通过改变记录光束的强度比获得可调谐偏振全息光栅

IF 6.6 1区 物理与天体物理 Q1 OPTICS
Hong Chen, Ziyao Lyu, and Changshun Wang
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引用次数: 0

摘要

偏振全息技术因其偏振调制特性而被广泛应用于光学科学、计量学和生物化学等诸多领域。然而,衍射光的调制偏振态与入射光的偏振态严格一一对应。在此,我们根据琼斯矩阵设计了一种可调谐偏振全息光栅,并在实验中实现了基于强度的偏振操控。通过一对具有正交偏振态和非对称控制强度的相干光束,在偶氮苯液晶膜上记录了所提出的可调谐偏振全息光栅。研究发现,当入射光的偏振态保持不变时,衍射光可以根据记录全息场的光强主动地从线偏振到圆偏振。我们的工作可以丰富光操纵和全息领域。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Tunable polarization holographic gratings obtained by varying the ratio of intensities of the recording beams
Polarization holography has been extensively applied in many fields, such as optical science, metrology, and biochemistry, due to its property of polarization modulation. However, the modulated polarization state of diffracted light corresponds strictly to that of incident light one by one. Here, a kind of tunable polarization holographic grating has been designed in terms of Jones matrices, and intensity-based polarization manipulation has been realized experimentally. The proposed tunable polarization holographic grating is recorded on an azobenzene liquid-crystalline film by a pair of coherent light beams with orthogonal polarization states and asymmetrically controlled intensities. It is found that the diffracted light can be actively manipulated from linearly to circularly polarized based on the light intensity of the recording holographic field when the polarization state of incident light keeps constant. Our work could enrich the field of light manipulation and holography.
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来源期刊
CiteScore
13.60
自引率
5.30%
发文量
1325
期刊介绍: Photonics Research is a joint publishing effort of the OSA and Chinese Laser Press.It publishes fundamental and applied research progress in optics and photonics. Topics include, but are not limited to, lasers, LEDs and other light sources; fiber optics and optical communications; imaging, detectors and sensors; novel materials and engineered structures; optical data storage and displays; plasmonics; quantum optics; diffractive optics and guided optics; medical optics and biophotonics; ultraviolet and x-rays; terahertz technology.
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