JPS6375820U - - Google Patents
Info
- Publication number
- JPS6375820U JPS6375820U JP16972686U JP16972686U JPS6375820U JP S6375820 U JPS6375820 U JP S6375820U JP 16972686 U JP16972686 U JP 16972686U JP 16972686 U JP16972686 U JP 16972686U JP S6375820 U JPS6375820 U JP S6375820U
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical filter
- photodetector
- passed
- receives
- 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
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Radiation Pyrometers (AREA)
Description
第１図は本考案の一実施例を示す縦断面図、第
２図は第１図に示す実施例の検知感度特性図、第
３図は従来の一例を示す縦断面図、第４図は第３
図に示す従来例の検知感度特性図である。
１…真空容器、２…透過窓、３，４…光検知素
子、５…光学フイルタ、６…冷媒、７，８，８′
…受光感度、９，１０，１０′…受光帯域。
Fig. 1 is a longitudinal sectional view showing an embodiment of the present invention, Fig. 2 is a detection sensitivity characteristic diagram of the embodiment shown in Fig. 1, Fig. 3 is a longitudinal sectional view showing a conventional example, and Fig. 4 is a longitudinal sectional view showing an embodiment of the present invention. Third
It is a detection sensitivity characteristic diagram of the conventional example shown in the figure. DESCRIPTION OF SYMBOLS 1... Vacuum container, 2... Transmission window, 3, 4... Photodetection element, 5... Optical filter, 6... Refrigerant, 7, 8, 8'
... Light receiving sensitivity, 9, 10, 10'... Light receiving band.
Claims (1)
内に収めてあり前記透過窓を透過した光を受ける
第１の光検知素子と、前記透過窓および前記第１
の検知素子を透過した光を受ける光学フイルタと
、前記光学フイルタを透過した光を受ける第２の
光検知素子とを含むことを特徴とする光検知器。 a vacuum container having a light transmission window; a first photodetecting element housed in the vacuum container and receiving light transmitted through the transmission window;
A photodetector comprising: an optical filter that receives the light that has passed through the detection element; and a second photodetector that receives the light that has passed through the optical filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16972686U JPS6375820U (en) | 1986-11-04 | 1986-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16972686U JPS6375820U (en) | 1986-11-04 | 1986-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6375820U true JPS6375820U (en) | 1988-05-20 |
Family
ID=31103798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16972686U Pending JPS6375820U (en) | 1986-11-04 | 1986-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6375820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014134402A (en) * | 2013-01-08 | 2014-07-24 | Fujitsu Ltd | Infrared sensor and temperature compensation method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55121125A (en) * | 1979-03-12 | 1980-09-18 | Kureha Chem Ind Co Ltd | Beam detecting and beam visualizing method |
-
1986
- 1986-11-04 JP JP16972686U patent/JPS6375820U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55121125A (en) * | 1979-03-12 | 1980-09-18 | Kureha Chem Ind Co Ltd | Beam detecting and beam visualizing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014134402A (en) * | 2013-01-08 | 2014-07-24 | Fujitsu Ltd | Infrared sensor and temperature compensation method |