A Fabry--Pérot Etalon with an Ultralow Expansion Ceramic Spacer
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概要
- 論文の詳細を見る
We have developed a Fabry--Pérot etalon with an ultralow expansion ceramic spacer and investigated the thermal properties of the ceramic. We found that the ceramic cavity has a ``zero crossing temperature'' at room temperature where the thermal expansion coefficient crosses zero. The sensitivity of the thermal expansion coefficient of the ceramic to temperature change is about five times greater than that of ultralow expansion (ULE) glass at around the zero cross temperature. Nevertheless, owing to the high specific rigidity and relatively low thermal expansion at room temperature, the ceramic should be an attractive material for long optical cavities that can reduce the effect of the thermal noise relatively.
- 2013-03-25
著者
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Hong Feng-lei
National Institute Of Advanced Industrial Science And Technology (aist) Aist Tsukuba Central 3
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Onae Atsushi
National Metrology Institute Of Japan
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Inaba Hajime
National Metrology Institute Of Japan (nmij) National Institute Of Advanced Industrial Science And T
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Yasuda Masami
National Metrology Institute Of Japan (nmij) National Institute Of Advanced Industrial Science And T
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Hosaka Kazumoto
National Institute Fbr Fusion Science
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Hosaka Kazumoto
National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8563, Japan
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AKAMATSU Daisuke
National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST)
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Sugawara Jun
Ceramics Division, Krosaki Harima Corporation, Kitakyushu 806-8586, Japan
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