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Kyoto Sangyo University, Kyocera, and Photocross collaborate on world-first* ground-based telescope innovations

Shaping the future of earth-based astronomy.

  • Fine Ceramic Components

Kyoto/London − Kyoto Sangyo University established the Koyama Astronomical Observatory in 2010. Based on the concept of "industry-academia collaboration," which is also the university's spiritual pillar, the observatory has been developing cutting-edge astronomical instruments as a "monozukuri" (manufacturing) base, with a focus on collaboration with various companies. Particularly in the development of infrared astronomical instruments, the observatory has led the world in observational research using the high-sensitivity near-infrared high-dispersion spectrograph "WINERED". It is also developing small and lightweight infrared high-dispersion spectrographs that can be mounted on ultra-small satellites.

To realize a reflecting telescope equipped with a large, lightweight Fine Cordierite mirror, a world’s first achievement*, and to develop ceramic reflective optical systems for infrared astronomical observation instruments, Kyoto Sangyo University, Kyocera Corporation (hereafter "Kyocera"), and Photocross, Co., Ltd. (hereafter "Photocross") have reached a comprehensive and detailed agreement. This agreement outlines each party's roles and responsibilities, the project timeline, and the expected outcomes, ensuring a coordinated and effective collaboration.

Main features of the project

1. Upgrading Araki Telescope with ceramic mirror technology
The observatory plans to upgrade the primary mirror of the Araki Telescope, the largest telescope at a private university currently installed in the Koyama Astronomical Observatory, from the existing glass mirror to a lighter ceramic mirror. Kyocera will manufacture the large, aspherical concave mirror (and small aspherical convex mirror) using its Fine Cordierite ceramic material, which is characterized by minimal shape deformation due to ambient temperature changes. Photocross, an optical instrument manufacturer, will be responsible for the precision inspection and measurement of the mirror shape and will develop a holding mechanism for the primary mirror as the three parties continue to take on various challenges.

2. Revolutionizing scientific research through next-generation telescope innovations
The development of next-generation ground-based large telescopes (30 meters in diameter or larger) and infrared observation instruments mounted on space telescopes is set to revolutionize the future of astronomical research. Kyoto Sangyo University, in collaboration with Photocross, is at the forefront of this transformation, working to realize a next-generation infrared high-dispersion spectrograph using Kyocera's Fine Cordierite material for the reflective optical system. This agreement will accelerate technology development and foster human resource development in related fields, paving the way for exciting new discoveries and a brighter future for astronomy.

3. Comprehensive collaboration for mutual development in human resource enhancement
In the future, Kyoto Sangyo University will cooperate with Kyocera and Photocross in reskilling, technology development, and verification at companies through the initiatives of this agreement. In addition, each company will contribute to student education at the university, aiming for the development of all three parties in human resource development.

* As of July 31, 2024, this is the first time a primary and secondary mirror made of Fine Cordierite will be installed in a large ground-based telescope (according to Kyocera’s research).

Kyocera_Araki_telescope_owned_by_Kyoto_Sangyo_University_web.jpg
Araki telescope owned by Kyoto Sangyo University
Kyocera_Fine_Cordierite_primary_mirror_web.jpg
Kyocera's Fine Cordierite primary mirror

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