Shaping of the End of a Multimode Optical Fiber for Efficient Coupling Light from a Laser Diode
Applied Optics, Vol. 38, Issue 1, pp. 77-85 (1999)
http://dx.doi.org/10.1364/AO.38.000077
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Abstract
An entrance surface of a multimode optical fiber with the highest efficiency of coupling radiation from a laser diode is considered. The geometry of the surface is designed with the purpose of keeping a refracted ray inside the fiber with simultaneous minimization of the reflection coefficient in each point of the surface. As a good approximation to the ideal surface, the composite entrance surface of a cylinder–wedge shape is proposed. It has clearly improved the coupling efficiency as compared with that of the purely cylindrical surface. Analysis of the entrance surfaces is based on their transmission coefficients, depending on the incident ray direction.
© 1999 Optical Society of America
[Optical Society of America ]
OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(060.2310) Fiber optics and optical communications : Fiber optics
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3480) Lasers and laser optics : Lasers, diode-pumped
Citation
Sergey B. Sevastianov, Sergey M. Vatnik, and Alexander P. Mayorov, "Shaping of the End of a Multimode Optical Fiber for Efficient Coupling Light from a Laser Diode," Appl. Opt. 38, 77-85 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-1-77
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