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2013 | 124 | 3 | 538-541
Article title

Transmission Spectra of Materials in the Terahertz Range Measured by a Hot Electron Bolometer-Based System

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EN
Abstracts
EN
This paper presents an optical system for transmission spectral measurements in the terahertz range. The source of radiation is a tunable solid-state laser, which generates a narrow-band nanosecond pulses in the range 0.67-2.68 THz and based on optical parametric oscillator phenomenon. The signal is detected with a fast and sensitive hot electron bolometer. Principle of generation and detection of pulses as well as methodology of measuring spectral characteristics are presented. We compared the results obtained with the free-space setup, which is based on the optical parametric oscillator and hot electron bolometer, with a purged time domain spectroscopy system in the range of 0.7-2.2 THz.
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Contributors
author
  • Military University of Technology, S. Kaliskiego 2, 00-908 Warszawa, Poland
  • Military University of Technology, S. Kaliskiego 2, 00-908 Warszawa, Poland
author
  • Military University of Technology, S. Kaliskiego 2, 00-908 Warszawa, Poland
  • Warsaw University of Technology, Koszykowa 75, 00-662 Warszawa, Poland
author
  • Warsaw University of Technology, Koszykowa 75, 00-662 Warszawa, Poland
  • Military University of Technology, S. Kaliskiego 2, 00-908 Warszawa, Poland
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv124n341kz
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