Dr. Kentaro Asano Profile

Dr. Kentaro Asano

at Univ of Denver

SPIE Involvement:

Author

Publications (22)

Proceedings Article | 6 July 2018 Paper

Paper

Laboratory performance evaluation of the mid-infrared camera and spectrograph MIMIZUKU for the TAO 6.5-m telescope

Takafumi Kamizuka, Masahito Uchiyama, Jumpei Yamaguchi, Tomohiro Mori, Ryou Ohsawa, Yutaka Yoshida, Shigeyuki Sako, Takashi Miyata, Kentaro Asano, Mizuho Uchiyama, Itsuki Sakon, Takashi Onaka, Hirokazu Kataza, Tsutomu Aoki, Mamoru Doi, Bunyo Hatsukade, Natsuko Kato, Kotaro Kohno, Masahiro Konishi, Takeo Minezaki, Tomoki Morokuma, Kentaro Motohara, Takao Soyano, Hidenori Takahashi, Toshihiko Tanabe, Masuo Tanaka, Ken'ichi Tarusawa, Yoichi Tamura, Shintaro Koshida, Yasunori Terao, Hirofumi Ohashi, Yukihiro Kono, Kosuke Kushibiki, Yuzuru Yoshii

Proceedings Volume 10702, 107022H (2018) https://doi.org/10.1117/12.2312443

KEYWORDS: Sensors, Mid-IR, Astronomy, Cameras, Spectrographs, Quantum efficiency, Spectroscopy

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Proceedings Article | 9 August 2016 Paper

Paper

A method for reducing atmospheric noise without chopping for ground-based mid-infrared observations

Tomohiko Nakamura, Takashi Miyata, Shigeyuki Sako, Takafumi Kamizuka, Kentaro Asano, Mizuho Uchiyama, Kazushi Okada

Proceedings Volume 9908, 99082U (2016) https://doi.org/10.1117/12.2231996

KEYWORDS: Mid-IR, Atmospheric turbulence, Superposition, Telescopes, Sensors, Image processing, Switching, Photometry, Astronomy, Image quality

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Proceedings Article | 9 August 2016 Paper

Paper

Development status of the mid-infrared two-field camera and spectrograph MIMIZUKU for the TAO 6.5-m Telescope

Takafumi Kamizuka, Takashi Miyata, Shigeyuki Sako, Ryou Ohsawa, Kazushi Okada, Masahito Uchiyama, Kiyoshi Mori, Jumpei Yamaguchi, Kentaro Asano, Mizuho Uchiyama, Itsuki Sakon, Takashi Onaka, Hirokazu Kataza, Sunao Hasegawa, Fumihiko Usui, Naruhisa Takato, Tsutomu Aoki, Mamoru Doi, Natsuko Kato, Yutaro Kitagawa, Yutaka Kobayakawa, Kotaro Kohno, Masahiro Konishi, Takeo Minezaki, Tomoki Morokuma, Kentaro Motohara, Hirofumi Ohashi, Takao Soyano, Hidenori Takahashi, Yoichi Tamura, Toshihiko Tanabé, Masuo Tanaka, Ken'ichi Tarusawa, Yasunori Terao, Yuzuru Yoshii

Proceedings Volume 9908, 99083W (2016) https://doi.org/10.1117/12.2231565

KEYWORDS: Sensors, Mid-IR, Telescopes, Cryogenics, Near infrared, Mirrors, Spectroscopy, Space telescopes, Calibration, Point spread functions

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Proceedings Article | 9 August 2016 Paper

Paper

NIR camera and spectrograph SWIMS for TAO 6.5m telescope: overview and development status

Kentaro Motohara, Masahiro Konishi, Hidenori Takahashi, Natsuko Kato, Yutaro Kitagawa, Yutaka Kobayakawa, Yasunori Terao, Hirofumi Ohashi, Tsutomu Aoki, Mamoru Doi, Takafumi Kamizuka, Kotaro Kohno, Takeo Minezaki, Takashi Miyata, Tomoki Morokuma, Kiyoshi Mori, Ryou Ohsawa, Kazushi Okada, Shigeyuki Sako, Takao Soyano, Yoichi Tamura, Toshihiko Tanabe, Masuo Tanaka, Ken'ichi Tarusawa, Masahito Uchiyama, Shintaro Koshida, Kentaro Asano, Ken Tateuchi, Mizhuo Uchiyama, Soya Todo, Yuzuru Yoshii

