发明名称 |
Perturbation approach to resonance shift of whispering gallery modes in a dielectric microsphere as a probe of a surrounding medium |
摘要 |
A first-order perturbation theory similar to the one widely used in quantum mechanics is developed for transverse-electric and transverse-magnetic photonic resonance modes in a dielectric microsphere. General formulas for the resonance frequency shifts in response to a small change in the exterior refractive index and its radial profile are derived. The formulas are applied to two sensor applications of the microsphere to probe the medium in which the sphere is immersed: a refractive index detector; and a refractive index profile sensor.
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申请公布号 |
US2004238744(A1) |
申请公布日期 |
2004.12.02 |
申请号 |
US20040758248 |
申请日期 |
2004.01.15 |
申请人 |
ARNOLD STEPHEN;TERAOKA IWAO;VOLLMER FRANK |
发明人 |
ARNOLD STEPHEN;TERAOKA IWAO;VOLLMER FRANK |
分类号 |
G01N21/41;(IPC1-7):G01N21/41 |
主分类号 |
G01N21/41 |
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