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1550nm Coherent Detection Module (DVS/DAS Compatible)

Coherent Detection Module is mainly used for Distributed Fiber Optic Vibration / Acoustic Sound Detection (DVS / DAS) and wind measurement radar with high signal-to-noise ratio, high reliability and easy integration.

Model：CD-DVS/DAS-X

Tags： 1550nm Coherent Detection Module DVS/DAS Module Balanced Photodetector High SNR Detection Module Fiber Optic Sensing Module Coherent Wind Radar Module

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Huang Email: Hqy@ybphotonics.com

WhatsApp： +8613427781756 Web | App

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Product Introduction

This 1550nm Coherent Detection Module is a high-performance fiber optic sensing hardware component, specially engineered for Distributed Fiber Optic Vibration/Acoustic Detection (DVS/DAS) and coherent wind measurement radar systems. It features high signal-to-noise ratio (SNR), stable reliability and easy system integration, with a broad wavelength adaptability and standardized interface design for seamless matching with your fiber optic sensing equipment.

Code Features

1550nm Core Wavelength
Broad spectral adaptability (1000-1700nm), perfect for mainstream fiber optic sensing systems
High SNR Coherent Detection
Optimized detection circuit, low noise voltage for high-precision signal capture
Stable Reliable Performance
Wide operating temperature range (-20~65℃), suitable for industrial and outdoor sensing scenarios
Easy System Integration
Standard SMA female output, 50Ω impedance, AC coupling method, plug-and-play
Low Power Consumption
12V DC operating voltage, ≤500mA operating current, energy-saving for embedded integration
Dual Application Compatibility
Fully matched with DVS/DAS fiber optic sensing and coherent wind measurement radar

Applications

Distributed Fiber Optic Vibration Detection (DVS) Systems
Distributed Acoustic Sensing (DAS) Systems
Coherent Wind Measurement Radar
High-precision Fiber Optic Sensing & Signal Detection Equipment

Technical Specifications

Item	CD-DVS-80M	CD-DVS-200M	CD-DAS-80M	CD-DAS-200M
Wavelength Range	1000-1700nm	1000-1700nm	1000-1700nm	1000-1700nm
Optical Input Port	FC/APC	FC/APC	FC/APC	FC/APC
Responsivity	0.9A/W @1550nm	0.9A/W @1550nm	0.9A/W @1550nm	0.9A/W @1550nm
Gain	50kV/A	50kV/A	50kV/A	50kV/A
Bandwidth	0.03-50MHz	0.03-50MHz	70-90MHz	175-225MHz
Local Input Power	＜5mW	＜5mW	＜5mW	＜5mW
Noise Voltage	10mV	10mV	10mV	15mV
Output Swing	0-1.0V	0-1.0V	±1.7V	±1.7V
Operating Voltage	12V DC	12V DC	12V DC	12V DC
Operating Current	＜500mA	＜500mA	＜500mA	＜500mA
Output Impedance	50Ω	50Ω	50Ω	50Ω
Output Coupling Method	AC	AC	AC	AC
Electrical Output Connector	SMA Female	SMA Female	SMA Female	SMA Female
Operating Temperature	-20~65℃	-20~65℃	-20~65℃	-20~65℃
Storage Temperature	-40~85℃	-40~85℃	-40~85℃	-40~85℃

Mechanical Dimensions

Application Block Diagram

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.