A real-time terahertz time-domain polarization analyzer with 80-MHz repetition-rate femtosecond laser pulses

Shinichi Watanabe; Naoya Yasumatsu; Kenichi Oguchi; Masatoshi Takeda; Takeshi Suzuki; Takehiro Tachizaki

doi:10.3390/s130303299

A real-time terahertz time-domain polarization analyzer with 80-MHz repetition-rate femtosecond laser pulses

Shinichi Watanabe, Naoya Yasumatsu, Kenichi Oguchi, Masatoshi Takeda, Takeshi Suzuki, Takehiro Tachizaki

Department of Physics

Research output: Contribution to journal › Article

12 Citations (Scopus)

Abstract

We have developed a real-time terahertz time-domain polarization analyzer by using 80-MHz repetition-rate femtosecond laser pulses. Our technique is based on the spinning electro-optic sensor method, which we recently proposed and demonstrated by using a regenerative amplifier laser system; here we improve the detection scheme in order to be able to use it with a femtosecond laser oscillator with laser pulses of a much higher repetition rate. This improvement brings great advantages for realizing broadband, compact and stable real-time terahertz time-domain polarization measurement systems for scientific and industrial applications.

Original language	English
Pages (from-to)	3299-3312
Number of pages	14
Journal	Sensors (Switzerland)
Volume	13
Issue number	3
DOIs	https://doi.org/10.3390/s130303299
Publication status	Published - 2013 Mar 1

Keywords

Electro-optic sensor
Polarization analysis
Terahertz spectroscopy

ASJC Scopus subject areas

Analytical Chemistry
Biochemistry
Atomic and Molecular Physics, and Optics
Instrumentation
Electrical and Electronic Engineering

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Watanabe, S., Yasumatsu, N., Oguchi, K., Takeda, M., Suzuki, T., & Tachizaki, T. (2013). A real-time terahertz time-domain polarization analyzer with 80-MHz repetition-rate femtosecond laser pulses. Sensors (Switzerland), 13(3), 3299-3312. https://doi.org/10.3390/s130303299

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