基于分束器的光学偏振保真传输

doi:10.3969/j.issn.1000-5641.2024.04.005

华东师范大学学报（自然科学版） ›› 2024, Vol. 2024 ›› Issue (4): 47-56.doi: 10.3969/j.issn.1000-5641.2024.04.005

基于分束器的光学偏振保真传输

林雨菲, 谢微*()

华东师范大学精密光谱科学与技术国家重点实验室, 上海　200241

收稿日期:2023-03-07 出版日期:2024-07-25 发布日期:2024-07-23
通讯作者: 谢微 E-mail:wxie@phy.ecnu.edu.cn
基金资助:
国家自然科学基金 (12174112, 62105199)

High-fidelity transmission of optical polarization based on beam splitters

Yufei LIN, Wei XIE*()

State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai　200241, China

Received:2023-03-07 Online:2024-07-25 Published:2024-07-23
Contact: Wei XIE E-mail:wxie@phy.ecnu.edu.cn

摘要/Abstract

摘要：

光的偏振作为光的基本禀性之一, 在光信号获取分析应用中至关重要. 光学分束器作为搭建探测光路/光学系统的常规元件, 其对光偏振信息的保真传输效果会极大地影响整个探测系统的偏振检测能力. 通过光学透反射理论分析, 基于光学分束器设计出了同时满足反射保偏和透射保偏功能的光路. 实验证明该光路的偏振保真度高达95%以上. 此光路设计方案具有成本低、调节灵活、功能性强等特点, 为偏振光的分析和应用提供了更多的可能性.

关键词: 光学分束器, 偏振信息, 光路设计

Abstract:

Optical polarization is a fundamental property of light, and it is therefore important to realize the high-fidelity transmission of optical polarization during the optical signal detection process. The optical beam splitter, as a conventional element to build the detection optical path /optical system, could significantly affect the polarization resolution capability of the entire detection system. Based on the theoretical analysis of optical transmission and reflection, polarization-preserving optical pathes with beam splitters can be designed to achieve both reflection and transmission polarization-preserving functions. Experimental data demonstrates that the optical path polarization fidelity is up to 95%. The polarization fidelity design scheme has characteristics including low cost, flexible adjustment and strong functionality, which provides further possibilities for the analysis and application of polarized light.

Key words: optical beam splitter, polarization information, optical path design

中图分类号:

O439

林雨菲, 谢微. 基于分束器的光学偏振保真传输[J]. 华东师范大学学报（自然科学版）, 2024, 2024(4): 47-56.

Yufei LIN, Wei XIE. High-fidelity transmission of optical polarization based on beam splitters[J]. Journal of East China Normal University(Natural Science), 2024, 2024(4): 47-56.

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组别	偏振度	圆偏度	椭偏张角/(°)
空白对照组	1.0006	0.997	42.794
实验组	1.0001	0.996	42.605

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基于分束器的光学偏振保真传输

High-fidelity transmission of optical polarization based on beam splitters

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