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400-1100nm SI Amplified Fiber Coupled Detector

400-1100nm SI Amplified Fiber Coupled Detector is a semiconductor optoelectronic product designed for detecting light signal by transfering the light signal to electric signal, the detector with precision analog amplification circuit, allowing modules to have high gain and high bandwidth and keep a low noise. The detector can be used in detecting weak light signal, fast laser pulse, RF and pulse waveform extraction of laser sources, heterodyne laser beat signal. The Detector can be customized upon request.

Weak Light Signal Detect
Fast Laser Pulse Detect
Medical Imaging
Fiber Optic Sensor
High Temperature Stability
Low Hoise, high gain
High Sensitivity
Easy for Installation
High Realibility


Optical and Electrical Specification:

Parameter Value Unit
Wavelength Range 400-1100 nm
Bandwidth Range DC-200MHz DC-500MHz DC-1GHz
Responsivity @λ=850nm 0.55 A/W
Active Diameter 200 um
Typ. Response Time (Rise) 1.4ns 0.7ns 350ps
Max. Gain 1.1*104 660 380 V/W
Min. Detectable Optical Power -29.6 -22.2 -19.6 dBm
Saturated Optical Power -4.4 5.8 4.1 dBm
Operating DC Voltage 12 (±10%) V
Max. Operating Current 100 mA
Max. Noise Voltage 12 4 4 mV
Output Impedance 50 Ω
Output Coupling DC
Output Signal 4 2.5 1 V
Input Interface FC
Output Interface SMA
Operating Temperature -25~55
Storage Temperature -55~95

Notice: Above specifications are tested in room temperature at 23℃.
Specifications may change without notice.

Wavelength VS Responsivity Curve:

400-110nm Detector Wavelength VS Responsivity Curve:


Ordering Information:

SAPDM-4011-FC-200M (for 200MHz Bandwidth Range, Fiber Coupled)
SAPDM-4011-FC-500M (for 500MHz Bandwidth Range, Fiber Coupled)
SAPDM-4011-FC-1G (for 1GHz Bandwidth Range, Fiber Coupled)





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