Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Yi-Da Hsieh"'
Autor:
Takeo Minamikawa, Yi-Da Hsieh, Kyuki Shibuya, Eiji Hase, Yoshiki Kaneoka, Sho Okubo, Hajime Inaba, Yasuhiro Mizutani, Hirotsugu Yamamoto, Tetsuo Iwata, Takeshi Yasui
Publikováno v:
Nature Communications, Vol 8, Iss 1, Pp 1-8 (2017)
Spectroscopic ellipsometry is an established technique to characterize the optical properties of a material. Here, Minamikawa et al. combine the method with dual-comb spectroscopy, which allows them to obtain ellipsometric parameters including the ph
Externí odkaz:
https://doaj.org/article/7fcd52efe6c74660aeab3f177ff0c8ad
Autor:
Takeo Minamikawa, Takeshi Yasui, Francis Hindle, Tetsuo Iwata, Yasuhiro Mizutani, Hiroto Kimura, Hirotsugu Yamamoto, Kenta Hayashi, Kaoru Minoshima, Yi-Da Hsieh, Hajime Inaba
Publikováno v:
Journal of Infrared, Millimeter, and Terahertz Waves. 37:903-915
A terahertz (THz) frequency synthesizer based on photomixing of two near-infrared lasers with a sub-THz to THz frequency offset is a powerful tool for spectroscopy of polar gas molecules due to its broad spectral coverage; however, its frequency accu
Autor:
Takeshi Yasui, Hirotsugu Yamamoto, Tetsuo Iwata, Takeo Minamikawa, Yasuhiro Mizutani, Yi-Da Hsieh, Dahi Ghareab Abdelsalam, Kenta Hayashi, Tatsuya Mizuguchi
Publikováno v:
Journal of Infrared, Millimeter, and Terahertz Waves. 37:473-485
A practical method for the absolute frequency measurement of continuous-wave terahertz (CW-THz) radiation uses a photocarrier terahertz frequency comb (PC-THz comb) because of its ability to realize real-time, precise measurement without the need for
Autor:
Yi-Da Hsieh1, Yuki Iyonaga1, Yoshiyuki Sakaguchi1, Shuko Yokoyama1,2, Hajime Inaba3,4, Kaoru Minoshima4,5, Hindle, Francis6, Tsutomu Araki1, Takeshi Yasui1,4,7 yasui.takeshi@tokushima-u.ac.jp
Publikováno v:
Scientific Reports. 1/24/2014, p1-7. 7p.
Autor:
Takeshi Yasui, Yoshinori Takahashi, Masashi Yoshimura, Hajime Inaba, Shuko Yokoyama, Francis Hindle, Yusuke Mori, Tsutomu Araki, Yi-Da Hsieh, Kaoru Minoshima, Yuki Iyonaga, Yoshiyuki Sakaguchi
Publikováno v:
IEEE Transactions on Terahertz Science and Technology. 3:322-330
The fine-structured spectrum of a terahertz (THz) frequency comb has been observed using asynchronous-optical-sampling THz time-domain spectroscopy with an extended time window covering multiple THz pulses. Fourier transformation of 10 consecutive TH
Autor:
Takeo Minamikawa, Francis Hindle, Shota Nakamura, Takeshi Yasui, Yi-Da Hsieh, Dahi Ghareab Abdelsalam, Tetsuo Iwata, Yasuhiro Mizutani, Hirotsugu Yamamoto
Publikováno v:
Scientific Reports
Terahertz (THz) spectroscopy is a promising method for analysing polar gas molecules mixed with unwanted aerosols due to its ability to obtain spectral fingerprints of rotational transition and immunity to aerosol scattering. In this article, dynamic
Publikováno v:
High-Speed Biomedical Imaging and Spectroscopy: Toward Big Data Instrumentation and Management.
Optical frequency comb (OFC) has attracted attentions for optical frequency metrology in visible and infrared regions because the mode-resolved OFC spectrum can be used as a precise frequency ruler due to both characteristics of broadband radiation a
Autor:
Takeshi Yasui, Tetsuo Iwata, Hajime Inaba, Yi-Da Hsieh, Yasuhiro Mizutani, Kyuki Shibuya, Sho Okubo, Yoshiki Kaneoka, Takeo Minamikawa
Publikováno v:
Scopus-Elsevier
We proposed spectroscopic ellipsometry employing dual-optical-comb spectroscopy. We demonstrated the ellipsometric evaluation of a high-order quarter waveplate and a SiO 2 thin film standard with the spectral resolution of 48 MHz.
Autor:
Takeshi Yasui, Hirotsugu Yamamoto, Tetsuo Iwata, Shuji Miyamoto, Ryuji Ichikawa, Eiji Hase, Yasuhiro Mizutani, Takeo Minamikawa, Yi-Da Hsieh
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics. 25(1):6801408
Confocal laser microscopy (CLM) is a powerful tool in life science research and industrial inspection, and its image acquisition rate is boosted by scan-less imaging techniques. However, the optical-intensity-based image contrast in CLM makes it diff
Autor:
Yi-Da Hsieh, Takeshi Yasui, Tatsuya Mizuguchi, Kaoru Minoshima, Takuma Matsumoto, Hajime Inaba, Ryuichi Ichikawa
Publikováno v:
2015 11th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR).
Terahertz (THz) dual comb spectroscopy (DCS) is a promising method for high-accuracy, high-resolution, broadband THz spectroscopy. In this paper, we have demonstrated adaptive-sampling THz-DCS, allowing the use of unstabilized dual femtosecond lasers