Proceedings Volume 9908, 99083U (2016) https://doi.org/10.1117/12.2231386

KEYWORDS: Telescopes, Near infrared, Astronomical imaging, Spectrographs, Infrared telescopes, Cameras, Sensors, Space telescopes, Observatories, Collimators

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Proceedings Article | 29 July 2016 Paper

Paper

Array controller system with cryogenic pre-amplifiers for MIMIZUKU

K. Okada, S. Sako, T. Miyata, T. Kamizuka, R. Ohsawa, M. Uchiyama, K. Mori, J. Yamaguchi, K. Asano

Proceedings Volume 9915, 991527 (2016) https://doi.org/10.1117/12.2232532

KEYWORDS: Control systems, Cryogenics, Gallium arsenide, Field effect transistors, Amplifiers, Capacitance, Staring arrays, Silicon, Optical amplifiers, Readout integrated circuits

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Proceedings Article | 29 July 2016 Paper

Paper

SPICA Mid-infrared Instrument (SMI): technical concepts and scientific capabilities

Hidehiro Kaneda, Daisuke Ishihara, Shinki Oyabu, Mitsuyoshi Yamagishi, Takehiko Wada, Mitsunobu Kawada, Naoki Isobe, Kentaroh Asano, Toyoaki Suzuki, Takao Nakagawa, Hideo Matsuhara, Itsuki Sakon, Kohji Tsumura, Hiroshi Shibai, Taro Matsuo

Proceedings Volume 9904, 99042I (2016) https://doi.org/10.1117/12.2232442

KEYWORDS: Spectroscopy, Telescopes, Spectroscopes, Mid-IR, Mirrors, Lawrencium, Sensors, Spectral resolution, Galactic astronomy, Cameras

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Proceedings Article | 22 July 2016 Paper

Paper

Development of an optical device (Field Stacker) for achieving accurate photometry in ground-based mid-infrared observations

Masahito Uchiyama, Takashi Miyata, Takafumi Kamizuka, Shigeyuki Sako, Ryou Ohsawa, Kazushi Okada, Kiyoshi Mori, Jumpei Yamaguchi, Kentaro Asano, Mizuho Uchiyama

Proceedings Volume 9912, 99125N (2016) https://doi.org/10.1117/12.2231283

KEYWORDS: Infrared radiation, Mid-IR, Transmittance, Mirrors, Telescopes, Optical components, Photometry, Stars, Astronomy, Space telescopes

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Proceedings Article | 28 July 2014 Paper

Paper

Development of high-throughput silicon lens and grism with moth-eye anti-reflection structure

Takafumi Kamizuka, Takashi Miyata, Shigeyuki Sako, Hiroaki Imada, Ryou Ohsawa, Kentaro Asano, Mizuho Uchiyama, Kazushi Okada, Masahito Uchiyama, Takehiko Wada, Takao Nakagawa, Tomohiko Nakamura, Itsuki Sakon, Takashi Onaka

Proceedings Volume 9151, 91515G (2014) https://doi.org/10.1117/12.2055756

KEYWORDS: Antireflective coatings, Silicon, Coating, Transmittance, Mid-IR, Signal detection, Imaging systems, Astronomy, Cryogenics, Lithography

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Proceedings Article | 24 July 2014 Paper

Paper

Development of a simultaneous two-color near-infrared multi-object spectrograph SWIMS for the TAO 6.5-m telescope

Kentaro Motohara, Masahiro Konishi, Hidenori Takahashi, Ken Tateuchi, Yutaro Kitagawa, Soya Todo, Natsuko Kato, Ryou Ohsawa, Tsutomu Aoki, Kentaro Asano, Mamoru Doi, Takafumi Kamizuka, Kimiaki Kawara, Kotaro Kohno, Shintaro Koshida, Takeo Minezaki, Takashi Miyata, Tomoki Morokuma, Kazushi Okada, Shigeyuki Sako, Takao Soyano, Yoichi Tamura, Toshihiko Tanabe, Masuo Tanaka, Ken'ichi Tarusawa, Mizuho Uchiyama, Yuzuru Yoshii

Proceedings Volume 9147, 91476K (2014) https://doi.org/10.1117/12.2054861

KEYWORDS: Telescopes, Imaging spectroscopy, Astronomical imaging, Human-machine interfaces, Infrared telescopes, Sensors, Optical filters, Spectrographs, Collimators, Silica

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Proceedings Article | 18 July 2014 Paper

