Secondary optical element design for intracorporeal LED illumination system

被引：7

作者：

Pan, Jui-Wen ^{[1
,2
,3
]}

Su, Ying-Chieh ^{[1
,4
]}

Chen, Yao-Shan ^{[5
]}

机构：

[1] Natl Chiao Tung Univ, Inst Photon Syst, Tainan 71150, Taiwan

[2] Chi Mei Med Ctr, Dept Med Res, Tainan 71004, Taiwan

[3] Natl Chiao Tung Univ, Inst Imaging & Biomed Photon Syst, Tainan 71150, Taiwan

[4] Chi Mei Med Ctr, Dept Thorac Surg, Tainan 71004, Taiwan

[5] Natl Chiao Tung Univ, Biomed Elect Translat Res Ctr, Hsinchu 30010, Taiwan

来源：

OPTICS LETTERS | 2014年 / 39卷 / 02期

关键词：

LENS;

D O I：

10.1364/OL.39.000224

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this Letter, we propose an intracorporeal illumination system for providing uniform and wide-field illumination during minimally invasive surgery. The illumination system is comprised of an Alexis wound retractor, a set of LEDs, and secondary optical elements (SOEs). The SOE was composed of a Fresnel lens and a total internal reflection lens, which was designed to improve the optical performance of the LED. The results of simulation demonstrate that the optical efficiency of each LED with an SOE could be increased from 33.6% to 82.9%. To avoid damage to human tissue by thermal effect, the number of LEDs with SOEs was optimized. The results indicate that our design to be applicable for practical surgery. (C) 2014 Optical Society of America

引用

页码：224 / 227

页数：4

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