Claims
- 1. An optical waveguide comprising a core portion and a clad portion, wherein at least one of the core portion and clad portion is obtained from a cured article produced by curing a curable fluorine-containing prepolymer (I) which:
(1) is a non-crystalline polymer having a fluorine content of not less than 25% by weight and (2) has a carbon-carbon double bond in the polymer side chain and/or at an end of the polymer trunk chain.
- 2. The optical waveguide of claim 1, wherein the fluorine-containing prepolymer (I) is a polymer having a maximum absorption coefficient of not more than 1 cm−1 in a wavelength range of from 1,290 to 1,320 nm.
- 3. The optical waveguide of claim 1, wherein the fluorine-containing prepolymer (I) is a polymer having a maximum absorption coefficient of not more than 1 cm−1 in a wavelength range of from 1,530 to 1,570 nm.
- 4. The optical waveguide of claim 1, wherein the fluorine-containing prepolymer (I) has a carbon-carbon double bond at an end of its side chain.
- 5. The optical waveguide of claim 1, wherein the fluorine-containing prepolymer (I) is a fluorine-containing polymer having a number average molecular weight of from 500 to 1,000,000 and represented by the formula (1):
- 6. The optical waveguide of claim 5, wherein the fluorine-containing prepolymer (I) is the fluorine-containing polymer of the formula (1) and the structural unit M is a structural unit M1 derived from a fluorine-containing ethylenic monomer and represented by the formula (M1):
- 7. The optical waveguide of claim 5, wherein the fluorine-containing prepolymer (I) is the fluorine-containing polymer of the formula (1) and the structural unit M is a structural unit M2 derived from a fluorine-containing ethylenic monomer and represented by the formula (M2):
- 8. The optical waveguide of claim 5, wherein the fluorine-containing prepolymer (I) is the fluorine-containing polymer of the formula (1) and the structural unit M is a structural unit M3 derived from a fluorine-containing ethylenic monomer and represented by the formula (M3):
- 9. The optical waveguide of claim 5, wherein at least one of Y1 of Rf in said formula (M) is bonded to an end of Rf.
- 10. The optical waveguide of claim 9, wherein Y1 of Rf in said formula (M) is:
- 11. The optical waveguide of claim 9, wherein Y1 of Rf in said formula (M) is:
- 12. The optical waveguide of claim 1, wherein a maximum absorption coefficient of the cured article is not more than 1 cm−1 in a wavelength range of from 1,290 to 1,320 nm.
- 13. The optical waveguide of claim 1, wherein a maximum absorption coefficient of the cured article is not more than 1 cm−1 in a wavelength range of from 1,530 to 1,570 nm.
- 14. An optical waveguide type functional device comprising a core portion and a clad portion, wherein at least one of the core portion and clad portion is obtained from a cured article produced by curing a curable fluorine-containing prepolymer (I) which:
(1) is a non-crystalline polymer having a fluorine content of not less than 25% by weight and (2) has a carbon-carbon double bond in the polymer side chain and/or at an end of the polymer trunk chain.
- 15. The optical waveguide type functional device of claim 14, wherein the fluorine-containing prepolymer (I) is a polymer having a maximum absorption coefficient of not more than 1 cm−1 in a wavelength range of from 1,290 to 1,320 nm.
- 16. The optical waveguide type functional device of claim 14, wherein the fluorine-containing prepolymer (I) is a polymer having a maximum absorption coefficient of not more than 1 cm−1 in a wavelength range of from 1,530 to 1,570 nm.
- 17. The optical waveguide type functional device of claim 14, wherein the fluorine-containing prepolymer (I) has a carbon-carbon double bond at an end of its side chain.
- 18. The optical waveguide type functional device of claim 14, wherein the fluorine-containing prepolymer (I) is a fluorine-containing polymer having a number average molecular weight of from 500 to 1,000,000 and represented by the formula (1):
- 19. The optical waveguide type functional device of claim 18, wherein the fluorine-containing prepolymer (I) is the fluorine-containing polymer of the formula (1) and the structural unit M is a structural unit M1 derived from a fluorine-containing ethylenic monomer and represented by the formula (M1):
- 20. The optical waveguide type functional device of claim 18, wherein the fluorine-containing prepolymer (I) is the fluorine-containing polymer of the formula (1) and the structural unit M is a structural unit M2 derived from a fluorine-containing ethylenic monomer and represented by the formula (M2):
- 21. The optical waveguide type functional device of claim 18, wherein the fluorine-containing prepolymer (I) is the fluorine-containing polymer of the formula (1) and the structural unit M is a structural unit M3 derived from a fluorine-containing ethylenic monomer and represented by the formula (M3):
- 22. The optical waveguide type functional device of claim 18, wherein at least one of Y1 of Rf in said formula (M) is bonded to an end of Rf.
- 23. The optical waveguide type functional device of claim 22, wherein Y1 of Rf in said formula (M) is:
- 24. The optical waveguide type functional device of claim 22, wherein Y1 of Rf in said formula (M) is:
- 25. The optical waveguide type functional device of claim 14, wherein a maximum absorption coefficient of the cured article is not more than 1 cm−1 in a wavelength range of from 1,290 to 1,320 nm.
- 26. The optical waveguide type functional device of claim 14, wherein a maximum absorption coefficient of the cured article is not more than 1 cm−1 in a wavelength range of from 1,530 to 1,570 nm.
- 27. An optical waveguide device produced by connecting the optical functional devices with the optical waveguide of claim 1.
- 28. A method of producing an optical waveguide device comprising the following steps (A) to (C):
(A) a step for forming a clad portion on a substrate, (B) a step for forming, on said clad portion, a film of fluorine-containing waveguide material comprising a curable fluorine-containing prepolymer (I) which:
(1) is a non-crystalline polymer having a fluorine content of not less than 25% by weight and (2) has a carbon-carbon double bond in the polymer side chain and/or at an end of the polymer trunk chain and an active energy curing initiator (II), and (C) a step for forming a core portion comprising a cured article of the fluorine-containing prepolymer (I) by irradiating the film of fluorine-containing waveguide material with active energy ray.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2001-64772 |
Aug 2001 |
JP |
|
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This is a continuation-in-part of PCT international application No. PCT/JPO2/01771 filed on Feb. 27, 2002 pending.
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
PCT/JP02/01771 |
Feb 2002 |
US |
Child |
10654911 |
Sep 2003 |
US |