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Imaging system with optimized extended depth of focus
专利权人:
Brien Holden Vision Institute
发明人:
Zeev Zalevsky,Alex Zlotnik,Ido Raveh,Shai Ben-Yaish,Ofer Limon,Oren Yehezkel,Karen Lahav
申请号:
US14841341
公开号:
US10175392B2
申请日:
2015.08.31
申请国别(地区):
US
年份:
2019
代理人:
摘要:
An optical processor is presented for applying optical processing to a light field passing through a predetermined imaging lens unit. The optical processor comprises a pattern in the form of spaced apart regions of different optical properties. The pattern is configured to define a phase coder, and a dispersion profile coder. The phase coder affects profiles of Through Focus Modulation Transfer Function (TFMTF) for different wavelength components of the light field in accordance with a predetermined profile of an extended depth of focusing to be obtained by the imaging lens unit. The dispersion profile coder is configured in accordance with the imaging lens unit and the predetermined profile of the extended depth of focusing to provide a predetermined overlapping between said TFMTF profiles within said predetermined profile of the extended depth of focusing.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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