Variable-field aspect-ratio transformer with cascaded graded-index oval-core fibers
Optics Letters, Vol. 28, Issue 19, pp. 1766-1768 (2003)
http://dx.doi.org/10.1364/OL.28.001766
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Abstract
A new configuration is proposed for continuously transforming aspect ratios of field-intensity distributions in optical fibers. The field aspect ratio varies in proportion to the angle between the principal axes of two cascaded graded-index oval-core fibers. The highest aspect-ratio conversion is obtained at an angle of 90°. The conversion effect is numerically and experimentally confirmed, showing that a circular field is successfully transformed into an elliptical one with an aspect ratio as high as 9 at a wavelength of 0.98μm .
© 2003 Optical Society of America
OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2350) Fiber optics and optical communications : Fiber optics imaging
(230.0230) Optical devices : Optical devices
(350.3950) Other areas of optics : Micro-optics
Citation
Kazuo Shiraishi, Akira Ogura, and Hidehiko Yoda, "Variable-field aspect-ratio transformer with cascaded graded-index oval-core fibers," Opt. Lett. 28, 1766-1768 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-19-1766
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