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Electro-optic polarization modulation system and electro-optic polarization modulation method

An electro-optic polarization modulation and electro-optic coefficient technology, which is applied in optics, nonlinear optics, instruments, etc., can solve the problems that the electro-optic polarization modulator cannot meet the requirements of arbitrary adjustment of the laser polarization state, cannot perform calculations, and the axis of the refractive index is changed.

Active Publication Date: 2019-07-05
NAT TIME SERVICE CENT CHINESE ACAD OF SCI
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Problems solved by technology

However, the refractive index ellipsoid theory needs to convert the main axis of the refractive index ellipsoid equation to the electro-optic crystal after the electric field is applied, and obtain the refractive index ellipsoid equation according to the distribution of the main axes of the refractive index ellipsoid equation after the electric field is applied to the electro-optic crystal, so it needs complex Coordinate Transformation and Coordinate Approximation
In addition, for specific electro-optic cryst

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  • Electro-optic polarization modulation system and electro-optic polarization modulation method
  • Electro-optic polarization modulation system and electro-optic polarization modulation method
  • Electro-optic polarization modulation system and electro-optic polarization modulation method

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[0055] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of embodiments of the present disclosure. However, those skilled in the art will appreciate that the technical solutions of the present disclosure may be practiced without one or more of the specific details being omitted, or other methods, components, devices, steps, etc. may be adopted. In other instances, well-known technical solution...

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Abstract

The invention relates to the technical field of electro-optic polarization modulation, and relates to an electro-optic polarization modulation system and an electro-optic polarization modulation method. The electro-optic polarization modulation system comprises an electro-optic polarization modulator which is used for receiving an incident laser and modulating the incident laser to form an outgoing laser, a laser polarization state computing device which is connected with the electro-optic polarization modulator to determine the polarization state of the outgoing laser based on the electric field distribution of the outgoing laser. According to the invention, on the one hand, the outgoing laser of any polarization state can be acquired, and the electro-optic polarization modulator is prevented from the main axis of an refractive index ellipsoid equation; and on the other hand, the outgoing laser of any polarization state is quantitatively described, which helps an experimenter to accurately grasp the polarization state of the outgoing laser.

Description

technical field [0001] The present disclosure relates to the technical field of electro-optic polarization modulation, in particular, to an electro-optic polarization modulation system and an electro-optic polarization modulation method. Background technique [0002] Laser polarization is an important parameter to describe light waves, and fast modulation of laser polarization state is of great significance to spectral analysis, medical research, astronomical observation and other fields. At present, the laser polarization state modulation technology mainly includes electric tunable wave plate group, optical fiber coil and electro-optic polarization modulation technology. Among them, the electric tunable wave plate group technology relies on high-speed electric tunable wave plate to realize the laser polarization state change, and the structure is complex; Optical fiber coil technology is to change the distribution of laser light propagating along the fast and slow axis of t...

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Application Information

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IPC IPC(8): G02F1/01G02F1/03
CPCG02F1/0136G02F1/03G02F1/0327
Inventor 张颜艳姜海峰张攀饶冰洁全洪磊樊松涛
Owner NAT TIME SERVICE CENT CHINESE ACAD OF SCI
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