期刊
OPTICS LETTERS
卷 35, 期 9, 页码 1443-1445出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.35.001443
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资金
- National Science Foundation (NSF) [CMMI-0644681, CMMI-0900564]
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [0900564] Funding Source: National Science Foundation
We present fiber Bragg grating pressure sensors in air-hole microstructured fibers for high-temperature operation above 800 degrees C. An ultrafast laser was used to inscribe Type II grating in two-hole optical fibers. The fiber Bragg grating resonance wavelength shift and peak splits were studied as a function of external hydrostatic pressure from 15 psi to 2000 psi. The grating pressure sensor shows stable and reproducible operation above 800 degrees C. We demonstrate a multiplexible pressure sensor technology for a high-temperature environment using a single fiber and a single-fiber feedthrough. (C) 2010 Optical Society of America
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