Data related photodetectors and fiber optic sensing products - page 3
Data related products
High Performance DAS Hardware All-in-One Chirped Pulse Demodulation 2 meter spatial resolution
[DVS Module] 2025-08-08 13:31:59
The high-performance chirped DAS all-in-one adopts the chirped pulse demodulation scheme to realize and do the coherent fading suppression, which greatly improves the spatial resolution (2m), more sensitive, and higher signal-to-noise ratio.
Distributed Fiber Optic Temperature Measurement Mainframe
[DTS] 2025-12-17 13:19:13
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.
Nanosecond Pulsed Laser for DTS Temperature Sensing 1550nm Power 30W
[Laser Module] 2025-07-19 04:51:25
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.
APD20 APD Amplified Photodetector Fiber-Coupled
[Avalanche Photodetector] 2023-10-01 02:49:58
APD20 series APD photodetector module, can detect near infrared light in the region of 400-1700nm with fiber coupling input, bandwidth from 10M to 400M. suitable for detecting nW level of optical power.
Data 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 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.
Distributed Acoustic Sensing (DAS) collects sample data for AI model training
Distributed Acoustic Sensing (DAS) collects sample data for AI model training.
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