Evanescent wave sensor of sensitivity larger than a free space wave

O. Parriaux; Paul Lambeck; Hugo Hoekstra; G.J. Veldhuis; G. Pandraud

doi:10.1023/A:1007082915894

Evanescent wave sensor of sensitivity larger than a free space wave

O. Parriaux, Paul Lambeck, Hugo Hoekstra, G.J. Veldhuis, G. Pandraud

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Abstract

A ray optic description of evanescent wave sensing allows a homogeneous treatment of the sensitivity of free space and guided wave slab sensors. It is shown in particular that the sensitivity of evanescent wave sensors is generally smaller or much smaller than that of a free space wave traversing the probed medium except in the remarkable case of large contrast slab waveguides propagating a restricted number of TM modes where the sensitivity can exceed that of a free space wave.

Original language	Undefined
Pages (from-to)	909-921
Journal	Optical and quantum electronics
Volume	32
Issue number	6-8
DOIs	https://doi.org/10.1023/A:1007082915894
Publication status	Published - 2000

Keywords

METIS-112084
IR-100096

Access to Document

10.1023/A:1007082915894

Cite this

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abstract = "A ray optic description of evanescent wave sensing allows a homogeneous treatment of the sensitivity of free space and guided wave slab sensors. It is shown in particular that the sensitivity of evanescent wave sensors is generally smaller or much smaller than that of a free space wave traversing the probed medium except in the remarkable case of large contrast slab waveguides propagating a restricted number of TM modes where the sensitivity can exceed that of a free space wave.",

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T1 - Evanescent wave sensor of sensitivity larger than a free space wave

AU - Parriaux, O.

AU - Lambeck, Paul

AU - Hoekstra, Hugo

AU - Veldhuis, G.J.

AU - Pandraud, G.

PY - 2000

Y1 - 2000

N2 - A ray optic description of evanescent wave sensing allows a homogeneous treatment of the sensitivity of free space and guided wave slab sensors. It is shown in particular that the sensitivity of evanescent wave sensors is generally smaller or much smaller than that of a free space wave traversing the probed medium except in the remarkable case of large contrast slab waveguides propagating a restricted number of TM modes where the sensitivity can exceed that of a free space wave.

AB - A ray optic description of evanescent wave sensing allows a homogeneous treatment of the sensitivity of free space and guided wave slab sensors. It is shown in particular that the sensitivity of evanescent wave sensors is generally smaller or much smaller than that of a free space wave traversing the probed medium except in the remarkable case of large contrast slab waveguides propagating a restricted number of TM modes where the sensitivity can exceed that of a free space wave.

KW - METIS-112084

KW - IR-100096

U2 - 10.1023/A:1007082915894

DO - 10.1023/A:1007082915894

M3 - Article

SN - 0306-8919

VL - 32

SP - 909

EP - 921

JO - Optical and quantum electronics

JF - Optical and quantum electronics

IS - 6-8

ER -