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Lightweight and low cost lens for infrared sensors using a computer generated hologram

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4 Author(s)
Shuhei Yoshida ; Graduate School of Industrial Science and Technology, Tokyo University of Science, Noda, Japan ; Naruki Yoshida ; Yasuhiro Ohuchi ; Manabu Yamamoto

Infrared (IR) sensors are used for various purposes, such as human body detection. This study concerns the development of downsized, low-cost lenses for IR sensors, and it is argued that computer generated holograms (CGH) are applicable to a lens. Lenses with CGH are inexpensive and lightweight since they can be mass-produced by using stampers, similar to compact discs. This study shows that lenses with CGH can detect IR with excellent angular resolution with a viewing angle of up to plusmn60deg.

Published in:

Optomechatronic Technologies, 2009. ISOT 2009. International Symposium on

Date of Conference:

21-23 Sept. 2009