Wavefront sensing based on phase contrast theory and coherent optical processing

doi:10.1088/1674-1056/25/7/070701

中国物理B ›› 2016, Vol. 25 ›› Issue (7): 70701-070701.doi: 10.1088/1674-1056/25/7/070701

Wavefront sensing based on phase contrast theory and coherent optical processing

Lei Huang(黄磊), Qi Bian(边琪), Chenlu Zhou(周晨露), Tenghao Li(李腾浩), Mali Gong(巩马理)

Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China

收稿日期:2015-10-21 修回日期:2016-04-06 出版日期:2016-07-05 发布日期:2016-07-05
通讯作者: Qi Bian E-mail:bemyselfbq@163.com

Wavefront sensing based on phase contrast theory and coherent optical processing

Lei Huang(黄磊), Qi Bian(边琪), Chenlu Zhou(周晨露), Tenghao Li(李腾浩), Mali Gong(巩马理)

Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China

Received:2015-10-21 Revised:2016-04-06 Online:2016-07-05 Published:2016-07-05
Contact: Qi Bian E-mail:bemyselfbq@163.com

摘要/Abstract

摘要： A novel wavefront sensing method based on phase contrast theory and coherent optical processing is proposed. The wavefront gradient field in the object plane is modulated into intensity distribution in a gang of patterns, making high-density detection available. By applying the method, we have also designed a wavefront sensor. It consists of a classical coherent optical processing system, a CCD detector array, two pieces of orthogonal composite sinusoidal gratings, and a mechanical structure that can perform real-time linear positioning. The simulation results prove and demonstrate the validity of the method and the sensor in high-precision measurement of the wavefront gradient field.

关键词: wavefront gradients, composite sinusoidal gratings, phase contrast

Abstract: A novel wavefront sensing method based on phase contrast theory and coherent optical processing is proposed. The wavefront gradient field in the object plane is modulated into intensity distribution in a gang of patterns, making high-density detection available. By applying the method, we have also designed a wavefront sensor. It consists of a classical coherent optical processing system, a CCD detector array, two pieces of orthogonal composite sinusoidal gratings, and a mechanical structure that can perform real-time linear positioning. The simulation results prove and demonstrate the validity of the method and the sensor in high-precision measurement of the wavefront gradient field.

Key words: wavefront gradients, composite sinusoidal gratings, phase contrast

中图分类号: (Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing)

07.07.Df

黄磊, 边琪, 周晨露, 李腾浩, 巩马理. Wavefront sensing based on phase contrast theory and coherent optical processing[J]. 中国物理B, 2016, 25(7): 70701-070701.

Lei Huang(黄磊), Qi Bian(边琪), Chenlu Zhou(周晨露), Tenghao Li(李腾浩), Mali Gong(巩马理). Wavefront sensing based on phase contrast theory and coherent optical processing[J]. Chin. Phys. B, 2016, 25(7): 70701-070701.

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Wavefront sensing based on phase contrast theory and coherent optical processing

Wavefront sensing based on phase contrast theory and coherent optical processing

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