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Design of a high-efficiency seven-port beam splitter using a dual duty cycle grating structure |
Applied Optics, Vol. 50, Issue 19, pp. 3187-3190 (2011)
http://dx.doi.org/10.1364/AO.50.003187
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Abstract
In this paper, we propose a compact seven-port beam splitter which is constructed using only a single-layer high-density grating with a dual duty cycle structure. The properties of this grating are investigated by a simplified modal method. The diffraction efficiency can be achieved around 10% more than conventional Dammann gratings while the uniformity can still be maintained at less than 1%. The effect of deviations from the design parameters on the performance of the grating is also presented.
© 2011 Optical Society of America
OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(050.1960) Diffraction and gratings : Diffraction theory
(220.4000) Optical design and fabrication : Microstructure fabrication
(230.1360) Optical devices : Beam splitters
ToC Category:
Diffraction and Gratings
History
Original Manuscript: February 18, 2011
Revised Manuscript: April 28, 2011
Manuscript Accepted: April 28, 2011
Published: June 23, 2011
Citation
Fung Jacky Wen and Po Sheun Chung, "Design of a high-efficiency seven-port beam splitter using a dual duty cycle grating structure," Appl. Opt. 50, 3187-3190 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-19-3187
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