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Conferences > FiO > 2015 > JTu4A > JTu4A.44

pH Sensing Using a Silica Toroid Microcavity

Misako Kobayashi, Jiro Nishimura, and Takasumi Tanabe

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Abstract

We demonstrate pH sensing by using a silica toroid microcavity coated with 20-PAA/PAH multilayers, with a sensitivity of 0.14 pH. We also demonstrated the packaging of a tapered fiber and a microcavity in a liquid channel.

© 2015 Optical Society of America

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