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Optimized circularly symmetric phase mask to extend the depth of focus

✍ Scribed by Zhou, Feng; Ye, Ran; Li, Guangwei; Zhang, Haitao; Wang, Dongsheng

Book ID
115391612
Publisher
Optical Society of America
Year
2009
Tongue
English
Weight
911 KB
Volume
26
Category
Article
ISSN
1084-7529

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Wave-front coding is a well known technique used to extend the depth of field of incoherent imaging system. The core of this technique lies in the design of suitable phase masks, among which the most important one is the cubic phase mask suggested by Dowski and Cathey (1995) [1]. In this paper, we p