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In 2004 Vanderbilt University announced the design and construction of a 1635 sq. ft. class 10000-cleanroom facility to support the research mission of the Vanderbilt Institute of Nanoscale Science and Engineering (VINSE). By design we have brought together disparate technologies and researchers formerly dispersed across the campus, and across middle Tennessee, to work together in a contiguous space...
A diaphragm-type optical fiber pressure sensor, which has a sleeve for fiber insertion, is proposed, and its fundamental characteristics are demonstrated. The sleeve structure is fabricated by deep reactive ion etching (DRIE). The diaphragm with the sleeve is suitable for highly reliable and easy bonding between the sleeve and an optical fiber. The light intensity change by a Fabry-Perot interferometer...
A multimode fiber-loop ring-down spectroscopy combined with a fiber mode converter for strain measurement is presented. The bending loss theory in multimode fibers is used for the explanation of strain induced ring down cavity loss mechanism, which agrees well with the experimental results. With this technique, strain measurement is achieved in a time domain by measuring the ring-down time. The strain...
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