Raman fiber temperature measurement system combined with raman amplification technology

Raman fiber temperature measurement system combined with raman amplification technology

  • CN 104,764,540 A
  • Filed: 01/15/2015
  • Published: 07/08/2015
  • Est. Priority Date: 01/15/2015
  • Status: Active Application
First Claim
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1. in conjunction with the Raman fiber temp measuring system of Raman amplifiction technology, it is characterized in that:

  • comprise pulsed laser source, the circulator of three ports, pump laser source, one of them port of circulator is of coupled connections by optical fiber and an isolator output terminal, another port of circulator is connected with the top of a single-mode fiber, the pulse laser of pulsed laser source is through isolator, circulator is coupled to single-mode fiber top, the pumping laser of pump laser source passes through another isolator successively, coupling mechanism is coupled to single-mode fiber end, circulator the 3rd port is connected to the input end of wavelength division multiplexer by narrow bandwidth and high reflectivity Fiber Bragg Grating FBG, wavelength division multiplexer has two-way and exports, two-way exports respectively successively through optical filter, avalanche diode is connected to signal acquisition process unit.

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