JPS6113802U - optical circuit - Google Patents
optical circuitInfo
- Publication number
- JPS6113802U JPS6113802U JP9814284U JP9814284U JPS6113802U JP S6113802 U JPS6113802 U JP S6113802U JP 9814284 U JP9814284 U JP 9814284U JP 9814284 U JP9814284 U JP 9814284U JP S6113802 U JPS6113802 U JP S6113802U
- Authority
- JP
- Japan
- Prior art keywords
- optical circuit
- refractive index
- optical
- waveguide
- optical waveguide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は本考案の一実施例を示す光回路の断面図、第2
図は、第1図に示した光回路の製作工程を説明するため
の基板の断面図、第3図は第1図に示した光回路の製作
工程を説明するための先導波路上に設定したメタルマス
クの平面図、第4図は本考案の一例を示す周波数変調器
の平面図、第5図および第6図は該周波数変調器の製作
に用いるメタルマスクの平面図である。
100,400:ニオブ酸リチウム基板、120,12
1:低屈折率差のチタン拡散光導波路、130:高屈折
率差のチタン拡散先導波器、”150,410,411
:ジオデシックレンズ、180,181,430,43
1:単一モード光ファイバ、200.250:チタン膜
、300,510.610:メタルマスク、420:超
音波トランスジューサ、450:チタン拡散光導波路、
470,471:光導波路450の端面、80o:発散
光、810:平行光、820:収束光。Figure 1 is a cross-sectional view of an optical circuit showing one embodiment of the present invention;
The figure is a cross-sectional view of the board to explain the manufacturing process of the optical circuit shown in Figure 1, and Figure 3 is a cross-sectional view of the board set on the leading waveguide to explain the manufacturing process of the optical circuit shown in Figure 1. FIG. 4 is a plan view of a frequency modulator showing an example of the present invention, and FIGS. 5 and 6 are plan views of metal masks used for manufacturing the frequency modulator. 100,400: Lithium niobate substrate, 120,12
1: Titanium diffused optical waveguide with low refractive index difference, 130: Titanium diffused waveguide with high refractive index difference, "150, 410, 411
: Geodesic lens, 180, 181, 430, 43
1: Single mode optical fiber, 200.250: Titanium film, 300, 510.610: Metal mask, 420: Ultrasonic transducer, 450: Titanium diffused optical waveguide,
470, 471: End face of optical waveguide 450, 80o: Divergent light, 810: Parallel light, 820: Convergent light.
Claims (1)
る光回路において、前記ジオデシンクレンズの存在する
部分およびその近傍の光導波路の屈折率が、前記ジオデ
シツクレンズの存在する部分およびその近傍を除いた光
導波路の屈折率より2高くなるように形成されているこ
とを特徴とする光回路。In an optical circuit including at least a geodesic lens and a leading waveguide, the refractive index of the optical waveguide in the portion where the geodesic lens exists and the vicinity thereof is such that the refractive index of the optical waveguide in the portion where the geodesic lens exists and the vicinity thereof An optical circuit characterized in that the optical circuit is formed to have a refractive index 2 higher than the refractive index of the optical waveguide from which it is removed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9814284U JPS6113802U (en) | 1984-06-29 | 1984-06-29 | optical circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9814284U JPS6113802U (en) | 1984-06-29 | 1984-06-29 | optical circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6113802U true JPS6113802U (en) | 1986-01-27 |
Family
ID=30657692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9814284U Pending JPS6113802U (en) | 1984-06-29 | 1984-06-29 | optical circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6113802U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62297806A (en) * | 1986-06-18 | 1987-12-25 | Nec Corp | Production of waveguide type plane optical circuit |
-
1984
- 1984-06-29 JP JP9814284U patent/JPS6113802U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62297806A (en) * | 1986-06-18 | 1987-12-25 | Nec Corp | Production of waveguide type plane optical circuit |
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