JPH02113134U - - Google Patents
Info
- Publication number
- JPH02113134U JPH02113134U JP2070789U JP2070789U JPH02113134U JP H02113134 U JPH02113134 U JP H02113134U JP 2070789 U JP2070789 U JP 2070789U JP 2070789 U JP2070789 U JP 2070789U JP H02113134 U JPH02113134 U JP H02113134U
- Authority
- JP
- Japan
- Prior art keywords
- optical sensor
- light
- photodetector
- peak
- oriented
- 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 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Description
第１図は本考案の一実施例を示す要部の断面図
、第２図は作用を示す説明図、第３図は波長対透
過率のグラフ、第４図は従来例を示す断面図であ
る。
１…光検出器、３…光検出素子、５…ホログラ
ム素子。
Fig. 1 is a sectional view of the main part showing an embodiment of the present invention, Fig. 2 is an explanatory diagram showing the operation, Fig. 3 is a graph of wavelength versus transmittance, and Fig. 4 is a sectional view showing a conventional example. be. 1... Photodetector, 3... Photodetecting element, 5... Hologram element.
Claims (1)
ンサと、この光センサの光検出面に設けられ所望
の角度に向きかつ所定の波長でピークを有するホ
ログラム素子とを備えたことを特徴とする光検出
器。 It is characterized by comprising an optical sensor that detects light and whose characteristics change according to the light, and a hologram element that is provided on the optical detection surface of the optical sensor and is oriented at a desired angle and has a peak at a predetermined wavelength. photodetector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2070789U JPH02113134U (en) | 1989-02-25 | 1989-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2070789U JPH02113134U (en) | 1989-02-25 | 1989-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02113134U true JPH02113134U (en) | 1990-09-11 |
Family
ID=31237301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2070789U Pending JPH02113134U (en) | 1989-02-25 | 1989-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02113134U (en) |
-
1989
- 1989-02-25 JP JP2070789U patent/JPH02113134U/ja active Pending