Elastic Light Scattering with a LiNbO3 Waveguide
Applied Optics, Vol. 41, Issue 7, pp. 1418-1423 (2002)
http://dx.doi.org/10.1364/AO.41.001418
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Abstract
We present the measurements of hemispherical elastic scattering of light guided by different modes of a planar LiNbO3 waveguide. It is shown that the fundamental and the lowest-order modes are more sensitive to the scattering properties of the air-core interface, whereas higher-order modes are more sensitive to the optical inhomogeneities of the core-substrate interface. We also demonstrate that because of static polarization of LiNbO3 crystal, the air-core interface is sensitive to the presence of dust particles in air, which causes a change in the scattered light based on time of observation. This sensitivity could be used to elaborate compact sensors of air contamination.
© 2002 Optical Society of America
[Optical Society of America ]
OCIS Codes
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(120.6660) Instrumentation, measurement, and metrology : Surface measurements, roughness
(130.3730) Integrated optics : Lithium niobate
(240.6690) Optics at surfaces : Surface waves
(290.5880) Scattering : Scattering, rough surfaces
Citation
Valeriy A. Sterligov, Sergey I. Lysenko, Pierre Aschieri, Pascal Baldi, Loïc Chanvillard, and Marc De Micheli, "Elastic Light Scattering with a LiNbO3 Waveguide," Appl. Opt. 41, 1418-1423 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-7-1418
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