Structured lens formed by a 2D square hole array in a metallic film
Optics Letters, Vol. 33, Issue 7, pp. 753-755 (2008)
http://dx.doi.org/10.1364/OL.33.000753
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Abstract
A method is proposed to modulate phase using variant square holes in a metallic film based on a fundamental mode approximation model. Phase retardation through square holes in a subwavelength scale in a thin metal film has been analyzed and calculated. Based on the model, a structured lens with a numerical aperture of 0.583 and a focal length of
© 2008 Optical Society of America
OCIS Codes
(080.3620) Geometric optics : Lens system design
(120.5060) Instrumentation, measurement, and metrology : Phase modulation
(230.3990) Optical devices : Micro-optical devices
(240.0310) Optics at surfaces : Thin films
ToC Category:
Geometric optics
History
Original Manuscript: December 5, 2007
Revised Manuscript: January 28, 2008
Manuscript Accepted: February 1, 2008
Published: March 31, 2008
Citation
Yanzhong Chen, Chongxi Zhou, Xiangang Luo, and Chunlei Du, "Structured lens formed by a 2D square hole array in a metallic film," Opt. Lett. 33, 753-755 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-7-753
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