Design of circular Dammann gratings by employing the circular spot rotation method
Applied Optics, Vol. 46, Issue 22, pp. 5452-5455 (2007)
http://dx.doi.org/10.1364/AO.46.005452
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Abstract
A new concept based on the theory of Dammann gratings is proposed for the generation of circular optical beams. This grating shows that it can achieve equal intensity and equal spacing with acceptable efficiency that is controlled by set of transition points. A numerical solution is also presented together with the fabrication of 4-order circular Dammann grating by e-beam lithography. Experimental results agree well with the scalar diffraction theory. This grating has the potential to be further developed into practical applications.
© 2007 Optical Society of America
OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(140.3560) Lasers and laser optics : Lasers, ring
(210.0210) Optical data storage : Optical data storage
(220.4000) Optical design and fabrication : Microstructure fabrication
(230.5750) Optical devices : Resonators
ToC Category:
Diffraction and Gratings
History
Original Manuscript: February 12, 2007
Revised Manuscript: May 18, 2007
Manuscript Accepted: June 1, 2007
Published: July 23, 2007
Citation
Fung Jacky Wen, Shu Ying Law, and Po Sheun Chung, "Design of circular Dammann gratings by employing the circular spot rotation method," Appl. Opt. 46, 5452-5455 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-22-5452
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