A micro-optics device has been developed to limit backreflection at the end face of single-mode fibers. The measured return loss at a wavelength of 1.55 μm is as high as 28 dB. This device allows for preservation of the geometric aspect of a normally cut end-face fiber.
© 2001 Optical Society of America
(060.2340) Fiber optics and optical communications : Fiber optics components
(110.2760) Imaging systems : Gradient-index lenses
(120.3620) Instrumentation, measurement, and metrology : Lens system design
(120.5700) Instrumentation, measurement, and metrology : Reflection
Philippe Chanclou, Monique Thual, and Jean Iostec, "High Return Loss at the End Face of Fiber," Appl. Opt. 40, 458-460 (2001)