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1.发明授权Spatial solitary waves in bulk quadratic nonlinear materials and their applications 失效体积二次非线性材料中的空间孤立波及其应用
公开(公告)号：US5659561A
公开(公告)日：1997-08-19
申请号：US470116
申请日：1995-06-06
CPC分类号： G02F1/35 , G02F1/3513 , G02F2203/26 , H01S3/005
摘要： This invention encompasses generating electromagnetic solitary waves in two-transverse spatial dimensions. These wave beams propagate without diffraction and are equivalent to the normal modes of propagation of a nonlinear system governed by second order optical nonlinearities. The wave beams can be generated using optical techniques and will impact a wide variety of geometries and operating conditions whenever second order nonlinear optical processes are implemented for harmonic and parametric optical conversion. A preferred embodiment covers the generation of solitary waves from nonlinear materials such as KTiOPO.sub.4 (KTP) crystals. Other types of nonlinear optical device crystals can also be used such as KH.sub.2 PO.sub.4 (KDP), (NH.sub.2).sub.2 CO(Urea), LiNbO.sub.3, KNbO.sub.3, and the borate crystals BaB.sub.2 O.sub.4 (BBO) and LiB.sub.3 O.sub.7 (LBO).
摘要翻译： 本发明包括在双横向空间维度上产生电磁孤立波。 这些波束在没有衍射的情况下传播，并且等同于由二阶光学非线性控制的非线性系统的正常传播模式。 可以使用光学技术生成波束，并且每当执行谐波和参数光学转换的二阶非线性光学处理时，将影响各种几何形状和操作条件。 一个优选的实施例涵盖由诸如KTiOPO4（KTP）晶体的非线性材料产生孤立波。 还可以使用其它类型的非晶态光学器件晶体，例如KH 2 PO 4（KDP），（NH 2）2 CO（Urea），LiNbO 3，KNbO 3和硼酸盐晶体BaB2O4（BBO）和LiB3O7（LBO）。
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公开(公告)号：US4565422A
公开(公告)日：1986-01-21
申请号：US556862
申请日：1983-11-30
CPC分类号： G02B5/04 , G02B6/34 , Y10S359/90
摘要： A device for efficiently coupling electromagnetic radiation in the far-infrared and submillimeter spectral regions to surface plasmon waves comprises a prism constructed of a dielectric material, a first layer integrally formed on one face of the prism having an index of refraction which is less than the index of refraction of the prism, and a second overcoat layer formed integrally on the first layer and having an index of refraction which is greater than the index of refraction of the first layer.
摘要翻译： 用于将远红外和亚毫米光谱区域中的电磁辐射有效地耦合到表面等离子体波的装置包括由介电材料构成的棱镜，第一层一体地形成在棱镜的一个面上，其折射率小于 棱镜折射率和第一外涂层一体形成在第一层上并具有大于第一层折射率的折射率。
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公开(公告)号：US4765705A
公开(公告)日：1988-08-23
申请号：US474222
申请日：1983-03-11
摘要： Devices for efficiently coupling electromagnetic radiation in the far infrared and sub-millimeter microwave regions of the electromagnetic spectrum to surface electromagnetic waves comprise a material of negative dielectric constant having a grating contoured surface overcoated with a transparent organopolymeric material. The efficiency of coupling between the free radiation and the surface electromagnetic waves can be optimized by adjusting the thickness of the overcoating layer.
摘要翻译： 用于将电磁光谱的远红外和亚毫米微波区域中的电磁辐射有效耦合到表面电磁波的装置包括负介电常数的材料，其具有用透明有机聚合物材料涂覆的光栅轮廓表面。 可以通过调整外涂层的厚度来优化自由辐射与表面电磁波之间的耦合效率。
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