Ms. Hanae Inami Profile

Hanae Inami

Assistant Professor at Hiroshima Univ

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Publications (4)

SPIE Journal Paper | 11 March 2021 Open Access

Mid-infrared spectrometer and camera for the Origins Space Telescope

Itsuki Sakon, Thomas Roellig, Kimberly Ennico-Smith, Taro Matsuo, Yuji Ikeda, Tomoyasu Yamamuro, Keigo Enya, Takehiko Wada, Mitsunobu Kawada, Aoi Takahashi, Yuki Sarugaku, Naofumi Fujishiro, Naoshi Murakami, Jun Nishikawa, Takayuki Kotani, Shohei Goda, Masayuki Ido, Satoshi Itoh, Takahiro Tsuboi, Takahiro Sumi, Masatsugu Kamiura, Takeo Manome, Naoto Iida, Kentaro Yanagibashi, Thomas Greene, Bernardus Helvensteijn, Lynn Hofland, Roy Johnson, Ali Kashani, Emmett Quigley, Robert McMurray, Hanae Inami, Denis Burgarella, the Origins Space Telescope mission concept study team

JATIS, Vol. 7, Issue 01, 011013, (March 2021) https://doi.org/10.1117/12.10.1117/1.JATIS.7.1.011013

KEYWORDS: Sensors, Spectroscopy, Mirrors, Cameras, Mid-IR, Space telescopes, Electronics, Telescopes, Detector arrays, Mercury cadmium telluride

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The mid-infrared spectrometer and camera transit spectrometer (MISC-T) is one of the three baseline instruments for Origins Space Telescope (Origins) and provides the capability to assess the habitability of nearby exoplanets and search for signs of life. MISC-T employs a densified pupil optical design, and HgCdTe and Si:As detector arrays. This optical design allows the instrument to be relatively insensitive to minor line-of-sight pointing drifts and telescope aberrations, and the detectors do not require a sub-Kelvin refrigerator. MISC-T has three science spectral channels that share the same field-of-view by means of beam splitters, and all channels are operated simultaneously to cover the full spectral range from 2.8 to 20 μm at once with exquisite stability and precision (<5 ppm between 2.8 to 11 μm, <20 ppm between 11 and 20 μm). A Lyot-coronagraph-based tip–tilt sensor located in the instrument fore-optics uses the light reflected by a field stop, which corresponds to 0.3% of the light from the target, to send fine pointing information to the field steering mirror in the Origins telescope. An additional MISC Wide Field Imager (WFI) is studied as an upscope option for the Origins. MISC-WFI offers a wide field imaging (3 ′ × 3 ′ ) and low-resolution spectroscopic capability with filters and grating-prisms (grisms) covering 5 to 28 μm. The imaging capability of the MISC-WFI will be used for general science objectives. The low-resolution spectroscopic capability in MISC-WFI with a resolving power R ( = λ / Δλ) of a few hundreds will be used to measure the mid-infrared dust features and ionic lines at z up to ∼1 in the Origins mission’s Rise of Metals and Black Hole Feedback programs. The MISC-WFI also serves as a focal plane pointing and guiding instrument for the observatory, including when the MISC-T channel is performing its exoplanet spectroscopy observations.

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Proceedings Article | 13 December 2020 Poster + Paper

SPICA Mid-infrared Instrument (SMI): The latest design and specifications

Takehiko Wada, Hidehiro Kaneda, Takuma Kokusho, Toyoaki Suzuki, Kumiko Morihana, Takurou Tsuchikawa, Yuki Kuroda, Daichi Ishikawa, Shinki Oyabu, Naoki Isobe, Daisuke Ishihara, Hideo Matsuhara, Koichi Nagase, Takao Nakagawa, Takafumi Ootsubo, Mitsuyoshi Yamagishi, Hiroshi Maeshima, Shunsuke Onishi, Kosei Matsumoto, Satoshi Itoh, Mizuho Uchiyama, Ryan Lau, Hiromichi Ebihara, Hanae Inami, Koji Kawabata, Yasumasa Kasaba, Takeshi Sakanoi, Yoshifusa Ita, Masayuki Akiyama, Itsuki Sakon, Takafumi Kamizuka, Takashi Miyata, Kohji Tsumura, Masato Naruse, Youichi Ohyama, Shiang-Yu Wang, Hiroshi Shibai

Proceedings Volume 11443, 114436G (2020) https://doi.org/10.1117/12.2561157

KEYWORDS: Spectroscopy, Mid-IR, Cameras, Sensors, Galactic astronomy, James Webb Space Telescope, Spectroscopes, Content addressable memory, Prisms, Imaging systems

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Proceedings Article | 12 July 2018 Paper

The key science drivers for MICHI: a thermal-infrared instrument for the TMT

Chris Packham, Mitsuhiko Honda, Mark Chun, Itsuki Sakon, Matthew Richter, Yoshiko Okamoto, Hirokazu Kataza, Christian Marois, Michael Meyer, Manoj Puravankara, Jayne Birkby, Ian Crossfield, Thayne Curry, Thomas Greathouse, Gregory Herczeg, Kohei Ichikawa, Hanae Inami, Masatoshi Imanishi, Enrique Lopez-Rodriguez

Proceedings Volume 10702, 10702A0 (2018) https://doi.org/10.1117/12.2313967

KEYWORDS: Exoplanets, Adaptive optics, Stars, Spectroscopy, Planets, James Webb Space Telescope, Galactic astronomy, Spatial resolution, Astronomy, Imaging systems

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Proceedings Article | 19 July 2008 Paper

A broadband millimeter-wave spectrometer Z-spec: sensitivity and ULIRGs

Hanae Inami, Matt Bradford, James Aguirre, Lieko Earle, Bret Naylor, Hideo Matsuhara, Jason Glenn, Hien Nguyen, James Bock, Jonas Zmuidzinas, Youichi Ohyama

Proceedings Volume 7020, 70201T (2008) https://doi.org/10.1117/12.788711

KEYWORDS: Galactic astronomy, Spectroscopy, Bolometers, Atmospheric optics, Telescopes, Sensors, Signal to noise ratio, Atmospheric sensing, Infrared radiation, Opacity

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