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I-MON E-USB Interrogation Monitors

Ibsen Photonics A/SRequest Info
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I-MON series E-USB interrogation monitors offer real-time spectrum monitoring of fiber Bragg grating (FBG) sensors. High spectrometer resolution combined with broad wavelength range provides high-resolution interrogation monitors, allowing measurement of a large number of FBG sensors. High sensitivity also allows high resolution at very low light levels. With its USB interface and data acquisition software,  it provides easy setup with a laptop and can act as a stand-alone monitor in combination with a customer-selected light source.

In addition, the I-MON series E-USB offers straightforward integration with customers' interrogation system control PCB and meet industrial qualification standards.


  • Stand-alone integration monitor or OEM interrogation monitor modules
  • Temperature measurements
  • Pressure monitoring
  • Strain measurements
  • Low light-level measurements


  • Maximum number of FBG sensors: >70 Minimum FBG spacing: 1200 pm
  • Wavelength range: 1510 - 1595 nm
  • Resolution (-50 dBm input power): <0.5 pm
  • Repeatability (over any pol. state): 3 pm
  • Wavelength accuracy: 5 pm
  • Wavelength drift: 1 pm/deg C
  • Dynamic range 30 dB
  • Input optical power range: -80 to -20 dBm
  • Measurement frequency: 200 Hz
  • Interface: USB 1.1
  • Size (LxWxD): 115x80x45 mm
  • Weight: 600 g
    Jan 2007

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