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Reference number 6161   (Listed in Jun 08, 2012) (Categories Mechanics / Aeronautics and Cosmology)
Development of fine optical elements for infrared astronomical instruments
Contents Development of fine optical elements needed for infrared astronomical instruments is carried out. For an example, a slice mirror unit that has several mirrors of a width of 200 micron in steps will be developed and optical measurements of its performance will be performed. Similar technology can also be applied for the fabrication of diffraction gratings. The substrate will be aluminum alloy for mirrors, while other materials, germanium, will be used for gratings.
We are looking forward to contact from companies that are interested in these researches.
ONAKA,Takashi, Professor
Graduate School of Science, Department of Astronomy


Test slice mirror unit

Small slice mirrors are made on the top of the cone.
(C) ONAKA,Takashi
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