Yokogawa AQ6375 Spectrum Analyzer


Unique LONG wavelength range of 1200 to 2400 nm makes this the world’s first and only OSA specifically designed for use in advance applications such as Carbon Monoxide (CO), Carbon Dioxide (CO2) gas detection and LIDAR.


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The features of AQ6375 are indispensable

  • to the research, development and manufaturing of optical devices in the wavelength range from telecom band to 2.4µm
  • to perform gas measurements in the environment
  • to perform non invasive analyses in Life Science applications

 

WORLD CLASS PERFORMANCE and SETTING FLEXIBILITY

 

  • Long wavelengths measurement range
  • High sensitivity
  • High resolution & wide dynamic range
  • High speed measurement
  • Fast auto-calibration
  • Free space optical input

 

Long Wavelength Range: from 1200nm to 2400nm

The AQ6375 covers not only the wavelength span used in communications, but also the 2µm region which is used for environmental sensing, medical, biology and industrial applications.

High Sensitivity: down to -70dBm

The AQ6375 can measure optical power from +20dBm down to -70dBm thanks to its high-dynamic and very low noise components and circuits used for photodetection. This enables precise measurements of both high power and low power sources.
Measurement sensitivity can be chosen among 7 values according also to the measurement speed required by the specific test to be performed.

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The spectrum of a white light source (yellow) and the background noise of AQ6375 (purple)

High Resolution & Wide Dynamic Range

The AQ6375 uses a double-pass monochromator structure to achieve high wavelength resolution (0.05 nm) and wide close-in dynamic range (55 dB). Thus, closely allocated signals and noise can be separately measured.

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Measured HeNe Laser (1523 nm), Close-in Dynamic range: @ peak±0.8 nm

High speed Measurement

GREATER EFFICIENCY

High Speed Sweep
With a proprietary sweep technique the AQ6375 achieves a much faster sweep speed than conventional measurement systems which use a monochromator. Max. sweep time is only 0.5 sec. for 100 nm span.

Fast command processing and data transfer
Applying a fast microprocessor, the AQ6375 achieves very fast command processing speed and Ethernet interface provides up to 100 times faster data transfer speed than GP-IB.

Fast auto-calibration

The AQ6375 has a built-in reference light source for wavelenght calibration and optical alignment of the monochromator components, in order to deliver always accureate measurements.
The calibration and alignment process takes less than 2 minutes and it is full automatic.
NOTE: the wavelength calibration can also be performed by using an external reference source

 

Free-Space Optical Input

The AQ6375 uses a free-space optical input structure, i.e. no fiber is mounted inside the instrument.

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This smart solution is

  • WORRY-FREE, as no internal fiber can be scratched or get dirty
  • MAINTENANCE-FREE, as no internal fiber has to be cleaned
  • VERSATILE, as the instrument accepts both /PC and /APC connectors
  • DUAL PURPOSE, as the instrument accepts both Single-Mode and Multi-Mode fibers without being affected by the high insertion loss from MM-SM fibers matching

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