Ozaki, Shinobu and Miyazaki, Satoshi and Tsuzuki, Toshihiro and Fucik, Jason (2018) Image slicer module for Wide Field Optical Spectrograph (WFOS). In: Ground-based and Airborne Instrumentation for Astronomy VII. Proceedings of SPIE. No.10702. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 107028M. ISBN 9781510619579. http://resolver.caltech.edu/CaltechAUTHORS:20190108-143843606
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Abstract
Wide-Field Optical Spectrograph (WFOS) is an optical multi-object spectrograph and one of the first-light instruments of Thirty Meter Telescope (TMT). The WFOS development team has studied three new instrument concepts. One is a fiber-based spectrograph, and other one is a spectrograph using image slicers (Slicer-WFOS). The last one is the simple multi-slit spectrograph. Japanese WFOS team has conducted conceptual studies on Slicer-WFOS in collaboration with California Institute of Technology. Slicer-WFOS has only one VPH grating for each red and blue arm. The gratings offer R~1,500 for a simple 0.″75-width slit. The image slicer divides an object image into three slices and the higher spectral resolution of R~4,500 can be achieved using the same grating. In this proceeding paper, we report our design studies on the slicer module.
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| Additional Information: | © 2018 Society of Photo-optical Instrumentation Engineers (SPIE). The Authors would like to thank Bernard Delabre for providing the original idea of Flat-mirror design. The TMT Project gratefully acknowledges the support of the TMT collaborating institutions. They are the California Institute of Technology, the University of California, the National Astronomical Observatory of Japan, the National Astronomical Observatories of China and their consortium partners, the Department of Science and Technology of India and their supported institutes, and the National Research Council of Canada. This work was supported as well by the Gordon and Betty Moore Foundation, the Canada Foundation for Innovation, the Ontario Ministry of Research and Innovation, the Natural Sciences and Engineering Research Council of Canada, the British Columbia Knowledge Development Fund, the Association of Canadian Universities for Research in Astronomy (ACURA), the Association of Universities for Research in Astronomy (AURA), the U.S. National Science Foundation, the National Institutes of Natural Sciences of Japan, and the Department of Atomic Energy of India. | ||||||||||||||||||||||||||||||||||
| Group: | Thirty Meter Telescope | ||||||||||||||||||||||||||||||||||
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| Subject Keywords: | Image slicer, Wide Field Optical Spectrograph (WFOS), Thirty Meter Telescope (TMT) | ||||||||||||||||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20190108-143843606 | ||||||||||||||||||||||||||||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20190108-143843606 | ||||||||||||||||||||||||||||||||||
| Official Citation: | Shinobu Ozaki, Satoshi Miyazaki, Toshihiro Tsuzuki, Jason R. Fucik, "Image slicer module for Wide Field Optical Spectrograph (WFOS)," Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 107028M (11 July 2018); doi: 10.1117/12.2309324 | ||||||||||||||||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||||||||||||||
| ID Code: | 92146 | ||||||||||||||||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||||||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||||||||||||||||||||||||
| Deposited On: | 08 Jan 2019 22:49 | ||||||||||||||||||||||||||||||||||
| Last Modified: | 08 Jan 2019 22:49 |
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