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Agilent 81627B InGaAs Optical Head

The Agilent 81627B is a 3 mm InGaAs High Power optical head that connects to the 81618A or 81619A interface plug-in module that fit the 8163, 8164 and 8166 multichannel mainframe series. The Agilent HP 81627B InGaAs sensor element covers a wavelength range of 800 to 1700 nm and offers a dynamic range of +10 to -90 dBm. Many different connectors are available for the 81627B optical head.

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81627B Optical head specifications

  • Sensor element: InGaAs, 3mm
  • Wavelength range: 800 - 1700 nm
  • Power range: +10 to -90 dBm

Applicable fiber type (main differentiator from: Agilent 81623B and Agilent 81624B)

  • Standard SM (max 10 µm core size), NA ≥ 0.11 (straight and angled connector)
  • Standard MM (max 62.5 µm core size), NA ≥ 0.22 (straight connector)

Parallel beam max:  2.5 mm
Have to be operated with the single (Agilent 81618A) or dual (Agilent 81619A) Interface Modules.

Suitable for measurement with smaller fiber core with bigger numerical aperture and smaller beam diameter.

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