Nondestructive Optical Measurement of Refractive-index Profile of Graded-index Lenses

被引：5
|
作者：
Lee, Byounghwak [2 ]
Shin, Naeho [2 ]
Jeong, Kwan [2 ]
Park, Myoung-Jin [2 ]
Kim, Byung-Gyu [2 ]
Yoo, Jang-Hoon [3 ]
Kim, Dae-Geun [1 ]
Yun, Ki-Hyuck [1 ]
Lee, Kewseung [1 ]
Kim, Kyung-Hwan [1 ]
Kim, Dae-Kyu [1 ]
Park, Seung-Han [1 ]
机构：
[1] Yonsei Univ, Inst Phys & Appl Phys, Seoul 120749, South Korea
[2] Korea Mil Acad, Dept Chem & Phys, Seoul 139799, South Korea
[3] Samsung Elect Co Ltd, DMC R&D Ctr, Suwon 443742, South Korea
来源：
JOURNAL OF THE OPTICAL SOCIETY OF KOREA | 2009年 / 13卷 / 04期
关键词：
Refractive-index profile; Graded-index lens; Diffraction; Grating; WAVE-GUIDES; GRIN LENS; PREFORM; ARRAY;
D O I：
10.3807/JOSK.2009.13.4.468
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose a simple nondestructive method to obtain refractive-index profiles of a graded-index (GRIN) light-focusing rod by means of a diffraction grating. In our proposed method, a laser beam is illuminated through a diffraction grating perpendicular to the axis of the GRIN lens and the separation between the zeroth and first-order diffraction peaks is measured and analyzed. The results demonstrate that the refractive-index profiles of commercially available GRIN lenses can be successfully reconstructed.
引用
收藏
页码：468 / 471
页数：4
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