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AQ6331

The Yokogawa AQ6331 is a mid-range benchtop optical spectrum analyzer (OSA) designed for detailed characterization of optical components and systems in telecommunications, R&D, and manufacturing. It offers a wide wavelength range, high resolution, and advanced analysis functions, making it suitable for testing lasers, amplifiers, filters, and DWDM systems. The AQ6331 balances performance and affordability for a variety of optical measurement applications.

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Key Parameters
Parameter Specification
Model Yokogawa AQ6331
Type Optical Spectrum Analyzer (OSA)
Wavelength Range 1200 to 1650 nm (C-band & L-band focus)
Wavelength Accuracy ±0.01 nm (typical in C-band)
Dynamic Range 60 dB (typical, peak to sideband)
Resolution Bandwidth 0.05 to 5 nm (variable)
Sensitivity -80 dBm (typical)
Measurement Speed ≤1 second/scan (100 nm span, 0.1 nm res)
Polarization Dependency ≤0.05 dB (typical)
Fiber Interface FC/PC (single-mode)
Display 6.5-inch TFT LCD (640 × 480 pixels)
Data Storage Internal memory, floppy disk drive (optional)
Interfaces GPIB, Ethernet (LAN), RS-232, USB
Operating Temperature 5°C to 40°C (41°F to 104°F)
Dimensions 425 × 177 × 370 mm (W × H × D)
Weight Approx. 15 kg
Key Features
High Wavelength Accuracy: ±0.01 nm precision for critical DWDM applications.

Wide Dynamic Range: 60 dB enables detection of weak signals alongside strong ones.

Fast Scanning: ≤1 second per scan improves throughput in production environments.

Advanced Analysis Functions: Includes OSNR, channel power, pass/fail testing, and multi-peak analysis.

User-Friendly Interface: Intuitive menus and graphical display for efficient operation.

Flexible Connectivity: GPIB, LAN, and RS-232 for remote control and automation.

Robust Design: Reliable performance in lab and manufacturing settings.

Applications:

DWDM system characterization and monitoring

Laser diode and optical amplifier testing

Filter and multiplexer/demultiplexer evaluation

R&D in photonics and fiber optics

Manufacturing quality control of optical components