The Yokogawa AQ6370 is a high-performance optical spectrum analyzer covering the 600 to 1700 nm wavelength range. This instrument is engineered for precision spectral measurements in optical communication, laser characterization, and optical component testing. It features high wavelength accuracy, resolution, and dynamic range, enabling detailed analysis of optical signals. The AQ6370 is equipped with user-friendly software for data acquisition, analysis, and reporting, making it suitable for both R&D and manufacturing environments.

Aumictech – Yokogawa AQ6370 Optical Spectrum Analyzer 600–1700 nm Specifications

Optical Performance

• Wavelength range: 600 to 1700 nm

• Span: 0.5 nm to full range, and 0 nm

• Wavelength accuracy: ±0.02 nm (1520–1580 nm), ±0.04 nm (1580–1620 nm), ±0.1 nm across the full range

• Wavelength linearity: ±0.01 nm (1520–1580 nm)

• Wavelength repeatability: ±0.005 nm

• Resolution bandwidth settings: 0.02, 0.05, 0.1, 0.2, 0.5, 1.0, 2.0 nm

• Resolution accuracy: ±5 % (≥0.05 nm RBW, resolution correction ON)

• Minimum sampling resolution: 0.001 nm

Level / Power Measurement

• Sensitivity modes: NORM_AUTO, NORMAL, MID, HIGH1, HIGH2, HIGH3

• Sensitivity (typical): down to −90 dBm (1300–1600 nm, HIGH3 mode)

• Maximum safe input power: +20 dBm

• Level accuracy: ±0.4 dB (1310/1550 nm, −20 dBm input, MID/HIGH modes)

• Level linearity: ±0.05 dB (−50 to +10 dBm)

• Flatness: ±0.1 dB (1520–1580 nm), ±0.2 dB (1450–1520 nm, 1580–1620 nm)

• Polarization dependence: ≤ ±0.05 dB

Dynamic Range & Stray Light

• Dynamic range (typical):
  • ~73 dB at ±1 nm (0.05 nm RBW)
  • ~62 dB at ±0.4 nm (0.05 nm RBW)
  • ~45 dB at ±0.2 nm (0.05 nm RBW)

• Stray light suppression ratio: up to 73 dB

• Overall level range: +20 to −90 dBm

Sweep & Speed

• Sweep time (100 nm span, typical):
  • FAST mode: ~0.2–0.5 s
  • NORMAL mode: ~1–2 s
  • HIGH SENS mode: 20–75 s

• Sweep modes: single, repeat, and continuous

• High dynamic mode: available to reduce stray light for improved measurement near strong peaks

Display, Storage & Interfaces

• Display: 10.4-inch color LCD, 800×600 resolution

• Trace memory: up to 64 traces and 64 programs

• Trace functions: subtraction, Max/Min hold, overlay comparison

• Interfaces: GP-IB, RS-232C, Ethernet, USB, trigger in/out, VGA output

• Data export formats: CSV, binary, BMP, TIFF

• Printer option: built-in thermal printer available

Physical & Power

• Dimensions (W×H×D): approx. 426 × 221 × 459 mm

• Weight: approx. 19 kg (without printer)

• Power supply: 100–240 VAC, 50/60 Hz, ~150 VA

• Operating environment:
  • Guaranteed performance: +18 to +28 °C
  • Operating: +5 to +35 °C
  • Storage: −10 to +50 °C
  • Humidity: ≤80 % RH, non-condensing

• Warm-up time: ~1 hour

Comparison: AQ6370 vs AQ6370C vs AQ6370D

• AQ6370: Earlier model covering 600–1700 nm with solid resolution and sensitivity, widely used in telecom and general R&D.

• AQ6370C: Improved version with enhanced accuracy and dynamic range, available in standard and high-performance variants.

• AQ6370D: Latest generation with faster sweep speeds, higher wavelength accuracy (±0.01 nm in high-performance version), and better close-in dynamic range for DWDM testing.

Why Choose Aumictech for the Yokogawa AQ6370?

The Yokogawa AQ6370 Optical Spectrum Analyzer is a proven instrument for telecom, photonics R&D, and optical component testing across the 600–1700 nm range. With its wide wavelength coverage, strong dynamic range, and flexible measurement modes, it continues to be a trusted solution for labs worldwide.

At Aumictech, we provide:

• NIST-traceable calibration to keep your AQ6370 performing within specifications

• Expert repair and service support for long-term reliability

• Upgrade and selection guidance, helping you choose between AQ6370, AQ6370C, and AQ6370D based on your accuracy and application needs