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Temperature insensitive fiber interferometry
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DOI：10.1364/OL.44.002768.png)
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We show for the first time, to the best of our knowledge, the interference pattern of a Mach-Zehnder interferometer to be fully insensitive to temperature. This is achieved using silica glass made hollow core fiber and operating it at the temperature of -71 degrees C, which is very close to the temperature at which the thermal expansion of silica glass crosses zero. Our results highlight for the first time an alternative to bulky and difficult-to-align, ultra-low-expansion glass-based optical cavities for metrology and sensing. Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License.
Keyword:
HOLLOW-CORE
PHASE
SENSITIVITY
NOISE
AIR
期刊
IF:
3.3
论文数:
4.0W
被引数:
7.6W
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引用论文
Ultralow thermal sensitivity of phase and propagation delay in hollow core optical fibres.png)
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