DAS related photodetectors and fiber optic sensing products - page 4
DAS related products
BPD570 APD Balanced Photodetector M Adjustable
[Balanced Photodetector] 2025-03-06 01:30:10
BPD570 Series Photodetectors Based on 2 high-performance APD photodetectors with consistent performance, adjustable M-factor, ultra-high common-mode rejection ratio of 30db and low noise.
DMX61 High-Speed Photodetector Gain Amplification
[High-speed photodetector] 2023-11-01 00:20:55
High-speed photodetector with amplification circuitry, 18G bandwidth, and support for Si visible wavelengths from 500-870nm.
Raman Amplifier Module for Distributed Fiber Optic Vibration Systems
[EDFA] 2024-10-28 13:09:50
Raman amplifier modules can be used in distributed fiber optic vibration systems, capable of increasing fiber optic sensing distances up to 40km or more.
4-channels DAS data DAQ board
[DAQ] 2025-04-03 13:37:57
1550nm Coherent Detection Module
[Amplified Photodetector] 2025-04-11 14:07:56
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.
DAS related articles
What are DVS, DTS, DAS, FBG in fiber optic sensing
What are the DVS, DTS, DAS, FBG of fiber optic sensing, what are their technical features, and what are their main uses.
DAS Integration Module and DAQ Installation and Wiring Tutorials
Distributed fiber optic acoustic sensing system installation and wiring tutorial, DAS integrated module and DAQ board wiring steps and precautions.
Fiber Optic Sensing Explained: How DVS (Amplitude) and DAS (Phase) Work, Differences, and Use Cases
Fiber Optic Sensing Explained: How DVS (Amplitude) and DAS (Phase) Work, Differences, and Use Cases
The AI-based DAS integrated system classifies signals from excavation and vehicle passage events
The AI-based DAS integrated system classifies signals from excavation and vehicle passage events.
Portable DAS uses AI to monitor pipeline leaks and blockages
There's a crack here, and water seeps out through this tiny fissure. At this point, we need to use this fiber optic cable to monitor it and see if we can detect the leakage state. We trained an AI model to conduct this discrimination experiment.
Highly sensitive DAS systems reproduce sound using armored optical cables
Highly sensitive DAS systems reproduce sound using armored optical cables.
Distributed Acoustic Sensing (DAS) collects sample data for AI model training
Distributed Acoustic Sensing (DAS) collects sample data for AI model training.
YB-DAS-250-DAQ Distributed Fiber Optic Vibration Data Acquisition Card Description
YB-DAS-250-DAQ Distributed Fiber Optic Vibration Data Acquisition Card Description of how long the fiber optic length can be supported
Difference Between DAS and DVS
What was the difference between DAS and DVS before. How easy it is to develop and how it compares in terms of sensitivity.
[Tutorial] How to wire the DVS/DAS system installation process?
A tutorial on how to wire a distributed fiber optic vibration sensing system DVS/DAS, and notes related to the wiring process.
What programming language is used for the software of DVS/DAS system
The software programming of DVS/DAS system is actually for the interface programming of data acquisition card, you can use C, C++, Python, labview, matlab, etc. for programming.
What are the laser requirements for the DVS/DAS system?
DVS/DAS system with ultra-narrow linewidth lasers, 1550nm 3k linewidth 20mW lasers are usually used in our system.
Component Configuration of a Distributed Fiber Optic Acoustic Sensing DAS
Distributed fiber optic acoustic sensing system DAS configuration of 2 ways, one is 80M AOM + 250M DAQ, the other is 200M AOM + 1G DAQ