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DVS Integrated Optical Module
DVS Integrated Optical Module

DVS Integrated Optical Module

Features

 

  • Highly Integrated   (UNL, AOM, EDFA, Detector)
  • Working Temperature: -15~55℃
  • High Reliability and Stability
  • Flexible Control Mode
  • Single / Dual Channel
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  • Product Detail

DVS Integrated Optical Module

 

Distributed fiber Vibration Sensing（DAS），based on the principle of phase OTDR, using a single ordinary optical fiber as a transmission, the Rayleigh scattered light inside the fiber to detect, obtain phase and intensity information, to achieve the detection of vibration and other signals, widely used in oil, gas pipelines, perimeter security, high-speed rail transit and other fields.

 

For the field of distributed fiber optic acoustic sensing, FIBERWDM has launched DVS integrated module, which integrates self-developed ultra-narrow linewidth laser, linewidth <3KHz, 80M_AOM, pulse amplifier, coherence intensity detector, for higher SNR than common detectors. The module is highly integrated, with small size and high reliability.

 

Features

 

  • Highly Integrated   (UNL, AOM, EDFA, Detector)
  • Working Temperature: -15~55℃
  • High Reliability and Stability
  • Flexible Control Mode
  • Single / Dual Channel

Applications

 

  • Oil and Gas Pipelines
  • Perimeter Security
  • High-speed Rail Transit
  • Power Cables

 

Optical Path

 

DVS Integrated Module

 

Product Specification

 

Product Model: FW-DVSXXX

Parameters

Min

Typ.

Max

Unit

Sensing Distance

 - - 40 km

Center Wavelength

 -

1550.12

 - nm

Linewidth

 - - 3

Khz

Pulse Width

 60 100 - ns

Repetition Rate

 - 1 20

KHz

Peak Pulse Optical Power

 - 23 30

dBm

Rise/Fall Time

 - - 30 ns

Input Impedance

 - 50 -

Ohm

Shift Frequency

 - 80 -

MHz

Wavelength

800~1700

nm

Gain

 30k

V/A

Coupling Mode

 AC

-

Bandwidth

 100

MHz

Modulation Mode

External

-

Note:1)Single and Dual channel can be selectable; XXX: 366-Single Channel, 381-Dual Channel

         2）AOM Driver is built-in

 

Parameters

Indicator

Remark

Electrical

Power Supply

DC +12V/GND

  

Power Consumption

<24W

Full-temperature

Mechanical

Dimensions

180*140*30mm

  

Pigtail Type

SMF

Communication

Connector

 4PIN

Level

 RS232

Interface

Read and Set Parameter

  

 

Parameter

Min

Max

Unit

Working Temperature

 -15 +55 ℃

Storage Temperature

 -20 +70 ℃

Related Humidity

 5 95 %

 

For ordering information and custom solutions, please contact us: sales@fiberwdm.com

 

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