High-diffractive-efficiency defocus grating for wavefront curvature sensing

被引：15

作者：

Fengjie, Xi ^{[1
]}

Zongfu, Jiang ^{[1
]}

Xiaojun, Xu ^{[1
]}

Yifeng, Geng ^{[1
]}

机构：

[1] Natl Univ Def Technol, Coll Photon Electron Sci & Engn, Changsha 410073, Peoples R China

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2007年 / 24卷 / 11期

关键词：

D O I：

10.1364/JOSAA.24.003444

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The optimum phase defocus grating for wavefront curvature sensing is proposed. It features an equidistantly quantized, binary-phase-step defocus grating with a phase-step height of pi. The diffractive efficiency of the phase defocus grating is theoretically computed. The optical transfer function is obtained. The optimum phase defocus grating is fabricated. The high diffractive efficiencies of the 1 diffraction orders are verified experimentally, the average values of which are 38.08% and 40.36%, respectively. (c) 2007 Optical Society of America.

引用

页码：3444 / 3448

页数：5

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