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AQ6370

The Yokogawa AQ6370 is a flagship series of bench-top Optical Spectrum Analyzers (OSAs) designed for high-precision analysis of light signals in telecommunications, photonics research, and manufacturing. This series is renowned for its superior performance, including high resolution, wide dynamic range, and excellent wavelength accuracy.

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Parameters & Specifications
Category Specification
Model Series AQ6370 (e.g., AQ6370C, AQ6370D, AQ6370B)
Type Bench-top Optical Spectrum Analyzer
Wavelength Range Model-Dependent:
• AQ6370C: 1200 to 1650 nm (Covers S, C, L Bands)
• AQ6370D: 350 to 1750 nm (Wide Range)
• AQ6370B: 600 to 1700 nm (Standard Range)
Wavelength Accuracy ±0.01 nm (Typical for C/D models at 1550 nm, after auto-calibration)
Wavelength Resolution 0.02 to 2 nm (Programmable). Can be as low as 0.015 nm on specialized models (e.g., AQ6373).
Resolution Bandwidth (RBW) 0.02, 0.05, 0.1, 0.2, 0.5, 1.0, 2.0 nm
Dynamic Range 78 dB (Typical, peak at ±0.5 nm offset)
60 dB (Typical, peak at ±0.1 nm offset)
Sensitivity -90 dBm (at 1550 nm, RBW = 0.1 nm, Sample Average)
Sweep Speed ~0.3 sec/sweep (for 40 nm span, RBW = 0.1 nm, Auto)
Level Accuracy ±0.2 dB (Typical)
Polarization Dependency ±0.05 dB (Typical)
Input Port FC/PC connector (Standard). FC/APC is optional.
Input Power Level +20 dBm (Maximum total input power)
Display Large, high-resolution LCD (XGA) with intuitive touch interface.
Data Output USB memory stick support, Ethernet (LAN), GPIB (optional), Video output.
Applications DWDM/system test, EDFA gain flatness measurement, laser diode characterization, optical filter testing, R&D.