Light coupling from a laser diode to a beam expanding fiber with a hemispherical end is reported. The new scheme shows promise for achieving efficient coupling modules.
© 1990 Optical Society of America
Kazuo Shiraishi, "New scheme of coupling from laser diodes to single-mode fibers: a beam expanding fiber with a hemispherical end," Appl. Opt. 29, 3469-3470 (1990)