DAS related photodetectors and fiber optic sensing products - page 4
DAS related products
Acousto-Optic Modulator 1550nm Frequency 200Mhz Rise Time 10ns
[AOM] 2023-08-15 00:34:54
The G-1550-200-L-D-T-AA-G3-T-L is 1550nm fiber-coupled acousto-optic modulator(AOM), Frequency 200Mhz, deal for fiber optic sensing system applications.
Pulsed EDFA Erbium-doped fiber amplifier Pulsed signal amplification C-band
[EDFA] 2026-06-17 06:58:21
Pulsed EDFA erbium-doped fiber amplifier, C-band, commonly used after the acousto-optic modulator to achieve the amplification of pulsed optical signals, common in distributed fiber optic sensing systems, LIDAR and other applications.
EDFA & Raman Integrated Amplification Module 1550nm Fiber Optic Sensing DVS DAS
[EDFA] 2023-11-04 23:53:50
The module integrates both an EDFA erbium-doped fiber amplifier and a Raman fiber amplifier inside the module, which significantly reduces system complexity, increases reliability, and reduces size compared to conventional EDFA and Raman amplification systems. The front-end EDFA is available as a pulsed EDFA or an amplified EDFA suitable for ultra-long-range fiber optic sensing systems or high-speed fiber optic communication systems.
DAS-BPD Balanced Photodetector Coherent Detection Applications
[Balanced Photodetector] 2026-03-18 13:13:12
The balanced photodetector contains two photodiodes and a low-noise transimpedance amplifier, in which the two photodiodes are matched to each other for excellent common mode rejection ratio
BPD570 APD Balanced Photodetector M Adjustable
[Balanced Photodetector] 2026-04-02 02:15:41
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.
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.
GY-DAQ-2480-E Fiber Optic Acoustic Sensing (DAS) Data Acquisition Card User Guide
1. Unboxing and inspection
2. Connecting Ethernet cables/fiber ports
3. Configuring IP addresses
4. Testing
DAS Acquisition Card | How Is It Different from Traditional Acquisition Cards?
DAS Acquisition Card | How Is It Different from Traditional Acquisition Cards?
Should I choose a 250 MHz or 1 GHz data acquisition card for a DAS system?
Should I choose a 250 MHz or 1 GHz data acquisition card for a DAS system?
Installation Guide for PCIe DAS Acquisition Cards
Installation Guide for PCIe DAS Data Acquisition Cards, Compatible Models: GY-DAQ-2480, GY-DAQ-2510D, GY-DAQA-2510.
FAQ for the GY-DAQA-2510 High-Speed DAS Acquisition Card
FAQ for the GY-DAQA-2510 High-Speed DAS Acquisition Card
DAS Acquisition Card (GY-DAQ-2480-E) Product Overview
DAS Acquisition Card (GY-DAQ-2480-E) Product Overview
DAS Data Acquisition Card Driver Installation Guide
This tutorial provides detailed instructions for installing the GY-DAQ-2480 driver.
How to Connect the GY-DAQ-2480 to a DAS Module
This article provides a detailed guide on how to connect the GY-DAQ-2480 data acquisition card to the DAS module.
Sample code for the DAS acquisition card (GY-DAQ-2480-E)
Sample code for the DAS acquisition card (GY-DAQ-2480-E)
DAS Module Selection Chart
DAS Module Selection Chart
How to Wire a DAS Module
A tutorial on how to wire a distributed fiber optic vibration sensing system DVS/DAS, and notes related to the wiring process.
How to modify the operating parameters of a DAS module
How to modify the operating parameters of a DAS module
Modbus Register Definitions for the DAS Module
Modbus Register Definitions for the DAS Module，The DAS module uses the Modbus RTU communication protocol.
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.
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
Common Anomalous Signals in Distributed Acoustic Sensing (DAS) Systems and Their Handling
Common Anomalous Signals in Distributed Acoustic Sensing (DAS) Systems and Their Handling