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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 9 — May. 1, 2006
  • pp: 3840–3846

A simple terahertz spectrometer based on a low-reflectivity Fabry-Perot interferometer using Fourier transform spectroscopy

Li-Jin Chen, Tzeng-Fu Kao, Ja-Yu Lu, and Chi-Kuang Sun  »View Author Affiliations


Optics Express, Vol. 14, Issue 9, pp. 3840-3846 (2006)
http://dx.doi.org/10.1364/OE.14.003840


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Abstract

A simple terahertz (THz) Fourier transform spectrometer is theoretically and experimentally demonstrated with a low-reflectivity Fabry-Perot interferometer. Composed with only two parallel low reflectivity surfaces, this simple spectrometer has the ability to measure the spectrum over more than one octave with a controllable resolution. The emission spectra of a wavelength-tunable photonic transmitter excited by an optical coherent control system are determined by the spectrometer. With a simple algorithm for the spectral reconstruction and a compact structure with easy alignment, the demonstrated spectrometer will meet the needs of many important applications where a compact and convenient spectrometer is required in the frequency range from sub-THz wave up to even visible light.

© 2006 Optical Society of America

OCIS Codes
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(300.6300) Spectroscopy : Spectroscopy, Fourier transforms

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: March 1, 2006
Revised Manuscript: April 12, 2006
Manuscript Accepted: April 16, 2006
Published: May 1, 2006

Citation
Li-Jin Chen, Tzeng-Fu Kao, Ja-Yu Lu, and Chi-Kuang Sun, "A simple terahertz spectrometer based on a low-reflectivity Fabry-Perot interferometer using Fourier transform spectroscopy," Opt. Express 14, 3840-3846 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-9-3840


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