JPS6249749U - - Google Patents
Info
- Publication number
- JPS6249749U JPS6249749U JP14084985U JP14084985U JPS6249749U JP S6249749 U JPS6249749 U JP S6249749U JP 14084985 U JP14084985 U JP 14084985U JP 14084985 U JP14084985 U JP 14084985U JP S6249749 U JPS6249749 U JP S6249749U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- output
- laser diode
- receives
- input
- 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
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Testing Of Individual Semiconductor Devices (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Description
第１図はこの考案による実施例の構成図、第２
図は従来装置の構成図。
１……レーザダイオード、２……ホトダイオー
ド、３……Ｉ／Ｖ増幅器、４……積分増幅器、５
……Ｖ／Ｉ増幅器、６……電流設定器、７……ス
イツチ、８……スイツチ。
Figure 1 is a configuration diagram of an embodiment according to this invention, Figure 2
The figure is a configuration diagram of a conventional device. 1... Laser diode, 2... Photodiode, 3... I/V amplifier, 4... Integrating amplifier, 5
...V/I amplifier, 6...current setting device, 7...switch, 8...switch.
Claims (1)
イオードと、前記ホトダイオードの出力を入力と
するＩ／Ｖ増幅器と、前記Ｉ／Ｖ増幅器の出力を
入力とする積分増幅器と、前記積分増幅器の出力
を入力とし、その出力を前記レーザダイオードに
加えるＶ／Ｉ増幅器とを前記レーザダイオードと
前記ホトダイオードの光結合を介して負帰還ルー
プになるように接続したレーザダイオードの発光
特性測定装置において、 前記積分増幅器の入出力を短絡するように接続
する第１のスイツチと、前記レーザダイオードの
端子間を短絡するように接続する第２のスイツチ
とを備え、第１のスイツチと第２のスイツチとを
連動してオンオフすることを特徴とするレーザダ
イオードの発光特性測定装置。[Claims for Utility Model Registration] A photodiode that receives the light emission output of a laser diode, an I/V amplifier that receives the output of the photodiode as an input, an integrating amplifier that receives the output of the I/V amplifier as an input, and the integrating amplifier that receives the output of the I/V amplifier as an input. In a laser diode emission characteristic measuring device, a V/I amplifier that receives the output of an amplifier and applies the output to the laser diode is connected to form a negative feedback loop through optical coupling between the laser diode and the photodiode. , a first switch connected to short-circuit the input and output of the integrating amplifier, and a second switch connected to short-circuit the terminals of the laser diode, the first switch and the second switch A device for measuring the emission characteristics of a laser diode, characterized in that it is turned on and off in conjunction with the .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14084985U JPH0249557Y2 (en) | 1985-09-14 | 1985-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14084985U JPH0249557Y2 (en) | 1985-09-14 | 1985-09-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6249749U true JPS6249749U (en) | 1987-03-27 |
| JPH0249557Y2 JPH0249557Y2 (en) | 1990-12-27 |
Family
ID=31048083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14084985U Expired JPH0249557Y2 (en) | 1985-09-14 | 1985-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0249557Y2 (en) |
-
1985
- 1985-09-14 JP JP14084985U patent/JPH0249557Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0249557Y2 (en) | 1990-12-27 |