Paper

Restraint deformation and corrosion protection of gold deposited aluminum mirrors for cold optics of mid-infrared instruments

Mizuho Uchiyama, Takashi Miyata, Shigeyuki Sako, Takafumi Kamizuka, Tomohiko Nakamura, Kentaro Asano, Kazushi Okada, Takashi Onaka, Itsuki Sakon, Hirokazu Kataza, Yuki Sarugaku, Okiharu Kirino, Hiroyuki Nakagawa, Norio Okada, Kenji Mitsui

Proceedings Volume 9151, 915143 (2014) https://doi.org/10.1117/12.2054917

KEYWORDS: Mirrors, Aluminum, Corrosion, Gold, Mid-IR, Temperature metrology, Reflectivity, Photovoltaics, Coating, Astronomy

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Proceedings Article | 8 July 2014 Paper

Paper

Revised specifications and current development status of MIMIZUKU: the mid-infrared instrument for the TAO 6.5-m telescope

Takafumi Kamizuka, Takashi Miyata, Shigeyuki Sako, Ryou Ohsawa, Kentaro Asano, Mizuho Uchiyama, Kazushi Okada, Masahito Uchiyama, Tomohiko Nakamura, Itsuki Sakon, Takashi Onaka, Hirokazu Kataza, Tsutomu Aoki, Mamoru Doi, Natsuko Kato, Kimiaki Kawara, Yutaro Kitagawa, Kotaro Kohno, Masahiro Konishi, Shintaro Koshida, Takeo Minezaki, Tomoki Morokuma, Kentaro Motohara, Takao Soyano, Hidenori Takahashi, Yoichi Tamura, Toshihiko Tanabé, Masuo Tanaka, Ken'ichi Tarusawa, Ken Tateuchi, Soya Todo, Yuzuru Yoshii

Proceedings Volume 9147, 91473C (2014) https://doi.org/10.1117/12.2056184

KEYWORDS: Telescopes, Cameras, Mid-IR, Sensors, Mirrors, Near infrared, Spectroscopy, Space telescopes, Stars, Calibration

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Proceedings Article | 24 September 2012 Paper

Paper

Development of a new calibration method for ground-based Paschen-alpha imaging data

Ken Tateuchi, Kentaro Motohara, Masahiro Konishi, Hidenori Takahashi, Natsuko Kato, Ryou Ohsawa, Kitagawa Yutaro, Yuzuru Yoshii, Mamoru Doi, Toshihiro Handa, Kotaro Kohno, Kimiaki Kawara, Masuo Tanaka, Takashi Miyata, Takeo Minezaki, Shigeyuki Sako, Toshihiko Tanabe, Tomoki Morokuma, Yoichi Tamura, Tsutomu Aoki, Takao Soyano, Ken'ichi Tarusawa, Shintaro Koshida, Takafumi Kamizuka, Tomohiko Nakamura, Kentaro Asano, Mizuho Uchiyama

Proceedings Volume 8446, 84467D (2012) https://doi.org/10.1117/12.924263

KEYWORDS: Absorption, Transmittance, Atmospheric modeling, Galactic astronomy, Calibration, Protactinium, Infrared radiation, Near infrared, Cameras, Telescopes

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Proceedings Article | 24 September 2012 Paper

Paper

Perfomance verification of the ground-based mid-infrared camera MAX38 on the MiniTAO Telescope

Kentaro Asano, Takashi Miyata, Shigeyuki Sako, Takafumi Kamizuka, Tomohiko Nakamura, Mizuho Uchiyama, Mizuki Yoneda, Hirokazu Kataza, Yuzuru Yoshii, Mamoru Doi, Kotaro Kohno, Kimiaki Kawara, Masuo Tanaka, Kentaro Motohara, Toshihiko Tanabe, Takeo Minezaki, Tomoki Morokuma, Yoichi Tamura, Tsutomu Aoki, Takao Soyano, Ken'ichi Tarusawa, Natsuko Kato, Masahiro Konishi, Shintaro Koshida, Hidenori Takahashi, Toshihiro Handa, Ken Tateuchi

Proceedings Volume 8446, 844634 (2012) https://doi.org/10.1117/12.925590

KEYWORDS: Stars, Telescopes, Mid-IR, Astronomy, Spatial resolution, Point spread functions, Cameras, Diffraction, Asteroids, Space telescopes

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Proceedings Article | 24 September 2012 Paper

Paper

Development of MIMIZUKU: a mid-infrared multi-field imager for 6.5-m TAO telescope

