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APD20 APD Amplified Photodetector Fiber-Coupled

APD20 Fiber-Coupled APD Amplified Photodetector bandwidth from 10M to 400M

Model：APD20

Tags： APD 1550nm 800-1700nm DVS Fiber-coupled 400-1100nm

Contact： face

Huang Email: Hqy@ybphotonics.com

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Product Info

Introduction

APD20 series APD photodetector module, can detect near infrared light in the region of 400-1700nm with fiber coupling input, bandwidth from 10M to 400M. suitable for detecting nW level of optical power.

Features：

Covers wavelength range of 400-1700nm
M-factor temperature compensation
Connects to singlemode (SM) or multimode (MM) fibers
FC fiber input connector
SMA output connector

Applications：

Detecting weak light signals
Distributed Fiber Optic Sensing
Detection of outlier laser beat frequency signals

Specifications：

Items	APD20A-10M	APD20A-50M	APD20A-200M	APD20A-400M
Materials	Si
Wavelength	400-1000nm
Input connector	Multimode fiber with FC/APC connectors
Responsivity @M=1	0.5A/W @850nm
Bandwidth（b）	DC-10MHz	DC-50MHz	DC-200MHz	DC-400MHz
Rise time（b）	40ns	8ns	2ns	1ns
Gain（a）	1.4x10^7V/W	2.7x10^6V/W	1.2x10^6V/W	0.52x10^6V/W
Saturated Optical power	0.23uW	1.3uW	2.5uW	5.8uW
Noise voltage（b）	18mVpp	18mVpp	18mVpp	18mVpp
NEP	0.11pW/√Hz	0.23pW/√Hz	0.28pW/√Hz	0.64pW/√Hz

Item	APD20C-10M	APD20C-50M	APD20C-200M	APD20C-400M
Materials	InGaAs
Wavelength	1000-1700nm
Input connector	Single-mode fiber with FC/APC connectors
Responsivity @M=1	0.9A/W @1550nm
Bandwidth（b）	DC-10MHz	DC-50MHz	DC-200MHz	DC-400MHz
Rise time（b）	40ns	8ns	2ns	1ns
Gain（a）	3.2x10^6V/W	0.65x10^6V/W	4.0x10^5V/W	1.8x10^5V/W
Saturated Optical power	0.98uW	4.8uW	8uW	16.7uW
Noise voltage（b）	18mVpp	18mVpp	18mVpp	18mVpp
NEP	0.42pW/√Hz	0.71pW/√Hz	0.84pW/√Hz	1.8pW/√Hz

Params	Detector Common Parameters
Maximum output amplitude（a）	3.2V
Operating voltage	9-12V
Operating Current	<200mA
Output Impedance	50Ω
Output coupling mode	DC
Output connector	SMA female
Operating temperature	-10~65℃
Storage temperature	-40~85℃

Remarks:
a：For high resistance loads
b：For 50Ω loads

Mechanical dimensions

1. Response curve

Note: Response curves are typical values for reference only.

Screenshot of test data

APD20-200M, screenshot of oscilloscope without optical bottom noise, peak-to-peak value 6.5mV

Measured data graph as an optoelectronic conversion module in a distributed fiber optic vibration DVS system

FAQ

Q：Do you have an unboxing picture of the photodetector?

A：When you buy our photodetectors, we will deliver SMA to BNC RF cable, and power supply for free.
Q: What are the advantages of your photodetectors compared to Thorlabs?
A: We support custom development and we offer better prices.
Q: What is the lead time for photodetector modules?
A: Basically, we have more than 90% of detectors in stock, only a few models need 3 weeks lead time.
Q: Do you support the sale of those countries, and is the shipping included?
A: Our service is available worldwide, regardless of country or region. Shipping is included.
Q: Who are your typical customers?
A: More than 100 top universities and research institutes in China have chosen us and given us high evaluations, such as: Chinese Academy of Sciences, CEC, Tsinghua University, Peking University and other clients.