JPH0161626U - - Google Patents
Info
- Publication number
- JPH0161626U JPH0161626U JP15821887U JP15821887U JPH0161626U JP H0161626 U JPH0161626 U JP H0161626U JP 15821887 U JP15821887 U JP 15821887U JP 15821887 U JP15821887 U JP 15821887U JP H0161626 U JPH0161626 U JP H0161626U
- Authority
- JP
- Japan
- Prior art keywords
- light receiving
- light
- division circuit
- receiving element
- intensity
- 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 7
- 230000003595 spectral effect Effects 0.000 claims description 7
- 230000035945 sensitivity Effects 0.000 claims description 4
- 238000002834 transmittance Methods 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Description
第１図は、この考案の装置の一実施態様を示す
概略ブロツク図、第２図は、受光素子の分光感度
を示すグラフ、第３図は、光学フイルタの分光透
過率を示すグラフ、第４図は、測定側受光器の分
光感度を示すグラフ、第５図は、参照側受光器の
出力Ｖｓと測定側受光器の出力Ｖｍとの比Ｖｍ／
Ｖｓと、紫外域の光の強度Ｉとの関係を示すグラ
フである。
１：割算回路、２：シリコンホトダイオード（
受光素子）、３：参照側受光器、４：シリコンホ
トダイオード（受光素子）、５：光学フイルタ、
６：測定側受光器、７：演算回路、８：液晶表示
素子。
Fig. 1 is a schematic block diagram showing one embodiment of the device of this invention, Fig. 2 is a graph showing the spectral sensitivity of the light receiving element, Fig. 3 is a graph showing the spectral transmittance of the optical filter, and Fig. 4 is a graph showing the spectral transmittance of the optical filter. The figure is a graph showing the spectral sensitivity of the measuring side optical receiver, and Fig. 5 is the ratio Vm/of the output Vs of the reference side optical receiver and the output Vm of the measuring side optical receiver.
It is a graph showing the relationship between Vs and the intensity I of light in the ultraviolet region. 1: Divide circuit, 2: Silicon photodiode (
3: Reference side light receiver, 4: Silicon photodiode (light receiving element), 5: Optical filter,
6: Measurement side light receiver, 7: Arithmetic circuit, 8: Liquid crystal display element.
Claims (1)
照側受光器と、前記受光素子と同一の分光感度を
有する受光素子の受光面に、紫外域の光の強度に
応じて可視域の分光透過率が変化するホトクロミ
ツク材料からなる光学フイルタを配置してなる測
定側受光器と、前記参照側受光器および測定側受
光器に接続して設けた割算回路と、前記割算回路
に接続して設けた、前記割算回路の出力に基いて
紫外域における光の強度を演算する回路と、を備
えていることを特徴とする紫外線測定装置。 A reference side light receiver consisting of a light receiving element having spectral sensitivity in the visible range, and a light receiving surface of the light receiving element having the same spectral sensitivity as the light receiving element, have a spectral transmittance in the visible range depending on the intensity of light in the ultraviolet range. a measurement-side photodetector in which an optical filter made of a variable photochromic material is arranged; a division circuit connected to the reference-side photodetector and the measurement-side photodetector; and a division circuit provided connected to the division circuit. , and a circuit that calculates the intensity of light in the ultraviolet region based on the output of the division circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15821887U JPH0161626U (en) | 1987-10-15 | 1987-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15821887U JPH0161626U (en) | 1987-10-15 | 1987-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0161626U true JPH0161626U (en) | 1989-04-19 |
Family
ID=31438346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15821887U Pending JPH0161626U (en) | 1987-10-15 | 1987-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0161626U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04106790U (en) * | 1991-02-28 | 1992-09-14 | ナイルス部品株式会社 | weather detection device |
| WO2014002591A1 (en) * | 2012-06-27 | 2014-01-03 | シャープ株式会社 | Ultraviolet detection device and electronic apparatus |
| JP2017201314A (en) * | 2017-06-14 | 2017-11-09 | 国立大学法人九州工業大学 | Ultraviolet amount measurement device and ultraviolet amount measurement system |
-
1987
- 1987-10-15 JP JP15821887U patent/JPH0161626U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04106790U (en) * | 1991-02-28 | 1992-09-14 | ナイルス部品株式会社 | weather detection device |
| WO2014002591A1 (en) * | 2012-06-27 | 2014-01-03 | シャープ株式会社 | Ultraviolet detection device and electronic apparatus |
| JP2017201314A (en) * | 2017-06-14 | 2017-11-09 | 国立大学法人九州工業大学 | Ultraviolet amount measurement device and ultraviolet amount measurement system |
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