Abstract
A new design is presented to achieve a hybrid micro-diffractive-refractive lens with wide field of view (WFOV) of 80° integrated on backside of InGaAs / InP photodetector for free space optical interconnections. It has an apparent advantage of athermalization of optical system which working in large variation of ambient temperature ranging from -20 °C to 70 °C. The changing of focal length is only 0.504 μm in the ambient temperature range with the hybrid microlens, which opto-thermal expansion coefficient matches with thermal expansion coefficient of AuSn solder bump used in corresponding flip-chip packaging system. The hybrid lens was designed via CODE-VTM professional software. The results show that the lens has good optical performance for the optical interconnection use.
©2002 Optical Society of America
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Yongqi Fu and Ngoi Kok Ann Bryan, "Design of hybrid micro-diffractive-refractive optical element with wide field of view for free space optical interconnections: errata," Opt. Express 10, 714-714 (2002)https://www.osapublishing.org/oe/abstract.cfm?uri=oe-10-15-714
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