Takafumi Kamizuka, Takashi Miyata, Shigeyuki Sako, Tomohiko Nakamura, Kentaro Asano, Mizuho Uchiyama, Kazushi Okada, Takashi Onaka, Itsuki Sakon, Hirokazu Kataza, Yuki Sarugaku, Yuzuru Yoshii, Mamoru Doi, Kotaro Kohno, Kimiaki Kawara, Masuo Tanaka, Kentaro Motohara, Toshihiko Tanabe, Takeo Minezaki, Tomoki Morokuma, Yoichi Tamura, Tsutomu Aoki, Takao Soyano, Ken'ichi Tarusawa, Natsuko Kato, Masahiro Konishi, Hidenori Takahashi, Shintaro Koshida, Ken Tateuchi, Toshihiro Handa

Proceedings Volume 8446, 84466P (2012) https://doi.org/10.1117/12.926771

KEYWORDS: Mirrors, Sensors, Telescopes, Near infrared, Imaging systems, Mid-IR, Cryogenics, Astronomy, Spectroscopy, Space telescopes

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Proceedings Article | 21 September 2012 Paper

Paper

SPICA coronagraph instrument: characterization of atmospheres and physical parameters of giant planets by direct imaging and spectroscopy

T. Kotani, K. Enya, T. Nakagawa, H. Matsuhara, H. Kataza, M. Kawada, M. Mita, K. Komatsu, H. Uchida, K. Fujiwara, S. Mitani, S. Sakai, K. Haze, H. Kaneda, S. Oyabu, D. Ishihara, T. Miyata, S. Sako, T. Nakamura, K. Asano, M. Tamura, J. Nishikawa, T. Yamashita, N. Narita, H. Hayano, S. Oya, E. Kokubo, Y. Itoh, T. Matsuo, M. Fukagawa, H. Shibai, M. Honda, N. Baba, N. Murakami, Y. Okamoto, S. Ida, M. Takami, L. Abe, O. Guyon, T. Yamamuro

Proceedings Volume 8442, 84420F (2012) https://doi.org/10.1117/12.925832

KEYWORDS: Coronagraphy, Imaging spectroscopy, Planets, Stars, Exoplanets, Point spread functions, Spectroscopy, Spectroscopes, Telescopes, Binary data

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Proceedings Article | 17 September 2012 Paper

Paper

Evaluations of new atmospheric windows at thirty micron wavelengths for astronomy

Takashi Miyata, Shigeyuki Sako, Takafumi Kamizuka, Tomohiko Nakamura, Kentaro Asano, Mizuho Uchiyama, Masahiro Konishi, Mizuki Yoneda, Naruhisa Takato, Yuzuru Yoshii, Mamoru Doi, Kotaro Kohno, Kimiaki Kawara, Masuo Tanaka, Kentaro Motohara, Takeo Minezaki, Toshihiko Tanabe, Tomoki Morokuma, Yoichi Tamura, Tsutomu Aoki, Takao Soyano, Ken'ichi Tarusawa, Hidenori Takahashi, Shintaro Koshida, Natsuko Kato

Proceedings Volume 8444, 84446B (2012) https://doi.org/10.1117/12.925258

KEYWORDS: Transmittance, Astronomy, Telescopes, Stars, Atmospheric modeling, Mid-IR, Liquids, Optical filters, Cameras, Sensors

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Proceedings Article | 13 September 2012 Paper

Paper

Developing metal coated mesh filters for mid-infrared astronomy

Shigeyuki Sako, Takashi Miyata, Takafumi Kamizuka, Tomohiko Nakamura, Kentaro Asano, Mizuho Uchiyama, Takashi Onaka, Itsuki Sakon, Takehiko Wada

Proceedings Volume 8450, 84503V (2012) https://doi.org/10.1117/12.925768

KEYWORDS: Optical filters, Metals, Gold, Astronomy, Silicon carbide, Mid-IR, Temperature metrology, Finite-difference time-domain method, Semiconducting wafers, Bandpass filters

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Proceedings Article | 13 September 2012 Paper

Paper

Development of high-throughput silicon lens and grism with moth-eye antireflection structure for mid-infrared astronomy

Takafumi Kamizuka, Takashi Miyata, Shigeyuki Sako, Hiroaki Imada, Tomohiko Nakamura, Kentaro Asano, Mizuho Uchiyama, Kazushi Okada, Takehiko Wada, Takao Nakagawa, Takashi Onaka, Itsuki Sakon

