Claims
- 1. An optical wave guide for an optical integrated circuit, said optical wave guide including a thin film comprising polytungstic acid having peroxo groups (O.sub.2.sup.2-), said thin film being disposed on a substrate and constituting a light path for said optical integrated circuit.
- 2. An optical wave guide as claimed in claim 1, wherein said polytungstic acid having peroxo groups is a compound represented by the general formula of WO.sub.3.xH.sub.2 O.sub.2.yH.sub.2 O, wherein 0.4.ltoreq.x.ltoreq.0.7 and 2.ltoreq.y.ltoreq.3.
- 3. An optical wave guide as claimed in claim 1, wherein said polytungstic acid having peroxo groups is a compound represented by a molecular formula of H.sub.10 [H.sub.2 W.sub.12 O.sub.37 (O.sub.2).sub.3 (OOH).sub.4 ].nH.sub.2 O, wherein n is within the range of 10 to 40.
- 4. An optical wave guide as claimed in claim 1, wherein said polytungstic acid having peroxo groups contains carbon as a heteroatom.
- 5. An optical wave guide as claimed in claim 4, wherein said polytungstic acid having a peroxo groups and containing carbon as a heteroatom is a compound represented by the general formula of WO.sub.3.xCO.sub.2.yH.sub.2 O.sub.2.zH.sub.2 O, wherein 0.08.ltoreq.x.ltoreq.0.25, 0.05.ltoreq.y.ltoreq.1, and 2.ltoreq.z.ltoreq.3.
- 6. An optical wave guide as claimed in claim 4, wherein said polytungstic acid is a compound wherein 1 to 40 atomic % of W is substituted with at least one element selected from the group consisting of Nb, Ti, Mo, Ta and V.
- 7. An optical wave guide as claimed in claim 1, wherein said polytungstic acid is a compound wherein 1 to 40 atomic % of W is substituted with at least one element selected from the group consisting of Nb, Ti, Mo, Ta, and V.
- 8. An optical wave guide as claimed in claim 1, wherein said substrate is made of a material selected from the group consisting of glass, gallium arsenide and silicon.
- 9. An optical wave guide as claimed in claim 1, wherein said polytungstic acid having peroxo groups has a refractive index of at least 2.
- 10. An optical wave guide as claimed in claim 1, wherein said light path is a light path for a laser beam.
- 11. A transparent optical wave guide for an optical integrated circuit, said wave guide being composed of a thin film of polytungstic acid having peroxo groups (O.sub.2.sup.2-), the thin film constituting a light path.
- 12. A transparent optical wave guide as claimed in claim 11, wherein said polytungstic acid having peroxo groups is a compound represented by the general formula of WO.sub.3.xH.sub.2 O.sub.2.yH.sub.2 O, wherein 0.4.ltoreq.x.ltoreq.0.7 and 2.ltoreq.y.ltoreq.3.
- 13. A transparent optical wave guide as claimed in claim 11, wherein said polytungstic acid having peroxo groups is a compound represented by a molecular formula of H.sub.10 [H.sub.2 W.sub.12 O.sub.37 (O.sub.2).sub.3 (OOH).sub.4 ].nH.sub.2 O, wherein n is within the range of 10 to 40.
- 14. A transparent optical wave guide as claimed in claim 11, wherein said polytungstic acid having peroxo groups contains carbon as a heteroatom.
- 15. A transparent optical wave guide as claimed in claim 14, whrein said polytungstic acid having peroxo groups and containing carbon as a heteroatom is a compound represented by the general formula of WO.sub.3.xCO.sub.2.yH.sub.2 O.sub.2.zH.sub.2 O, wherein 0.08.ltoreq.x.ltoreq.0.25, 0.05.ltoreq.y.ltoreq.1, and 2.ltoreq.z.ltoreq.3.
- 16. A transparent optical wave guide as claimed in claim 14, wherein said polytungstic acid having peroxo groups is a compound wherein 1 to 40 atomic % of W is substituted with at least one element selected from the group consisting of Ni, Ti, Mo, Ta and V.
- 17. A transparent optical wave guide as claimed in claim 11, wherein said polytungstic acid having peroxo groups is a compound wherein 1 to 40 atomic % of W is substituted with at least one element selected from the group consisting of Nb, Ti, Mo, Ta and V.
- 18. A transparent optical wave guide as claimed in claim 11, wherein said light path is a light path for a laser beam.
