrafast measurements

ToC Category:
Spectroscopy

History
Original Manuscript: October 27, 2010
Revised Manuscript: January 5, 2011
Manuscript Accepted: January 14, 2011
Published: March 2, 2011

Citation
Rafal Wilk, Thomas Hochrein, Martin Koch, Michael Mei, and Ronald Holzwarth, "Terahertz spectrometer operation by laser repetition frequency tuning," J. Opt. Soc. Am. B 28, 592-595 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-4-592

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