Q8384 Optical Spectrum Analyzer

Optical spectrum analyzer for DWDM applications

ADCMT

NOT distributed in North America & Asia
This is a discontinued product
More Information? Please contact us.

Key Facts

  • Wavelength range 600 to 1700 nm
  • State-of-the-art resolution bandwidth of 10 pm
  • +/-20 pm wavelength accuracy with option 25
  • Sensitivity -87 dBm

Brief Description

Q8384 is a high-grade optical spectrum analyzer (Advantest) with a 4-pass monochromator and extremely low polarization dependance. Thanks to a special method used, a value of ±0.05nbsp]]dB can be guaranteed, the typical value is as low as 0.02 dB.

Features

Measurement, Characterization and Compliance Testing in the Design and Manufacturing of:

DWDM Transmission Systems DWDM Components Erbium Doped Fiber Amplifiers Narrow-Band Optical Filters like FBG and AWG Laser Diodes

Key Facts

  • Wavelength range 600 to 1700 nm
  • State-of-the-art resolution bandwidth of 10 pm
  • +/-20 pm wavelength accuracy with option 25
  • Sensitivity -87 dBm
  • Polarization dependence ±0.05 dB
  • Accuracy of resolution bandwidth ±2%
  • Various power and spectral widths measurements
  • Multitude of DWDM analysis features
  • Optical amplifier parameter measurements
  • Pulse light measurement
  • Gated measurements for loop testing

Brief Description

Q8384 is a high-grade optical spectrum analyzer (Advantest) with a 4-pass monochromator and extremely low polarization dependance. Thanks to a special method used, a value of ±0.05 dB can be guaranteed, the typical value is as low as 0.02 dB. The narrowest resolution bandwidth and the broad dynamic range make the Q8384 an ideal measuring instrument in the DWDM technology for closest channel spacing. A special measurement function allows the automatic determination of erbium-doped fiber amplifiers (EDFA) parameters; these are e.g. noise figure, gain and spontaneous emission by simple comparison of the signal at the amplifier input with the signal at the amplifier output.

All these features are of course also of great advantage for the measurement of laser diodes, LEDs and other light sources, evaluating their parameters by single push button operation. A curve fitting function directly shows the electroluminescence characteristic by fitting a Gaussian distribution into the emission spectrum. This is a valuable aid in the measurement of erbium- doped fiber amplifiers EDFA's and LDs. Special functions for pulsed light allow measurements of fiber loop transmission systems. Internal or external triggering is possible.

The measurement time is 0.5 second for a span of 10 nm in fast sweep mode and varies as a function of the span and the required dynamic range. The highest sensitivity is attained for wideband sources with a resolution of 5 nm, while narrowband sources (laser) can reliably be analyzed down to the noise level with narrow resolution bandwidths. A normalization function in conjunction with a white light source enables direct measurement of the transmission and loss characteristics of optical filters and fibers and other components.

Other application oriented software offers single push button measurements of various filters and their parameters.

Features & Benefits

Measurement, Characterization and Compliance Testing in the Design and Manufacturing of:

DWDM Transmission Systems DWDM Components Erbium Doped Fiber Amplifiers Narrow-Band Optical Filters like FBG and AWG Laser Diodes

  • Optical Spectrum Analysis of WDM Signals
  • WDM Channel Analysis
  • Amplifier Measurements
  • Efficient Transmission/Loss Measurements
  • Pulse Measurements
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