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Agilent 11980A Fiber Interferometer

Agilent 11980A Fiber Interferometer

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The Keysight 11980A is a Mach-Zehnder interferometer of fixed delay. Used with a Keysight 71400 series or Keysight 83810B lightwave signal analyzer, it allows you to measure chirp and frequency modulation (FM) on DFB lasers. Traditional measurements of laser linewidth on single-line lasers can also be made.
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Agilent 11980A Fiber Interferometer

Specifications of 11980A 

  • Wavelength range: 1250 nm to 1600 nm
  • Insertion Loss at 1300 nm; 8 dB
  • Insertion Loss at 1550 nm: 8 dB
  • Delay time; 3.5 usec
  • Linewidth (minimum): 225 kHz

Optical Interface Connectors not included. Two 81000xI are needed.

Option 12 was used for FC Connector

Agilent
11980A