Prof. Takashi Ichikawa Profile

Prof. Takashi Ichikawa

at Tohoku Univ

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Author

Publications (19)

Proceedings Article | 9 August 2016 Paper

An optical design of the wide-field imaging and multi-object spectrograph for an Antarctic infrared telescope

Takashi Ichikawa, Tomokazu Obata

Proceedings Volume 9908, 99083J (2016) https://doi.org/10.1117/12.2230486

KEYWORDS: Exoplanets, Astronomical imaging, Infrared telescopes, Cameras, Spectrographs, Cameras, Telescopes, Spectroscopy, Mirrors, Earth's atmosphere, Collimators

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Proceedings Article | 8 August 2016 Paper

A control system of a mini survey facility for photometric monitoring

Hironori Tsutsui, Kenshi Yanagisawa, Hideyuki Izumiura, Yasuhiro Shimizu, Takumi Hanaue, Yoshifusa Ita, Takashi Ichikawa, Takahiro Komiyama

Proceedings Volume 9906, 990663 (2016) https://doi.org/10.1117/12.2233534

KEYWORDS: Stars, Cameras, Control systems, Sensors, Infrared cameras, Telescopes, Infrared telescopes, Switches, Domes, Computer programming

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Proceedings Article | 6 August 2010 Paper

Antarctic Infra-Red Telescope with a 40cm primary mirror (AIRT40): development and improvement

Hirofumi Okita, Takashi Ichikawa, Tomohiro Yoshikawa, Ramsey Lundock, Kentaro Kurita

Proceedings Volume 7733, 77331U (2010) https://doi.org/10.1117/12.856576

KEYWORDS: Telescopes, Mirrors, Astronomy, Current controlled current source, Atmospheric turbulence, Spatial resolution, Domes, Optical tracking, Venus

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Proceedings Article | 10 July 2008 Paper

A 40-cm infrared telescope in Antarctica

Chihiro Murata, Takashi Ichikawa, Ramsey Guy Lundock, Yuichiro Taniguchi, Hirohumi Okita

Proceedings Volume 7012, 701229 (2008) https://doi.org/10.1117/12.787527

KEYWORDS: Telescopes, Space telescopes, Astronomy, Domes, Mirrors, Wind energy, Aluminum, Cameras, Control systems, Sensors

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Proceedings Article | 9 July 2008 Paper

AIR-C: Antarctic infra-red camera

Ramsey Lundock, Takashi Ichikawa

Proceedings Volume 7014, 70142O (2008) https://doi.org/10.1117/12.786509

KEYWORDS: Telescopes, Space telescopes, Sensors, Cameras, Venus, Mirrors, Lenses, Cryogenics, Collimators, Glasses

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Proceedings Article | 9 July 2008 Paper

Cryogenic VPH grisms for MOIRCS

Takashi Ichikawa, Kotaro Ichiyama, Noboru Ebizuka, Chihiro Murata, Yuichiro Taniguchi, Tsutomu Okura, Masakazu Harashima, Yuka Katsuno Uchimoto, Miyoko Maruyama, Masanori Iye, Kazuhiro Shimasaku

Proceedings Volume 7014, 70141S (2008) https://doi.org/10.1117/12.788051

KEYWORDS: Cryogenics, Astronomy, Temperature metrology, Spectral resolution, Prisms, Spectrographs, Infrared radiation, Telescopes, Glasses, Galactic astronomy

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Proceedings Article | 6 July 2006 Paper

Novel immersion grating, VPH grating, and quasi-Bragg grating

Noboru Ebizuka, Keiko Oka, Akiko Yamada, Masako Kashiwagi, Kashiko Kodate, Koji Kawabata, Mariko Uehara, Chie Nagashima, Kotaro Ichiyama, Takashi Ichikawa, Tomoyuki Shimizu, Shinya Morita, Yutaka Yamagata, Hitoshi Omori, Hitoshi Tokoro, Yasuhiro Hirahara, Shuji Sato, Masanori Iye

Proceedings Volume 6273, 62732G (2006) https://doi.org/10.1117/12.671100

KEYWORDS: Diffraction gratings, Spectrographs, Prisms, Diffraction, Telescopes, Space telescopes, Reflection, Mirrors, Spectral resolution, Astronomy

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Proceedings Article | 28 June 2006 Paper

MOIRCS: multi-object infrared camera and spectrograph for SUBARU

Takashi Ichikawa, Ryuji Suzuki, Chihiro Tokoku, Yuka Katsuno Uchimoto, Masahiro Konishi, Tomohiro Yoshikawa, Toru Yamada, Ichi Tanaka, Koji Omata, Tetsuo Nishimura

Proceedings Volume 6269, 626916 (2006) https://doi.org/10.1117/12.670078

KEYWORDS: Sensors, Telescopes, Digital signal processing, Optical benches, Imaging spectroscopy, Stars, Astronomical imaging, Molybdenum, Control systems, Spectroscopy

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Proceedings Article | 28 June 2006 Paper

Infrared multi-object spectrograph of MOIRCS

Chihiro Tokoku, Ryuji Suzuki, Koji Omata, Masahiro Konishi, Tomohiro Yoshikawa, Masayuki Akiyama, Ichi Tanaka, Takashi Ichikawa, Tetsuo Nishimura

Proceedings Volume 6269, 62694N (2006) https://doi.org/10.1117/12.672418

KEYWORDS: Molybdenum, Stars, Telescopes, Sensors, Cryogenics, K band, Astronomical imaging, Spectroscopy, Spectrographs, Thermal effects

