Toshiyuki Iwamoto | Researchain

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international conference on infrared, millimeter, and terahertz waves | 2010

Terahertz time-domain spectroscopy (THz-TDS) approach to the quality control on pharmaceutical products

Seizi Nishizawa; Yusuke Suzuki; Toshiyuki Iwamoto; Mitsuo Wada Takeda; Masahiko Tani

Terahertz time-domain spectroscopy technique has recently been in progress with advantages over other conventional techniques and with a wide range of industrial applications. One of the latest industrial applications focusing on the quality control on pharmaceutical products will be described.

international conference on infrared, millimeter, and terahertz waves | 2009

A compact versatile THz-TDS instrument with wide spectral wavenumber coverage

Seizi Nishizawa; Toshiyuki Iwamoto; Mitsuo Wada Takeda; Masahiko Tani

A compact THz-TDS instrument has been developed with wide spectral wavenumber coverage applied for versatile measurements (transmission, reflection, liquid, gas, ATR, mapping, temperature and so on) for the far-infrared vibrational spectrometric analyses. We have calculated THz radiation source spectra for different pulse duration of femtosecond laser pulse. The spectra with femtosecond lasers have been similar to those calculated by the pulse duration.

Archive | 2007

Specimen inspecting apparatus, and specimen inspecting method

Munehiko Takata; Minoru Fujita; Kazuhisa Momoi; Kiyotaka Kojima; Shinichi Ito; Seizi Nishizawa; Toshiyuki Iwamoto; Mitsuo Watanabe

Archive | 2009

Optical-path-difference compensation mechanism for acquiring wave from signal of time-domain pulsed spectroscopy apparatus

Seizi Nishizawa; Toshiyuki Iwamoto

Journal of Molecular Structure | 2011

DFT calculation analysis of terahertz time-domain spectra of polyalanines

Koichi Itoh; Atuko Ikeda; Toshiyuki Iwamoto; Seizi Nishizawa

Archive | 2004

Optical path difference compensation mechanism for acquiring wave form signal of time-domain pulsed spectrometer

Seizi Nishizawa; Toshiyuki Iwamoto

international conference on infrared, millimeter, and terahertz waves | 2011

Terahertz time-domain spectroscopy applied to nondestructive evaluation of pharmaceutical products

Seizi Nishizawa; Hayato Morita; Toshiyuki Iwamoto; Mitsuo Wada Takeda; Masahiko Tani

Archive | 2005

Infrared light radiation device, infrared light detection device, time-series conversion pulse spectrometer, and infrared light radiation method

Seizi Nishizawa; Toshiyuki Iwamoto

The Japan Society of Applied Physics | 2017

Characterization of Electrical Properties of InN Epilayer using THz Ellipsometry 2

Kenta Morino; Takashi Fujii; Shinichiro Mouri; Tsutomu Araki; Yasushi Nanishi; Takeshi Nagashima; Toshiyuki Iwamoto; Yukinori Sato

Physica Status Solidi B-basic Solid State Physics | 2017

Measurement of the properties of GaN layers using terahertz time-domain spectroscopic ellipsometry

Kohei Tachi; Shiho Asagami; Takashi Fujii; Tsutomu Araki; Yasushi Nanishi; Takeshi Nagashima; Toshiyuki Iwamoto; Yukinori Sato; Naotake Morita; Ryuichi Sugie; Satoshi Kamiyama

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