1600MHz Balanced Photodetector Module
The KT-BPR Series Balanced Photodetector Module integrates two matched photodiodes and an ultra-low noise mutual resistance amplifier, effectively reducing laser noise and common mode noise, improving the system's signal-to-noise ratio, and has various spectral response options, low noise, high gain, and convenient use. It is mainly used in spectroscopy, heterodyne detection, optical delay measurement, optical coherence tomography and other fields.
Features：
Spectral range: 320-1000, 850-1650nm
3dB bandwidth 1600MHz
Low noise
High gain
DC ± 12V power supply
Application:
Heterodyne detection
Optical delay measurement
Fiber optic sensing system
Optical coherence tomography (OCT)
Specification
Spectral Curve
Dimensions(mm)
Ordering information
Model Parameters | KG-BPR-1600M-A | KG-BPR-1600M-B |
Spectral range | 850-1650nm | 320-1000nm |
Material type | InGaAs | Si |
Optical input | Fiber | Fiber |
Responsiveness | 0.9A/W@1550nm | 0.5A/W@700nm |
3dB Bandwidth | 0.3-1600MHz | 0.3-1600MHz |
Rise time | 0.2ns | 0.2ns |
CMRR | >25dB (typ. >30 dB) | >25dB (typ. >30 dB) |
Gain | 1.4×10 4V/W | 0.7×10 4V/W |
NEP | 9.3pw/√Hz | 14pw/√Hz |
Saturated optical power | 320uw | 640uw |
Power supply | DC±12V@200mA | |
Input flange | FC | |
Output connector | SMA | |
output impedance | 50W | |
Output coupling mode | AC Output | |
Maximum optical power | 10mW | |
Working temperature | 0-40℃ | |
Storage temperature | -40-85℃ | |
Overall dimensions | 83×82×30mm | |
A Type Spectral Response
Internal circuit diagram
KT | BPR | XXX | X | XX |
Photodetector type: | Line width : | Wavelength: | Coupling type： | |
BPR—Balanced | 80M---80MHz | A---850~1650nm | FC | |
Photodetector | 200M---200MHz | B---320~1000nm | ||
350M---350MHz | ||||
1000M---1000MHz | ||||
1600M---1600MHz |