Coherence preservation during light-surface plasmon polaritons-light transformation

We constructed a four-layer system composed of a prism,a silver film,an air layer and a lithium niobate crystal.Initially we used two coherent light beams to excite surface plasmons.The surface plasmons were then decoupled into light in the photorefractive crystal where a holographic grating was rec...

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Published inScience China. Physics, mechanics & astronomy Vol. 56; no. 9; pp. 1679 - 1683
Main Authors Tan, XinHui, Wang, JunQiao, Cai, Wei, Meng, Tao, Xiang, YinXiao, Li, Wei, Zhang, XinZheng
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 01.09.2013
Springer Nature B.V
Subjects
Astronomy
Classical and Continuum Physics
Coherent light
Holography
Leaky waves
Light beams
Lithium
Lithium niobates
Observations and Techniques
Photorefractivity
Physics
Physics and Astronomy
Plasmons
Polaritons
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光折变晶体
光折变材料
全息光栅
相干光束
表面等离子体激元
转换过程
铌酸锂晶体
light-SPPs-light transformation
surface plasmons
coherence preservation
holographic grating
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Summary:We constructed a four-layer system composed of a prism,a silver film,an air layer and a lithium niobate crystal.Initially we used two coherent light beams to excite surface plasmons.The surface plasmons were then decoupled into light in the photorefractive crystal where a holographic grating was recorded.The two beams remained coherent through light to surface plasmons to light transformation.Studying the characteristics of the holographic grating we found out that the thickness of the grating was to the order of hundreds of microns.The thick holographic grating suggests that the holographic recording in the photorefractive materials was induced by the leaky waves rather than by surface plasmon polaritons directly.
Bibliography:11-5000/N
We constructed a four-layer system composed of a prism,a silver film,an air layer and a lithium niobate crystal.Initially we used two coherent light beams to excite surface plasmons.The surface plasmons were then decoupled into light in the photorefractive crystal where a holographic grating was recorded.The two beams remained coherent through light to surface plasmons to light transformation.Studying the characteristics of the holographic grating we found out that the thickness of the grating was to the order of hundreds of microns.The thick holographic grating suggests that the holographic recording in the photorefractive materials was induced by the leaky waves rather than by surface plasmon polaritons directly.
coherence preservation,light-SPPs-light transformation,surface plasmons,holographic grating
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1674-7348
1869-1927
DOI:10.1007/s11433-013-5247-6