A Beam Converter Based on Electrorheological Effect
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A converter and electrorheological technology, applied in the field of optics, can solve the problems of inability to comprehensively control the light field, difficult expansion of device functions, poor adjustment flexibility, etc., and achieve the effect of easy function, easy integration, and low integration
Active Publication Date: 2017-09-05
HANGZHOU DIANZI UNIV
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Although the prior technology has certain advantages, there are essential deficiencies: the polarization distribution of incident light is adjusted by using the principle of conical surface reflection and polarizing devices, and the system structure is complex; the polarization is adjusted by using a half-wave plate, and the distance between devices is adjusted. Horizontal distribution, poor adjustment flexibility; fundamentally unable to comprehensively control the light field, and device functions are not easy to expand; essentially difficult to achieve miniaturization, low integration, and inconvenient integration
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[0015] The present invention will be further described below with reference to the drawings and embodiments.
[0016] Such as figure 1 As shown, a beam converter based on the electrorheological effect includes: a hollow photonic crystal fiber 1, an electrorheological fluid 2, a first electrode 5, a second electrode 6, and at least one hollow core cavity of the hollow photonic crystal fiber 1 The electrorheological fluid 2; the electrorheological fluid 2 is a multi-segment electrorheological fluid column arranged in a sequence in the hollow cavity of the hollow photonic crystal fiber 1; the hollow photonic crystal fiber 1 is provided with a first electrode 5 and a second electrode 6, The electric field generated when a voltage is applied between the first electrode 5 and the second electrode 6 acts on the electrorheological fluid 2 area of the hollow-core photonic crystal fiber 1.
[0017] In this embodiment, the hollow-core photonic crystal fiber 1 adopts a center-symmetrical mu...
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Abstract
The invention relates to a beam converter based on the electrorheological effect and aims at solving the problems in the prior art of system complexity, poor adjusting flexibility and function expanding difficulty. Electrorheological fluid is filled in a hollow cavity of a hollow photonic crystal fiber based on the electrorheological effect, multiple electrorheological fluid areas are arranged in sequence in the hollow cavity of the hollow photonic crystal fiber, and the incident light field is emitted from one end of the hollow photonic crystal fiber, spreads in the hollow photonic crystal fiber and emitted out from the other end of the hollow photonic crystal fiber. For the electrorheological fluid array, the structure and the optical property are subjected to controlled change under the effect of an external electric field, and controllable beam conversion is achieved by regulating the optical field. The beam converter has the advantages of being simple in system, convenient to achieve, convenient to miniaturize, high in regularity, high in adjustment flexibility and comprehensive in optical field regulation, facilitating function expansion and integration and the like.
Description
Technical field [0001] The present invention belongs to the field of optical technology, and relates to a beam conversion device, in particular a beam converter based on the electrorheological effect, which is mainly used in environmental detection, material analysis, optical processing, optical microscopy, optical manipulation, photoelectric detection, and information Light beam conversion in communication, environmental monitoring, process control, sensor technology and other fields. Background technique [0002] The demand for beam conversion widely exists in the fields of environmental detection, material analysis, optical processing, optical microscopy, optical manipulation, photoelectric detection, information communication, environmental monitoring, process control, sensor technology, etc., and the characteristics of the beam converter are more demanding. Come higher. For example, in the field of optical manipulation, the focusing characteristics of different beams are si...
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