期刊
JAPANESE JOURNAL OF APPLIED PHYSICS
卷 52, 期 3, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.7567/JJAP.52.032402
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资金
- MEXT/JSPS through its FIRST Program
- Grants-in-Aid for Scientific Research Program (KAKENHI Grant) [22540415]
- Grants-in-Aid for Scientific Research [22540415] Funding Source: KAKEN
We have developed a Fabry-Perot 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. (c) 2013 The Japan Society of Applied Physics
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