A Novel Lensed Fiber with a Focused Spot Diameter as Small as the Wavelength

Nobuyuki Kawasaki,M. Umetsu,Hidehiko Yoda,Haruhiko Tsuchiya,Kazuo Shiraishi,K. Watanabe,S. Shikano

A Novel Lensed Fiber with a Focused Spot Diameter as Small as the Wavelength

2007

Nobuyuki Kawasaki
M. Umetsu
Hidehiko Yoda
Haruhiko Tsuchiya
Kazuo Shiraishi
K. Watanabe
S. Shikano

A lensed fiber with a focused spot diameter as small as 1.6 mum at the wavelength 1.55 mum has been obtained. An aspherically-ended graded-index fiber chip coated with a high-index layer is employed.

Keywords:

Wavelength
Optical fiber
Fiber
Indexation
Lens (optics)
Optoelectronics
Optics
Engineering
lensed fiber
Chip

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