Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
OPTICAL FIBER/MICRO-LENS, OPTICAL FIBER AND OPTICAL FIBER ARRANGING METHOD
Document Type and Number:
WIPO Patent Application WO/2002/003112
Kind Code:
A1
Abstract:
A single-mode optical fiber/micro-lens comprising a core (2), a clad (4), and an optical fiber axis (3) extending through the core (2) and serving as an anamorphic focusing means, wherein a wedge shape consisting of slopes is formed at the tip end, facing a light source or an outgoing light beam, of the optical fiber (1), second slopes respectively forming an angle $g(u) with a direction perpendicular to the optical fiber axis are symmetrically formed in a longitudinal direction at the crossing portion at the tip end of the wedge shape, and wedge-shaped micro-lens is provided at the end at which the two second slopes cross each other.

Inventors:
SAITO MASAHIRO (JP)
ITO NORIHIKO (JP)
IMAIZUMI NOBUO (JP)
SATO TOSHIMICHI (JP)
Application Number:
PCT/JP2001/005810
Publication Date:
January 10, 2002
Filing Date:
July 04, 2001
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NAMIKI PRECISION JEWEL CO LTD (JP)
SAITO MASAHIRO (JP)
ITO NORIHIKO (JP)
IMAIZUMI NOBUO (JP)
SATO TOSHIMICHI (JP)
International Classes:
G02B6/255; G02B6/42; G02B6/38; (IPC1-7): G02B6/10
Foreign References:
GB2077943A1981-12-23
JPH0821921A1996-01-23
EP0215713A21987-03-25
US5256851A1993-10-26
US4243399A1981-01-06
JPS63163806A1988-07-07
EP0260742A11988-03-23
EP0916976A11999-05-19
Other References:
See also references of EP 1298460A4
Attorney, Agent or Firm:
Sakai, Hiroaki (Kasumigaseki 3-chome Chiyoda-ku, Tokyo, JP)
Download PDF: