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

页码：468 / 471

页数：4

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