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Featured researches published by Tetsuji Ueda.


International Conferences on Optical Fabrication and Testing and Applications of Optical Holography | 1995

New mirror-finish surface-grinding technology for the fabrication of optical device endfaces

Torahiko Kanda; Masashige Mitsuhashi; Tetsuji Ueda; Atsushi Toyohara; Koji Yamamoto

This paper describes a mirror-finish slicing technology, and a spherical mirror-finish surface grinding technology. The former technology uses a thin metal bond micro-grain blade to which an electrolytic dressing is applied, for use with optical waveguide device endfaces. The latter technology uses a concave surface of metal bond micro-grain grinding wheel with electrolytic dressing, which produces convex spherical ferrule endfaces for Physical Control optical fiber connectors. They successfully produce mirror-finish endfaces of 0.06 micrometers Rmax directly, without the need for lapping. Endfaces produced with these technologies have sufficiently high optical light transmission characteristics.


Archive | 1992

Optical module, method for fabricating the same and optical module unit with the same

Yasuhisa Tanisawa; Tetsuji Ueda


Archive | 1993

Optical fiber terminal suitable for automatic assembly

Tetsuji Ueda; Kazuhiko Kurata; Koji Yamamoto


Archive | 2000

Arrayed waveguide grating

Tetsuji Ueda


Archive | 1998

Optical waveguide switch having peltier junction control elements

Tetsuji Ueda


Archive | 1992

Optical fiber connector having a glass ferrule covered by a thin reinforcing layer

Tetsuji Ueda; Yasuhisa Tanisawa


Archive | 2001

Arrayed waveguide grating and multiplexer/demultiplexer system and multiplexer/demultiplexer device using thereof

Tetsuji Ueda


Archive | 1994

Optical fiber connector with sleeve for resiliently fitting an optical fiber thereto

Tetsuji Ueda


Archive | 1996

Optical connector with protective coating and method of manufacturing the same

Tetsuji Ueda


Archive | 2001

Arrayed waveguide grating device and multiplexer/demultiplexer using the device

Tetsuji Ueda

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