Digital in-line holographic microscopy at 1310 nm with superluminescent light-emitting diode broadband source

Weijuan Qu; Oi Choo Chee; Yingjie Yu; Anand Asundi

doi:10.1117/12.851401

14 April 2010 Digital in-line holographic microscopy at 1310 nm with superluminescent light-emitting diode broadband source

Weijuan Qu, Oi Choo Chee, Yingjie Yu, Anand Asundi

Author Affiliations +

Proceedings Volume 7522, Fourth International Conference on Experimental Mechanics; 75226M (2010) https://doi.org/10.1117/12.851401
Event: Fourth International Conference on Experimental Mechanics, 2009, Singapore, Singapore

Abstract

Infrared digital in-line microscopic holography is achieved using a superlumiescent light emitting diode broadband source at 1310nm. It can be applied for the inspection of bulk material defects as well as some surface defects in silicon wafer. The imaging of a calibrated positive USAF target is used for the demonstration of the resolution improvement. Two pieces of semiconductor silicon wafer each with a slot 10μm in width are placed perpendicular with a 4mm gap to demonstrate the 3D imaging from a single hologram.

Citation Download Citation

Weijuan Qu, Oi Choo Chee, Yingjie Yu, and Anand Asundi "Digital in-line holographic microscopy at 1310 nm with superluminescent light-emitting diode broadband source", Proc. SPIE 7522, Fourth International Conference on Experimental Mechanics, 75226M (14 April 2010); https://doi.org/10.1117/12.851401

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