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

Research output: Contribution to journalArticle

11 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 languageEnglish
Pages (from-to)3299-3312
Number of pages14
JournalSensors (Switzerland)
Volume13
Issue number3
DOIs
Publication statusPublished - 2013 Mar

Fingerprint

Ultrashort pulses
repetition
analyzers
Lasers
Polarization
Light amplifiers
polarization
Electrooptical effects
pulses
Industrial applications
lasers
Laser pulses
Sensors
metal spinning
electro-optics
amplifiers
oscillators
broadband
sensors

Keywords

  • Electro-optic sensor
  • Polarization analysis
  • Terahertz spectroscopy

ASJC Scopus subject areas

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

Cite this

A real-time terahertz time-domain polarization analyzer with 80-MHz repetition-rate femtosecond laser pulses. / Watanabe, Shinichi; Yasumatsu, Naoya; Oguchi, Kenichi; Takeda, Masatoshi; Suzuki, Takeshi; Tachizaki, Takehiro.

In: Sensors (Switzerland), Vol. 13, No. 3, 03.2013, p. 3299-3312.

Research output: Contribution to journalArticle

Watanabe, Shinichi ; Yasumatsu, Naoya ; Oguchi, Kenichi ; Takeda, Masatoshi ; Suzuki, Takeshi ; Tachizaki, Takehiro. / A real-time terahertz time-domain polarization analyzer with 80-MHz repetition-rate femtosecond laser pulses. In: Sensors (Switzerland). 2013 ; Vol. 13, No. 3. pp. 3299-3312.
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