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Design and optimization of liquid core optical ring resonator for refractive index sensing |
Applied Optics, Vol. 50, Issue 20, pp. 3615-3621 (2011)
http://dx.doi.org/10.1364/AO.50.003615
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Abstract
This study performs a detailed theoretical analysis of refractive index (RI) sensors based on whispering gallery modes (WGMs) in liquid core optical ring resonators (LCORRs). Both TE- and TM-polarized WGMs of various orders are considered. The analysis shows that WGMs of higher orders need thicker walls to achieve a near-zero thermal drift, but WGMs of different orders exhibit a similar RI sensing performance at the thermostable wall thicknesses. The RI detection limit is very low at the thermo stable thickness. The theoretical predications should provide a general guidance in the development of LCORR-based thermostable RI sensors.
© 2011 Optical Society of America
OCIS Codes
(130.6010) Integrated optics : Sensors
(140.4780) Lasers and laser optics : Optical resonators
(230.5750) Optical devices : Resonators
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: March 31, 2011
Revised Manuscript: May 28, 2011
Manuscript Accepted: May 28, 2011
Published: July 7, 2011
Citation
Nai Lin, Lan Jiang, Sumei Wang, Hai Xiao, Yongfeng Lu, and Hai-Lung Tsai, "Design and optimization of liquid core optical ring resonator for refractive index sensing," Appl. Opt. 50, 3615-3621 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-20-3615
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