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Using a fiber stretcher as a fast phase modulator in a continuous wave terahertz spectrometer |
JOSA B, Vol. 29, Issue 4, pp. 614-620 (2012)
http://dx.doi.org/10.1364/JOSAB.29.000614
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Abstract
Continuous wave terahertz spectroscopy based on photomixing offers the attractive feature of detecting both amplitude and phase of the terahertz radiation. Experimentally, it is challenging to achieve sufficient accuracy at a high data acquisition rate. We use two fiber stretchers as fast phase modulators in a symmetric setup. Compared to a mechanical delay stage, the fiber stretchers are rather fast (
© 2012 Optical Society of America
OCIS Codes
(060.5060) Fiber optics and optical communications : Phase modulation
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(300.6495) Spectroscopy : Spectroscopy, teraherz
ToC Category:
Spectroscopy
History
Original Manuscript: December 6, 2011
Manuscript Accepted: January 17, 2012
Published: March 16, 2012
Citation
Axel Roggenbuck, Komalavalli Thirunavukkuarasu, Holger Schmitz, Jennifer Marx, Anselm Deninger, Ivan Cámara Mayorga, Rolf Güsten, Joachim Hemberger, and Markus Grüninger, "Using a fiber stretcher as a fast phase modulator in a continuous wave terahertz spectrometer," J. Opt. Soc. Am. B 29, 614-620 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-4-614
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