Si related photodetectors and fiber optic sensing products - page 3
Si related products
Distributed Fiber Optic Acoustic Sensing (DAS) Integration Module
[DVS Module] 2025-03-31 06:47:42
The distributed fiber optic DAS integrated module has a high performance 3k narrow linewidth laser, AOM acousto-optic modulator, EDFA amplifier and other devices integrated inside, with coherent detection optical path and very sensitive technical features.Easy OEM for customers.
OTDR module fiber optic monitoring easy secondary development
[DVS Module] 2025-04-23 12:21:21
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.
Si related articles
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.
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.
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.
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
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
High-speed data acquisition card for DVS system
High-speed data acquisition card for DVS system，100MSps DAQ
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 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 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.
Free-Space Si PIN APD detector, TO package for spatial light detection in visible light
Free-space silicon photodetector with response wavelength 400-1100 nm, including PIN amplification, APD and bias detector