An Integrated Vector Light Field Generator
A vector light field and generator technology, applied in instruments, optics, optical components, etc., can solve the problems of difficult beam coincidence adjustment, large energy loss, poor stability, etc., to achieve convenient beam coincidence adjustment, small energy loss, and production handy effect
Active Publication Date: 2020-07-28
NANKAI UNIV
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Problems solved by technology
[0004] The purpose of the present invention is to provide an integrated vector light field generator to solve the problems of large energy loss, difficult beam coincidence adjustment and poor stability of traditional interferometers
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[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0032] The purpose of the present invention is to provide an integrated vector light field generator to solve the problems of large energy loss, difficult beam coincidence adjustment and poor stability of traditional interferometers.
[0033] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and sp...
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The invention discloses an integrated vector light field generator. An integrated generator in the vector light field generator is composed of a polarization beam splitter, a retrodirective reflector,a rectangular prism and other common devices in an integrated fitting mode, the manufacturing is very convenient, the influence of air turbulence does not exist in a tightly attached structure, and thus, more stability is achieved; a retrodirective reflecting prism and the rectangular prism can generate 180 degrees retrodirective reflecting to light beams, position offset of the light beams is centrosymmetric, and it is ensured that two beams of light are very easily to be coincided and adjusted from two characteristics. According to the integrated vector light field generator, the polarization beam splitter is adopted to compound the two beams of light, without diffraction level loss is achieved, and thus, energy loss is less. In addition, the retrodirective reflecting prism and the rectangular prism are total internal reflection, the reflectivity is high, and thus, the efficiency of a vector light field generated by the generator is higher. The integrated vector light field generator has the advantages of compact structure, stable working, convenient light beam coincidence and adjustment, less energy loss and high efficiency.
Description
technical field [0001] The invention relates to the technical field of vector light field generation, in particular to an integrated vector light field generator. Background technique [0002] A vector optical field (VOF) refers to an optical field with different polarization states at different positions on the same wavefront at the same time. The most typical two types of vector light fields are: radial polarization vector light field (the polarization state is distributed along the radial direction), and handed polarization vector light field (the polarization state is distributed along the helical direction). Among them, the radially polarized vector light field has super-diffraction-limited characteristics in the case of tight focusing. Vector light fields are widely used in optical tweezers, femtosecond filamentation, femtosecond micro-nano processing, super-resolution imaging, surface plasmons, optical communication, quantum communication and many other fields. [0...
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IPC IPC(8): G02B27/28
CPCG02B27/283G02B27/286
Inventor 刘瑞孔令军齐文荣田倩倩李勇男涂成厚王慧田
Owner NANKAI UNIV