OPTICAL MATERIAL CONTAINING FUNCTIONAL FLUOROPOLYMER

Title:

OPTICAL MATERIAL CONTAINING FUNCTIONAL FLUOROPOLYMER

Document Type and Number:

WIPO Patent Application WO/2002/072696

Kind Code:

A1

Abstract:

A functional-fluoropolymer-containing optical material which is an organic composition suitable for use as an optical material for optical communication, etc. It comprises a functional fluoropolymer and rare earth metal ions, wherein the functional fluoropolymer has at least one ketone structure in a side chain and has a maximum value of absorption coefficient of 1 cm?-1¿ or lower in each of the wavelength ranges of 1,290 to 1,320 nm, 1,530 to 1,570 nm, and 600 to 900 nm, and the rare earth metal ions are ions of at least one member selected from the group consisting of erbium (Er), thulium (Tm), praseodymium (Pr), holmium (Ho), neodymium (Nd), and europium (Eu).

Inventors:

ARAKI TAKAYUKI (JP)
TANAKA YOSHITO (JP)
KOMATSU YUZO (JP)
ANDOU YOSHIHITO (JP)

Application Number:

PCT/JP2002/002057

Publication Date:

September 19, 2002

Filing Date:

March 06, 2002

Export Citation:

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Assignee:

DAIKIN IND LTD (JP)
ARAKI TAKAYUKI (JP)
TANAKA YOSHITO (JP)
KOMATSU YUZO (JP)
ANDOU YOSHIHITO (JP)

International Classes:

G02B1/04; C08K3/00; C08K5/00; C08L29/10; C08L33/16; H01S3/17; (IPC1-7): C08L29/10; C08L33/16; C08F216/14; H01S3/16

Foreign References:

JP2001226313A	2001-08-21
JPH07502731A	1995-03-23
JPH03259103A	1991-11-19
JP2001091758A	2001-04-06
JPS6356610A	1988-03-11

Other References: