Rof-QPD series APD/PIN Photodetector Four-quadrant photoelectric detection module 4 quadrant Photodetector
Feature
l Spectral range 400~1700nm
l Fast response speed
l Optional photosensitive surface
l Integrate 4 independent amplification circuits
l Low noise
l Compact structure
l Single power supply
Application
l Laser collimation
l Laser guidance
l Space optical communication
l High precision angle measurement
Parameters
| Product Type |
Four quadrant PIN optical detection module |
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| Parameter |
R-QPD-B-20K |
R-QPD-B-20M |
R-QPD-A-20K |
R-QPD-A-20M |
| Detector type |
Si/PIN |
InGaAs/ PIN |
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| Light input |
Free Space |
Free Space |
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| Wavelength range |
400~1100nm |
800~ 1700nm |
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| Responsiveness |
0.64A/W@900nm |
0.9A/W@1550nm |
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| Diameter of photosensitive surface |
7.98mm |
3mm |
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| Unit gap |
42um |
45um |
45um |
|
| Bandwidth (3dB)* |
>20KHz |
>20MHz |
>20KHz |
>20MHz |
| Conversion gain* |
100K V/W@900nm |
2.5K V/W@900nm |
10KV/W@ 1060 nm |
10K V/W@ 1060 nm |
| Rise time |
17us |
35ns |
17us |
18ns |
| Saturated optical power* |
50uW |
2mW |
0.5mW |
0.5mW |
| Coupling method |
DC coupling |
DC coupling |
DC/AC coupling |
|
| Output impedance |
50Ω |
50Ω |
50Ω |
|
| Total output noise voltage* |
<1mVpp |
<5mVpp |
<2mVpp |
<30mVpp |
| Maximum output voltage |
5V |
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| Operating voltage |
DC 12V @<150mA |
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| Signal output port |
J30J DB15 connector, equipped with adapter board to SMA interface |
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| Size |
58x42x20mm |
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Optional accessories
| Indicator | Parameter |
| Number of channels | four |
| Maximum input signal bandwidth | 10KHz |
| sampling rate | Maximum 4K SPS |
| Data update frequency | Typical 10Hz, maximum 4KHz |
| Input voltage range | ±5V |
| ADC bits | 16bit |
| ADC conversion nonlinearity | ±0.2 LSB |
| Data transmission interface | Default USB 2.0, optional RS232 |
| power supply voltage | +5V, mini USB interface |
| power consumption | <1W |
| Operating temperature | -10℃~+50℃ |
| Storage temperature | -20℃~+80℃ |
| Mechanical dimensions | 90mm*70mm*16mm |
Curve
Characteristic curve
Ordering information
| ROF | QPD | X | X |
| Four-quadrant photodetector | Detector type：APD PIN | Response wavelength：A-400-1100nm
B-800-1700nm |
* please contact our seller if you have special requirements
About Us
At Rofea Optoelectronics, we offer a diverse range of electro-optic products to meet your needs, including commercial modulators, laser sources, photodetectors, optical amplifiers, and more.
Our product line is characterized by its excellent performance, high efficiency, and versatility. We take pride in offering customization options to meet unique requests, adhering to specific specifications, and providing exceptional service to our clients.
We're proud to have been named a Beijing high-tech enterprise in 2016, and our numerous patent certificates attest to our strength in the industry. Our products are popular both domestically and internationally, with customers praising their consistent and superior quality.
As we move towards a future dominated by photoelectric technology, we strive to provide the best service possible and create innovative products in partnership with you. We can't wait to collaborate with you!
Rofea Optoelectronics offers a product line of commercial Electro-optic modulators, Phase modulators, Intensity modulator, Photodetectors, Laser light sources, DFB lasers,Optical amplifiers, EDFA, SLD laser, QPSK modulation, Pulse laser, Light detector, Balanced photodetector, Laser driver, Fiber optic amplifier, Optical power meter, Broadband laser, Tunable laser, Optical detector, Laser diode driver, Fiber amplifier. We also provide many particular modulators for customization, such as 1*4 array phase modulators, ultra-low Vpi, and ultra-high extinction ratio modulators, primarily used in universities and institutes.
Hope our products will be helpful to you and your research.
