The UNL-C-F-M-C34-13-7-1-0-0 is a narrow linewidth 1550nm laser module from YB Photonics. It features an ultra-narrow linewidth (<3kHz) making it ideal for distributed fiber optic sensing systems(DVS/DAS) and wind radar.
YB Photonics’s DVS/DAS integrated optical module highly integrates inside our own proprietary ultra-narrow linewidth laser, pulsed EDFA, Raman amplifier, AOM and other optical components in single compact package.
This module integrates all components of the DAS system, including the DAS optical path and data acquisition. Users only need to prepare a PC to obtain vibration data that has been demodulated by the FPGA on the acquisition card via the UDP protocol.
The data acquisition card is specifically designed for distributed fibre optic acoustic sensing systems, featuring a high-speed sampling rate of 250 MSps, dual-channel pulse trigger output capability, and an integrated IQ demodulation algorithm. Available in either Gigabit Ethernet or optical interface versions, it supports remote, independent deployment.
The DAS-EDU Fiber Optic Sensing Teaching Instrument is a visualization module developed by our company for undergraduate and graduate education. It is suitable for teaching sensor technology in related disciplines such as optoelectronics, measurement and control, instrumentation, electrical engineering, civil engineering, and transportation engineering.
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
1550nm fiber-coupled acousto-optic modulator for fiber optic sensing applications such as distributed fiber optic vibration sensing systems.
The GY-DAQ-2510D acquisition card employs dual-channel 14-bit high-speed ADCs, featuring dual-channel 1GSps synchronous trigger sampling and supporting DAS data acquisition over distances exceeding 100km. With built-in phase demodulation algorithms, it can directly upload amplitude-phase demodulated data.
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.
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.
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.
Data Acquisition Card for Distributed Acoustic Fiber Sensing (DAS) with Pulse Output sends TTL pulses directly to the AOM driver, eliminating the need for an additional pulse generator and greatly reducing system complexity.
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.