TY - GEN
T1 - Nanostructured sapphire optical fiber for evanescent-field sensing
AU - Chen, Hui
AU - Tian, Fei
AU - Kanka, Jiri
AU - Du, Henry
N1 - Publisher Copyright:
© OSA 2015.
PY - 2015
Y1 - 2015
N2 - We report an innovative and scalable strategy of transforming a commercial unclad sapphire optical fiber to an all-alumina nanostructured sapphire optical fiber (NSOF). The strategy entails fiber coating with metal aluminum followed by anodization to form alumina cladding of highly organized pore channel structure. We experimentally demonstrated Ag nanoparticles (NPs)-enabled NSOF for SERS sensing of 10-6 M Rhodamine 6G (R6G) after thermal treatment at 500 °C for 6 hours. We numerically show that AAO cladding significantly increases the evanescent-field overlap, lower porosity of AAO results in higher evanescent-field overlap.
AB - We report an innovative and scalable strategy of transforming a commercial unclad sapphire optical fiber to an all-alumina nanostructured sapphire optical fiber (NSOF). The strategy entails fiber coating with metal aluminum followed by anodization to form alumina cladding of highly organized pore channel structure. We experimentally demonstrated Ag nanoparticles (NPs)-enabled NSOF for SERS sensing of 10-6 M Rhodamine 6G (R6G) after thermal treatment at 500 °C for 6 hours. We numerically show that AAO cladding significantly increases the evanescent-field overlap, lower porosity of AAO results in higher evanescent-field overlap.
UR - http://www.scopus.com/inward/record.url?scp=85088058988&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85088058988&partnerID=8YFLogxK
U2 - 10.1364/fio.2015.fth3e.2
DO - 10.1364/fio.2015.fth3e.2
M3 - Conference contribution
AN - SCOPUS:85088058988
T3 - Proceedings of Frontiers in Optics 2015, FIO 2015
BT - Proceedings of Frontiers in Optics 2015, FIO 2015
T2 - Frontiers in Optics 2015, FIO 2015
Y2 - 18 October 2015 through 22 October 2015
ER -