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Proceedings Article | 27 June 2006 Paper

Application of SQL database to the control system of MOIRCS

Tomohiro Yoshikawa, Koji Omata, Masahiro Konishi, Takashi Ichikawa, Ryuji Suzuki, Chihiro Tokoku, Yuka Katsuno Uchimoto, Tetsuo Nishimura

Proceedings Volume 6274, 62740Y (2006) https://doi.org/10.1117/12.670957

KEYWORDS: Databases, Control systems, Sensors, Data communications, Telescopes, Process control, Imaging spectroscopy, Telecommunications, Human-machine interfaces, Spectroscopes

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Proceedings Article | 7 March 2003 Paper

Tohoku University focal plane array controller (TOUFPAC)

Takashi Ichikawa, Daigo Matsumoto, Kenshi Yanagisawa, Yuka Katsuno, Ryuji Suzuki, Chihiro Tokoku, Ken'ichiro Asai, Tetsuo Nishimura

Proceedings Volume 4841, (2003) https://doi.org/10.1117/12.459864

KEYWORDS: Digital signal processing, Staring arrays, Clocks, Electronics, Control systems, Data conversion, Control systems design, Astronomy, Signal processing, Optical isolators

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Proceedings Article | 7 March 2003 Paper

Optical design of MOIRCS

Ryuji Suzuki, Chihiro Tokoku, Takashi Ichikawa, Tetsuo Nishimura

Proceedings Volume 4841, (2003) https://doi.org/10.1117/12.461446

KEYWORDS: Chromatic aberrations, Optical design, Collimators, Telescopes, Mirrors, Cameras, Lens design, Tolerancing, Sensors, Silica

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Proceedings Article | 7 March 2003 Paper

MOIRCS: muti-object infrared camera and spectrograph for the Subaru Telescope

Chihiro Tokoku, Ryuji Suzuki, Takashi Ichikawa, Ken'ichiro Asai, Yuka Katsuno, Koji Omata, Toru Yamada, Atsuo Sasaki, Tetsuo Nishimura

Proceedings Volume 4841, (2003) https://doi.org/10.1117/12.461911

KEYWORDS: Imaging spectroscopy, Sensors, Astronomical imaging, Spectroscopy, Cryogenics, Telescopes, Control systems, Spectrographs, Astronomy, K band

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Proceedings Article | 7 March 2003 Paper

Performance of HAWAII-2 FPAs for multi-object infrared camera and spectrograph

Yuka Katsuno, Takashi Ichikawa, Ken'ichiro Asai, Ryuji Suzuki, Chihiro Tokoku, Tetsuo Nishimura

Proceedings Volume 4841, (2003) https://doi.org/10.1117/12.461919

KEYWORDS: Astronomical imaging, Clocks, Spectrographs, Staring arrays, Control systems, Digital signal processing, Infrared cameras, Mercury cadmium telluride, Astronomy, Cameras

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Proceedings Article | 18 December 2002 Paper

Application of HAWAII-2 FPAs for an astronomical wide-field imager and multi-object spectrograph

Yuka Katsuno, Takashi Ichikawa, Daigo Matsumoto, Ken'ichiro Asai, Ryuji Suzuki, Chihiro Tokoku, Kenshi Yanagisawa, Tetsuo Nishimura

Proceedings Volume 4818, (2002) https://doi.org/10.1117/12.451042

KEYWORDS: Digital signal processing, Astronomy, Astronomical imaging, Control systems, Staring arrays, Electronics, Clocks, Spectrographs, Observatories, Mercury cadmium telluride

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Proceedings Article | 21 August 1998 Paper

Mosaic near-infrared focal plane array

Takashi Ichikawa, Nobunari Itoh, Kenshi Yanagisawa, Ken'ichiro Asai, Tadashi Shiraishi, Masafumi Kimata

Proceedings Volume 3354, (1998) https://doi.org/10.1117/12.317314

KEYWORDS: Cameras, Staring arrays, Observatories, Astronomy, Surface finishing, Telescopes, Polishing, CCD cameras, Ceramics, Infrared technology

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Proceedings Article | 27 June 1996 Paper

Astronomical wide-field imaging with the Mitsubishi PtSi 1040x1040 CSD

Takashi Ichikawa, Kenshi Yanagisawa, Nobunari Itoh

Proceedings Volume 2744, (1996) https://doi.org/10.1117/12.243454

KEYWORDS: Astronomy, Cameras, Galactic astronomy, Telescopes, Near infrared, Stars, Observatories, Astronomical imaging, Sensors, Mercury cadmium telluride

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Proceedings Article | 27 June 1996 Paper

Evaluation of the 1040x1040 PtSi CSD for astronomical use

Kenshi Yanagisawa, Nobunari Itoh, Takashi Ichikawa

Proceedings Volume 2744, (1996) https://doi.org/10.1117/12.243453

KEYWORDS: Stars, Astronomy, Observatories, Quantum efficiency, Sensors, Image sensors, Cameras, Galactic astronomy, Short wave infrared radiation, Infrared imaging

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Proceedings Article | 8 September 1995 Paper

Kiso observatory near-infrared camera with a large format array

Nobunari Itoh, Kenshi Yanagisawa, Takashi Ichikawa, Kenichi Tarusawa, Hirokazu Kataza

Proceedings Volume 2552, (1995) https://doi.org/10.1117/12.218243

KEYWORDS: Cameras, Telescopes, Astronomy, Observatories, Near infrared, Galactic astronomy, Head, Infrared cameras, Sensors, Thermal effects

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Showing 5 of 19 publications

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