Optical inspection of smartphone camera modules by near-infrared low-coherence interferometry

High-resolution cameras used for smartphones are comprised of multiple aspheric lenses, a spectral filter, and a semiconductor image sensor, which are packaged together into a single module with tight geometrical tolerances. We investigated the technical possibility of near-infrared low-coherence in...

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Bibliographic Details
Main Authors: Lee, Chang-Yun, Hyun, Sang-Won, Kim, Young-Jin, Kim, Seung-Woo
Other Authors: School of Mechanical and Aerospace Engineering
Format: Article
Language:English
Published: 2018
Subjects:
Online Access:https://hdl.handle.net/10356/87274
http://hdl.handle.net/10220/44387
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Institution: Nanyang Technological University
Language: English