JPH0293745U - - Google Patents
Info
- Publication number
- JPH0293745U JPH0293745U JP306689U JP306689U JPH0293745U JP H0293745 U JPH0293745 U JP H0293745U JP 306689 U JP306689 U JP 306689U JP 306689 U JP306689 U JP 306689U JP H0293745 U JPH0293745 U JP H0293745U
- Authority
- JP
- Japan
- Prior art keywords
- optical waveguide
- optical
- refractometer
- substrate
- vicinity
- 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
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
Description
第１図は、本考案の第１実施例に係る屈折計の
概略図、であり、第２図は同断面図、であり、第
３図は結合部分の図、であり、第４図は、従来の
屈折計を示す概略図、であり、第５図は従来の屈
折計の断面図であり、第６図は従来の屈折計の測
定状態を示す概略図である。
１…光導波路、２…基板、３…センシング部、
４…光フアイバ、５…バツフア層、６…ミラー、
７…試料。
FIG. 1 is a schematic diagram of a refractometer according to a first embodiment of the present invention, FIG. 2 is a cross-sectional view of the same, FIG. 3 is a diagram of a connecting part, and FIG. , a schematic diagram showing a conventional refractometer, FIG. 5 is a cross-sectional view of the conventional refractometer, and FIG. 6 is a schematic diagram showing a measurement state of the conventional refractometer. 1... Optical waveguide, 2... Substrate, 3... Sensing section,
4... Optical fiber, 5... Buffer layer, 6... Mirror,
7...Sample.
Claims (1)
してなる光方向性結合器と、上記光導波路の一端
より光を入射する手段と、上記光導波路の他端よ
り出射される光の強度を計測する手段とを有し、
上記光導波路の近接部分に介装された試料の屈料
の屈折率を計測することを特徴とする屈折計。 An optical directional coupler comprising two optical waveguides, some of which are arranged close to each other on a substrate, a means for inputting light from one end of the optical waveguide, and an intensity of light emitted from the other end of the optical waveguide. and a means for measuring the
A refractometer, characterized in that it measures the refractive index of a refractive material of a sample interposed in the vicinity of the optical waveguide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP306689U JPH0293745U (en) | 1989-01-13 | 1989-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP306689U JPH0293745U (en) | 1989-01-13 | 1989-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0293745U true JPH0293745U (en) | 1990-07-25 |
Family
ID=31204372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP306689U Pending JPH0293745U (en) | 1989-01-13 | 1989-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0293745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0658878A (en) * | 1992-08-05 | 1994-03-04 | Japan Energy Corp | Sensor and method for judging liquid property |
-
1989
- 1989-01-13 JP JP306689U patent/JPH0293745U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0658878A (en) * | 1992-08-05 | 1994-03-04 | Japan Energy Corp | Sensor and method for judging liquid property |
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