- 19. A transparent optical wave guide for an optical integrated circuit, the wave guide being composed of a thin film consisting essentially of polytungstic acid having peroxo groups (O.sub.2.sup.2-), the thin film being disposed on a substrate and constituting a light path for said optical integrated circuit.
- 20. A transparent optical wave guide as claimed in claim 19, whrein said light path is a light path for a laser beam.
- 21. An optical wave guide comprising a thin film of polytungstic acid having peroxo groups (O.sub.2.sup.2-), disposed on a substrate and having a thickness of at least 1.8 .mu.m.
- 22. An optical wave guide as claimed in claim 21, wherein the wave guide has a width of 5-100 .mu.m.
- 23. A transparent optical wave guide comprising a thin film of polytungstic acid having peroxo groups (O.sub.2.sup.2-), the thin film having a thickness of at least 1.8 .mu.m.
- 24. A transparent optical wave guide as claimed in claim 23, wherein the wave guide has a width of 5-100 .mu.m.
- 25. An optical wave guide as claimed in claim 1, wherein the polytungstic acid having peroxo groups is an amorphous solid.
- 26. An optical wave guide as claimed in claim 1, wherein the optical wave guide is a lens, said lens being composed of said thin film of polytungstic acid having peroxo groups (O.sub.2.sup.2-).
- 27. An optical wave guide as claimed in claim 1, wherein the optical wave guide is a prism, said prism being composed of said thin film of polytungstic acid having peroxo groups (O.sub.2.sup.2-).
- 28. A transparent optical wave guide as claimed in claim 11, wherein the polytungstic acid having peroxo groups is an amorphous solid.
- 29. A transparent optical wave guide as claimed in claim 11, wherein the transparent optical wave guide is a lens, said lens being composed of said thin film of polytungstic acid having peroxo groups (O.sub.2.sup.2-).
- 30. A transparent optical wave guide as claimed in claim 11, wherein the transparent optical wave guide is a prism, said prism being composed of said thin film of polytungstic acid having peroxo groups (O.sub.2.sup.2-).
- 31. A transparent optical wave guide as claimed in claim 19, wherein the polytungstic acid having peroxo groups is an amorphous solid.
- 32. A transparent optical wave guide as claimed in claim 19, wherein the transparent optical waveguide is a lens, said lens being composed of said thin film consisting essentially of polytungstic acid having peroxo groups (O.sub.2.sup.2-).
- 33. A transparent optical wave guide as claimed in claim 19, wherein the transparent optical wave guide is a prism, said prism being composed of said thin film of polytungstic acid having peroxo groups (O.sub.2.sup.2-).
- 34. An optical wave guide as claimed in claim 21, wherein the polytungstic acid having peroxo groups is an amorphous solid.
- 35. An optical wave guide as claimed in claim 21, wherein the optical wave guide is a lens, said lens being composed of said thin film of polytungstic acid having peroxo groups (O.sub.2.sup.2-).
- 36. An optical wave guide as claimed in claim 21, wherein the optical wave guide is a prism, said prism being composed of said thin film of polytungstic acid having peroxo groups (O.sub.2.sup.2-).
- 37. A transparent optical wave guide as claimed in claim 23, wherein the polytungstic acid having peroxo groups is an amorphous solid.
- 38. A transparent optical wave guide as claimed in claim 23, wherein the transparent optical wave guide is a lens, said lens being composed of said thin film of polytungstic acid having peroxo groups (O.sub.2.sup.2-).
- 39. A transparent optical wave guide as claimed in claim 23, whrein the transparent optical wave guide is a prism, said prism being composed of said thin film of polytungstic acid having peroxo groups (O.sub.2.sup.2-).
Priority Claims (1)
Number |
Date |
Country |
Kind |
61-209449 |
Sep 1986 |
JPX |
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Parent Case Info
This application is a File Wraper continuing application of application Ser. No. 07/093,629, filed Sept. 8, 1987.
US Referenced Citations (13)
Foreign Referenced Citations (2)
Number |
Date |
Country |
2759117 |
Jul 1979 |
DEX |
60-251130 |
Dec 1985 |
JPX |
Non-Patent Literature Citations (3)
Entry |
Heslop, Inorg. Chem. Elsevier Publ. Co., pp. 448-449, 1960. |
Kirk-Othmer Encyclopedia of Chemical Technology, 3rd Ed., vol. 17, 1982, pp. 20-21. |
Bailar, Comphrehensive Inorg. Chemistry, Pergamon Press, p. 769, 1974. |
Continuations (1)
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Number |
Date |
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Parent |
93629 |
Sep 1987 |
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