JPS6444436U - - Google Patents
Info
- Publication number
- JPS6444436U JPS6444436U JP14026487U JP14026487U JPS6444436U JP S6444436 U JPS6444436 U JP S6444436U JP 14026487 U JP14026487 U JP 14026487U JP 14026487 U JP14026487 U JP 14026487U JP S6444436 U JPS6444436 U JP S6444436U
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving
- receiving element
- receiving section
- light receiving
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Description
第１図は本考案の一実施例を示す構成図、第２
図ａ，ｂは受光素子の分光感度特性にフイルタの
相対透過率を重ね一定の出力を得るための説明図
、第３，４，５図は受光素子の分光感度特性を示
す図である。
１……受光装置、１ａ……第１の受光部、１ｂ
……第２の受光部、２……ビームスプリツタ、３
１，３２……波長フイルタ、４１〜４４……第１
〜第４の受光素子、５１〜５４……増幅器、６１
……演算装置。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
Figures a and b are explanatory diagrams for superimposing the relative transmittance of the filter on the spectral sensitivity characteristics of the light-receiving element to obtain a constant output, and Figures 3, 4, and 5 are diagrams showing the spectral sensitivity characteristics of the light-receiving element. 1... Light receiving device, 1a... First light receiving section, 1b
...Second light receiving section, 2...Beam splitter, 3
1, 32...wavelength filter, 41-44...first
~Fourth light receiving element, 51-54...Amplifier, 61
...A computing device.
Claims (1)
分岐手段からの一方の光を受光する第１の受光部
と、前記分岐手段からの他方の光を受光する第２
の受光部と、前記第１、第２の受光部からの電気
信号のそれぞれを増幅する増幅器と、これら増幅
器からの出力信号を入力し、被測定光の光パワー
および波長を演算する演算装置からなり、前記第
１の受光部は短波長用の第１の受光素子およびこ
の第１の受光素子の後方に配置され、透過した長
波長を受光する第２の受光素子からなり、前記第
２の受光部は短波長用の第１のフイルタと短波長
用の第３の受光素子および長波長用の第２のフイ
ルタと長波長用の第４の受光素子が順次配置され
てなることを特徴とする光パワーメータ。 means for branching the light to be measured into two directions; a first light receiving section for receiving one light from the branching means; and a second light receiving section for receiving the other light from the branching means.
a light receiving section, an amplifier that amplifies each of the electrical signals from the first and second light receiving sections, and an arithmetic device that inputs the output signals from these amplifiers and calculates the optical power and wavelength of the light to be measured. The first light-receiving section includes a first light-receiving element for short wavelengths and a second light-receiving element disposed behind the first light-receiving element to receive transmitted long wavelength light, and The light receiving section is characterized in that a first filter for short wavelengths, a third light receiving element for short wavelengths, a second filter for long wavelengths, and a fourth light receiving element for long wavelengths are sequentially arranged. Optical power meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14026487U JPH0512743Y2 (en) | 1987-09-14 | 1987-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14026487U JPH0512743Y2 (en) | 1987-09-14 | 1987-09-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6444436U true JPS6444436U (en) | 1989-03-16 |
| JPH0512743Y2 JPH0512743Y2 (en) | 1993-04-02 |
Family
ID=31404275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14026487U Expired - Lifetime JPH0512743Y2 (en) | 1987-09-14 | 1987-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0512743Y2 (en) |
-
1987
- 1987-09-14 JP JP14026487U patent/JPH0512743Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0512743Y2 (en) | 1993-04-02 |
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