ra related photodetectors and fiber optic sensing products - page 3
ra related products
Distributed Fiber Optic Temperature Measurement Mainframe
[DTS] 2025-04-23 12:30:43
Dual Port APD Receiver Module For Raman DTS
[Avalanche Photodetector] 2025-05-16 23:23:49
The APD modules are based on low-noise avalanche photodiodes made of InGaAs with a built-in pre-amplifier and high voltage supply.A temperature compensation function allows the APD to be operated at constant gain across a wide operating temperature range.
FBG Fiber Optic Grating Demodulator 8 channels and scanning speed up to 1000Hz
[FBG] 2024-04-12 07:06:12
Fiber grating demodulator module, the wavelength range from 1525nm to 1567nm, can be used with a variety of fiber grating sensors, through the detection of grating wavelength changes to achieve the purpose of monitoring temperature, strain, pressure and other physical quantities.
1450/1550/1660nm Raman WDM coupler for DTS
[WDM] 2023-10-01 03:41:23
This is a 1450/1550/1660nm Raman WDM coupler module for DTS Raman temperature measurement system, with one 1550nm input port and three output ports (1450nm and 1660nm to APD photodetector, COM port to sensing optical cable.
This module makes DTS system integration more convenient.
Nanosecond Pulsed Laser for DTS Temperature Sensing 1550nm Power 30W
[Laser Module] 2025-04-23 12:31:31
The laser is customized for distributed fiber optic temperature measurement applications and features high stability, adjustable pulse width and high peak power output at 1550 nm with a minimum pulse width of 5 ns. It supports both ACC and APC mode operation.
ra related articles
Distributed Fiber Optic Vibration System Integration Module Upgrade
The newly released DVS integrated module supports dual channels and is tested at temperatures from -20 to 60 degrees with stable performance.
YB Photonics and Thorlabs apd430 price and parameter comparison
Parameter and price comparison between Thorlabs and YB Photonics two APD430 photodetector products.
Data acquisition system for fiber optic vibration monitoring
From the schematic diagram we can see that the distributed fiber optic vibration data monitoring system, using a balanced photodetector for coherent detection, and then need to IQ demodulation of the collected data, demodulation followed by phase unwinding to obtain the amplitude root phase data information.
How to configure a pulsed laser for DTS temperature sensing
Introduces the configuration of the pulsed laser for DTS temperature sensing, including how to set the ACC and APC modes, the trigger method and the pulse width parameters.
How to demodulate data from a distributed fiber optic vibration system
The format of the raw data collected by a distributed fiber optic vibration system (DVS) and how to demodulate it.
Raman amplifiers in distributed fiber optic acoustic sensing systems Video
Raman amplifier solves the problem of low signal-to-noise ratio in distributed fiber optic acoustic sensing DAS systems
BOM table of distributed fiber optic temperature measurement system
DTS fiber optic temperature measurement system BOM table, convenient for users to develop their own DTS temperature measurement system
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.
Introduction to the Principles and Components of Distributed Fiber Optic Temperature Measurement Systems (DTS)
The video introduces the principles of a distributed fiber optic Raman temperature measurement system and the components needed to make up the system.
Coherent Detection Module for Distributed Fiber Optic Vibration
Coherent Detection Module for Distributed Fiber Optic Vibration/Sound Detection (DVS/DAS) and Wind Radar.It is characterized by high signal-to-noise ratio, high reliability and easy integration.
DVS-A fully integrated DVS module
DVS-A series DVS all-in-one integrated module each channel can support 40km. data output for 2-way Gigabit network port, built-in fiber optic sensing demodulation algorithm.
Distributed fiber optic acoustic sensing system tests different vibrations with PZT and restores the signals.
Video of a test of the effect of a DAS-reduced signal using a PZT to generate vibrations of different frequencies for excitation of an optical fiber.
Data acquisition card for distributed fiber optic vibration monitoring system
Introduction of data acquisition card for distributed fiber optic vibration monitoring system, 100M sampling rate, PCIe interface with demodulation algorithm.
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
What scenarios are distributed fiber optic vibration systems used in?
What scenarios are distributed fiber optic vibration systems(DVS/DAS) used in?
What is the maximum distance of distributed fiber optic vibration sensing?
How long can a distributed fiber optic vibration sensing system monitor? In the laboratory it can support 80km, in the application site to consider the light decay and other reasons, the maximum available 60km.
What is the spatial resolution of the distributed fiber optic vibration monitoring system?
The spatial resolution is related to your optical pulse parameter setting, which is set according to the monitoring length of the fiber optic cable. 40km distance we can achieve 5m spatial resolution.
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 type of fiber is used for distributed fiber optic vibration sensing?
The type of fiber used for distributed fiber optic vibration sensing is single-mode G652, which is a very common fiber, all in our communication fiber optic cable, and is not expensive.
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
Si fiber-coupled photodetector selection table Wavelength range 400-1100nm
List of fiber-coupled silicon photodetectors, wavelength 400-1100nm easy to quickly find the right product model.