Proceedings Volume 8450, 845051 (2012) https://doi.org/10.1117/12.926858

KEYWORDS: Antireflective coatings, Silicon, Coating, Photomasks, Transmittance, Semiconducting wafers, Astronomy, Refractive index, Mid-IR, Optical components

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Proceedings Article | 13 September 2012 Paper

Paper

Fabrication and tolerances of moth-eye structures for perfect antireflection in the mid-infrared wavelength region

Hiroaki Imada, Takashi Miyata, Shigeyuki Sako, Takafumi Kamizuka, Tomohiko Nakamura, Kentaro Asano, Mizuho Uchiyama, Kazushi Okada, Takehiko Wada, Takao Nakagawa, Takashi Onaka, Itsuki Sakon

Proceedings Volume 8450, 84502F (2012) https://doi.org/10.1117/12.925762

KEYWORDS: Antireflective coatings, Transmittance, Silicon, Mid-IR, Refractive index, Tolerancing, Astronomy, Scanning electron microscopy, Absorption, Solids

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Proceedings Article | 21 July 2010 Paper

Paper

MiniTAO/MAX38 first light: 30-micron band observations from the ground-based telescope

Tomohiko Nakamura, Takashi Miyata, Shigeyuki Sako, Kentaro Asano, Mizuho Uchiyama, Toshihiko Tanabe, Mizuki Yoneda, Yoshifusa Ita, Takashi Onaka, Hirokazu Kataza, Tsutomu Aoki, Mamoru Doi, Toshihiro Handa, Daisuke Kato, Kimiaki Kawara, Kotaro Kohno, Masahiro Konishi, Shintaro Koshida, Takeo Minezaki, Natsuko Mitani, Kentaro Motohara, Ryo Ohsawa, Takao Soyano, Masuo Tanaka, Ken'ichi Tarusawa, Koji Toshikawa, Yuzuru Yoshii

Proceedings Volume 7735, 773561 (2010) https://doi.org/10.1117/12.856228

KEYWORDS: Telescopes, Space telescopes, Transmittance, Mid-IR, Astronomy, Ferroelectric materials, Astronomical telescopes, Sensors, Spectroscopy, Optical filtering

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Proceedings Article | 20 July 2010 Paper

Paper

Development of a new mid-infrared instrument for the TAO 6.5-m Telescope

Takashi Miyata, Shigeyuki Sako, Tomohiko Nakamura, Kentaro Asano, Mizuho Uchiyama, Takashi Onaka, Itsuki Sakon, Hirokazu Kataza, Yoshifusa Ita, Tsutomu Aoki, Mamoru Doi, Toshihiro Handa, Daisuke Kato, Kimiaki Kawara, Kotaro Kohno, Masahiro Konishi, Shintaro Koshida, Takeo Minezaki, Natsuko Mitani, Kentaro Motohara, Takao Soyano, Toshihiko Tanabe, Masuo Tanaka, Ken'ichi Tarusawa, Yuzuru Yoshii

Proceedings Volume 7735, 77353P (2010) https://doi.org/10.1117/12.856744

KEYWORDS: Mid-IR, Telescopes, Space telescopes, Cameras, Sensors, Mirrors, Spatial resolution, Astronomy, Photometry, Stars

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Proceedings Article | 20 July 2010 Paper

Paper

First Paschen alpha imaging from the ground: the first light of Atacama Near-Infrared Camera on the miniTAO 1m telescope

Kentaro Motohara, Masahiro Konishi, Koji Toshikawa, Natsuko Mitani, Shigeyuki Sako, Yuka Uchimoto, Tomoyasu Yamamuro, Takeo Minezaki, Toshihiko Tanabe, Takashi Miyata, Shintaro Koshida, Daisuke Kato, Ryo Ohsawa, Tomohiko Nakamura, Kentaro Asano, Yuzuru Yoshii, Mamoru Doi, Kotaro Kohno, Masuo Tanaka, Kimiaki Kawara, Toshihiro Handa, Tsutomu Aoki, Takao Soyano, Ken'ichi Tarusawa, Yoshifusa Ita

Proceedings Volume 7735, 77353K (2010) https://doi.org/10.1117/12.856102

KEYWORDS: Telescopes, Protactinium, Transmittance, Near infrared, Cameras, Mirrors, Optical filters, Space telescopes, Astronomy, Device simulation

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Showing 5 of 22 publications

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