Fiber related photodetectors and fiber optic sensing products - page 3
Fiber 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] 2025-04-01 10:53:16
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.
Fiber 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.
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.
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.
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.
Fiber Optic Intrusion Detection System Video
The fiber optic perimeter intrusion monitoring system realizes fiber optic vibration sensing and monitoring based on the basic principle of Rayleigh scattering, combined with φ-OTDR (Phase Sensitive Optical Time Domain Reflection) technology and signal analysis and processing algorithms.
Principle of EDFA Erbium-Doped Fiber Amplifier Video
Video animation depicting the principle of implementation of the Erbium Doped Fiber Amplifier EDFA.
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
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.
Fiber optic cable fault finder, can quickly find the fiber optic cable fault connector
Fiber optic cable fault finder by integrating distributed fiber optic vibration monitoring system DVS and optical time domain reflectometer OTDR, can quickly find the location of faulty fiber optic cable joints, fiber optic cable fault repair.
Testing of a distributed fiber optic acoustic sensing system at a 50KM location
The PZT was used to test the Distributed Fiber Optic Acoustic Sensing System DAS at a location of 50KM, using a repetition frequency of 2000Hz, capable of testing signals at 980Hz.
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.
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
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
Distributed Fiber Optic Sensing System
distributed fiber optic sensing systems have been widely used in various fields. Distributed fiber optic sensing system uses optical fiber as a sensing element, thus realizing distributed measurement of physical quantities.
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 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.
800-1700nm fiber-coupled photodetector
What are the photodetectors with 800-1700nm fiber coupling input and quick selection.