Dr. Masashi Otsubo Profile

Dr. Masashi Otsubo

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Author

Publications (9)

Proceedings Article | 12 October 2004 Paper

Development of ultra-light-weight mirror with carbon/carbon composites for optical-IR astronomy

Hajime Takeya, Masami Kume, Steven Hahn, Tsuyoshi Ozaki, Naoki Kohara, Masashi Otsubo, Saku Tsuneta

Proceedings Volume 5487, (2004) https://doi.org/10.1117/12.552304

KEYWORDS: Mirrors, Surface finishing, Composites, Carbon, Plating, Photography, Spherical lenses, Polishing, Electroless plating, Astronomy

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Proceedings Article | 12 October 2004 Paper

Image stabilization system on SOLAR-B Solar Optical Telescope

Toshifumi Shimizu, Shin'ichi Nagata, Chris Edwards, Theodore Tarbell, Yasuhiro Kashiwagi, Kazuhide Kodeki, Osamu Ito, Hiroyuki Miyagawa, Masayuki Nagase, Syunsaku Inoue, Kazumasa Kaneko, Yasushi Sakamoto, Kiyoshi Ichimoto, Saku Tsuneta, Shiro Miki, Makoto Endo, Masaki Tabata, Toshitaka Nakaoji, Keiichi Matsuzaki, Ken Kobayashi, Masashi Otsubo, Yoshinori Suematsu, Kazuyoshi Kumagai, Motokazu Noguchi, Tomonori Tamura, Masao Nakagiri

Proceedings Volume 5487, (2004) https://doi.org/10.1117/12.551368

KEYWORDS: Servomechanisms, Mirrors, Control systems, Electronics, Optical telescopes, Space telescopes, Ferroelectric materials, CCD cameras, Telescopes, Sun

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Proceedings Article | 12 October 2004 Paper

Pupil Remapping Coronagraph (PRC): a high-performance coronagraph for a small-size visible Terrestrial Planet Finder

Olivier Guyon, Stephen Ridgway, Claude Aime, Anthony Boccaletti, Jean-Luc Beuzit, Raphael Galicher, Pierre Kern, Takayuki Kotani, Anne-Marie Lagrange, Richard Lyon, Fabien Malbet, Koji Murakawa, Masashi Otsubo, Daniel Rouan, Remi Soummer, Hiroshi Suto, Motohide Tamura, Robert Woodruff

Proceedings Volume 5487, (2004) https://doi.org/10.1117/12.552429

KEYWORDS: Telescopes, Space telescopes, Apodization, Coronagraphy, Point spread functions, Planets, Mirrors, Imaging systems, Stars, Polishing

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Proceedings Article | 12 October 2004 Paper

The Solar Optical Telescope onboard the Solar-B

Kiyoshi Ichimoto, Saku Tsuneta, Yoshinori Suematsu, Toshifumi Shimizu, Masashi Otsubo, Yoshihiro Kato, Motokazu Noguchi, Masao Nakagiri, Tomonori Tamura, Yukio Katsukawa, Masahito Kubo, Yasushi Sakamoto, Hirohisa Hara, Kenji Minesugi, Akira Ohnishi, Hideo Saito, Noboru Kawaguchi, Tadashi Matsushita, Toshitaka Nakaoji, Kazuhiro Nagae, Joji Sakamoto, Yoshihiro Hasuyama, Izumi Mikami, Keizo Miyawaki, Yasushi Sakurai, Nobuaki Kaido, Toshihida Horiuchi, Sadanori Shimada, Toshio Inoue, Masaaki Mitsutake, Norimasa Yoshida, Osamu Takahara, Norihide Takeyama, Masaharu Suzuki, Shunichi Abe

Proceedings Volume 5487, (2004) https://doi.org/10.1117/12.550989

KEYWORDS: Mirrors, Polarization, Space telescopes, Telescopes, Space operations, Optical telescopes, Optical components, Wavefronts, Temperature metrology, Coating

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Proceedings Article | 11 September 1998 Paper

Adaptive optics system for Cassegrain focus of Subaru 8.2-m telescope

Hideki Takami, Naruhisa Takato, Masashi Otsubo, Tomio Kanzawa, Yukiko Kamata, Koji Nakashima, Masanori Iye

Proceedings Volume 3353, (1998) https://doi.org/10.1117/12.321685

KEYWORDS: Adaptive optics, Telescopes, Stars, Wavefront sensors, Control systems, Deformable mirrors, K band, Sensors, Computing systems, Prototyping

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Proceedings Article | 21 March 1997 Paper

Subaru instrumentation plan and optical instruments

Masanori Iye, Hiroyasu Ando, Nobunari Kashikawa, Satoshi Miyazaki, Tetsuo Nishimura, Kunio Noguchi, Masashi Otsubo, Toshiyuki Sasaki, Kazuhiro Sekiguchi, Masaki Sekiguchi, Hideki Takami, Naruhisa Takato, Wataru Tanaka, Sadanori Okamura, Hiroshi Akahori, Masaharu Muramatsu

Proceedings Volume 2871, (1997) https://doi.org/10.1117/12.268991

KEYWORDS: Adaptive optics, Spectrographs, Charge-coupled devices, Cameras, Infrared radiation, Optical components, Telescopes, CCD cameras, Dispersion, Infrared imaging

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Proceedings Article | 21 March 1997 Paper

Subaru Adaptive Optics Program

Hideki Takami, Masanori Iye, Naruhisa Takato, Tomio Kanzawa, Masashi Otsubo, Koji Nakashima

Proceedings Volume 2871, (1997) https://doi.org/10.1117/12.268978

KEYWORDS: Adaptive optics, Stars, Deformable mirrors, Sensors, Mirrors, Wavefront sensors, Telescopes, Prototyping, Computing systems, Control systems

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SPIE Journal Paper | 1 February 1994

Measurement of large plane surface shapes by connecting small-aperture interferograms

Masashi Otsubo, Katsuyuki Okada, Jumpei Tsujiuchi

OE, Vol. 33, Issue 02, (February 1994) https://doi.org/10.1117/12.10.1117/12.152248

KEYWORDS: Interferometers, Phase measurement, Interferometry, Optical components, Cameras, Statistical analysis, Error analysis, CCD cameras, Americium, Matrices

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Proceedings Article | 20 October 1992 Paper

Measurement of large plane surface shape with interferometric aperture synthesis

Masashi Otsubo, Katsuyuki Okada, Jumpei Tsujiuchi

Proceedings Volume 1720, (1992) https://doi.org/10.1117/12.132152

KEYWORDS: Interferometers, Interferometry, Synthetic apertures, Optical testing, Error analysis, Quantum chromodynamics, Phase measurement, Optical components, Optoelectronics, LCDs

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Showing 5 of 9 publications

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