JPH0289332U - - Google Patents
Info
- Publication number
- JPH0289332U JPH0289332U JP17146388U JP17146388U JPH0289332U JP H0289332 U JPH0289332 U JP H0289332U JP 17146388 U JP17146388 U JP 17146388U JP 17146388 U JP17146388 U JP 17146388U JP H0289332 U JPH0289332 U JP H0289332U
- Authority
- JP
- Japan
- Prior art keywords
- light
- sensor
- branching coupler
- optical
- optical branching
- 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 9
- 239000013307 optical fiber Substances 0.000 claims description 6
- 238000000206 photolithography Methods 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Description
第１図は、１個の発光部及び１個の受光素子を
光フアイバで１×２光分岐結合器と接続し、１個
の受光素子をセンサ部を有する光フアイバで該１
×２光分岐結合器と接続した参照光付き音響セン
サの構成図、第２図は、２個の発光部及び１個の
受光素子を光フアイバで２×３光分岐結合器と接
続し、２個の受光素子を２本の各々別のセンサ部
を有する光フアイバで該２×３光分岐結合器と接
続した参照光付き温度センサの構成図である。
１……発光部、２……光フアイバ、３……光分
岐結合器、４……音響センサ部、５……参照光用
受光素子、６……受光素子、７……温度によつて
透過率が変化するセンサ部。
In Figure 1, one light emitting section and one light receiving element are connected to a 1x2 optical branching coupler using an optical fiber, and one light receiving element is connected to an optical fiber having a sensor section.
Figure 2 is a block diagram of an acoustic sensor with a reference light connected to a 2 x 3 optical branching coupler. FIG. 2 is a configuration diagram of a temperature sensor with a reference light in which two light receiving elements are connected to the 2×3 optical branching coupler using two optical fibers each having a separate sensor section. DESCRIPTION OF SYMBOLS 1... Light emitting part, 2... Optical fiber, 3... Optical branching coupler, 4... Acoustic sensor part, 5... Light receiving element for reference light, 6... Light receiving element, 7... Transmitted by temperature Sensor part where the rate changes.
Claims (1)
部を有するセンサにおいて、少なくとも一つの受
光素子が光フアイバで光分岐結合器と接続され、
それ以外の受光素子が間にセンサ部を介して光フ
アイバで該光分岐結合器と接続され、更に発光部
の光が該光分岐結合器に導入されたことを特徴と
する参照光付きセンサ。 (2) 光分岐結合器が、感光性樹脂のフオトリソ
グラフにより形成された光導波路により構成され
ていることを特徴とする請求項(1)の参照光付き
センサ。[Claims for Utility Model Registration] (1) In a sensor having a plurality of light-receiving elements and one or more light-emitting parts, at least one light-receiving element is connected to an optical branching coupler with an optical fiber,
A sensor with a reference light, characterized in that other light receiving elements are connected to the optical branching coupler with an optical fiber through a sensor section, and further, light from a light emitting section is introduced into the optical branching coupler. (2) The sensor with a reference light according to claim 1, wherein the optical branching coupler is constituted by an optical waveguide formed by photolithography of a photosensitive resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17146388U JPH0289332U (en) | 1988-12-27 | 1988-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17146388U JPH0289332U (en) | 1988-12-27 | 1988-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0289332U true JPH0289332U (en) | 1990-07-16 |
Family
ID=31463318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17146388U Pending JPH0289332U (en) | 1988-12-27 | 1988-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0289332U (en) |
-
1988
- 1988-12-27 JP JP17146388U patent/JPH0289332U/ja active Pending
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