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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 2 — Jan. 15, 2014
  • pp: 224–227

Secondary optical element design for intracorporeal LED illumination system

Jui-Wen Pan, Ying-Chieh Su, and Yao-Shan Chen  »View Author Affiliations

Optics Letters, Vol. 39, Issue 2, pp. 224-227 (2014)

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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.

© 2014 Optical Society of America

OCIS Codes
(220.2740) Optical design and fabrication : Geometric optical design
(170.2945) Medical optics and biotechnology : Illumination design
(220.4298) Optical design and fabrication : Nonimaging optics

ToC Category:
Optical Design and Fabrication

Original Manuscript: October 2, 2013
Revised Manuscript: November 12, 2013
Manuscript Accepted: November 22, 2013
Published: January 6, 2014

Jui-Wen Pan, Ying-Chieh Su, and Yao-Shan Chen, "Secondary optical element design for intracorporeal LED illumination system," Opt. Lett. 39, 224-227 (2014)

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