Ando AQ6317C,"This optical spectrum analyzer works with high-resolution spectral measurements in the 600 to 1750 nm wavelength range, making it suitable for characterizing components in fiber optic communication systems. The unIt has accurate measurement of wavelength, power, and spectral width, helping engineers evaluate transmission quality, filter characteristics, and amplifier performance. With a fast sweep speed and high dynamic range, it captures detailed spectral profiles, even for weak signals or closely spaced channels. The large color display and intuitive interface facilitate easy analysis of complex optical signals. Engineers can store and recall measurement settings, compare spectral traces, and use built-in markers for wavelength and amplitude evaluations. Its low polarization dependence ensures stable results under varying conditions. The analyzer supports single-mode and multi-mode measurements, making it versatile for different fiber types. Data can be exported via GPIB or floppy disk for documentation and post-processing. Built to withstand rigorous lab and manufacturing environments, the instrument is housed in a durable enclosure and provides long-term measurement stability. With features such as automatic peak detection and noise floor tracking, it simplifies optical component testing and system integration. The analyzer is ideal for tasks involving DWDM systems, passive optical networks, and broadband light sources."

Aumictech – Ando AQ6317C Optical Spectrum Analyzer 600–1750 nm Specifications

Optical Performance

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  Wavelength range: 600 to 1750 nm

  
  
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  Span: 0.2 nm to full range

  
  
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  Wavelength accuracy:
  • ±0.01 nm (1520–1580 nm, calibrated with internal reference)
  • ±0.02 nm (1580–1620 nm)
  • ±0.1 nm across full range

  
  
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  Wavelength linearity: ±0.01 nm (1520–1580 nm), ±0.02 nm (1580–1620 nm)

  
  
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  Wavelength repeatability: ±0.002 nm (C-band, 1 minute)

  
  
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  Resolution bandwidth settings: 0.01, 0.02, 0.05, 0.1, 0.2, 0.5, 1.0, 2.0 nm

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

  
  
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  Minimum sampling resolution: 0.001 nm

  
  

Level / Power Measurement

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  Level range:
  • −90 to +20 dBm (1200–1650 nm, HIGH3 sensitivity)
  • −80 to +20 dBm (1000–1200 nm, HIGH3 sensitivity)
  • −60 to +20 dBm (600–1000 nm, HIGH3 sensitivity)

  
  
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  Level accuracy: ±0.2 dB (1310/1550 nm, −30 dBm input, HIGH1–3)

  
  
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  Level linearity: ±0.03 dB (−50 to +10 dBm)

  
  
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  Flatness: ±0.1 dB (1520–1580 nm), ±0.2 dB across full 600–1750 nm

  
  
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  Polarization dependence: ≤ ±0.02 dB

  
  

Dynamic Range & Stray Light

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  Dynamic range (typical):
  • 78 dB (±0.4 nm, 0.02 nm RBW)
  • 60 dB (±0.2 nm, 0.02 nm RBW)

  
  
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  Stray light suppression ratio: 78–80 dB typical

  
  
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  Overall level range: +20 to −90 dBm

  
  

Sweep & Speed

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  Sweep time (100 nm span, typical):
  • FAST mode: ~0.2–0.5 s
  • NORMAL mode: ~1–2 s
  • HIGH SENS mode: ~20–60 s

  
  
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  Sweep modes: single, repeat, and continuous

  
  

Display, Storage & Interfaces

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  Display: 9.4-inch color LCD, 640×480 resolution

  
  
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  Memory: up to 32 traces and 20 user programs internally

  
  
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  Trace functions: subtraction, Max/Min hold, overlay, compare

  
  
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  Interfaces: GP-IB, RS-232C, VGA output, trigger in/out, analog output

  
  
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  Printer support: external GPIB printer

  
  

Physical & Power

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  Dimensions (W×H×D): approx. 425 × 222 × 450 mm

  
  
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  Weight: approx. 30 kg

  
  
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  Power supply: AC 100–240 V, 50/60 Hz

  
  
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  Operating environment: +5 to +40 °C; ≤80 % RH (non-condensing)

  
  
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  Warm-up time: ~1 hour

  
  

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Comparison: AQ6317C vs Other AQ6317 Models

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  AQ6317 vs AQ6317B: The B model improved wavelength accuracy to ±0.02 nm in C-band and added faster sweep speeds.

  
  
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  AQ6317C vs AQ6317B: The C version further enhanced accuracy to ±0.01 nm in C-band, improved repeatability to ±0.002 nm, and expanded analysis functions, making it more suitable for high-precision DWDM, filter, and component testing.

  
  
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  AQ6317C vs AQ6370D: While the AQ6370D is a newer Yokogawa platform with updated UI and extended calibration features, the AQ6317C remains a reliable legacy analyzer for labs that need sub-picometer resolution and wide spectral coverage at a lower total cost.

  
  

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Why Choose Aumictech for the Ando AQ6317C?

The Ando AQ6317C Optical Spectrum Analyzer delivers superior accuracy, high resolution, and excellent dynamic range across the 600–1750 nm range, making it one of the most precise instruments in the AQ6317 series. It is ideal for telecom, photonics R&D, DWDM testing, and optical filter characterization.

At Aumictech, we provide:

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  NIST-traceable calibration to guarantee wavelength and power accuracy

  
  
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  Expert repair and service to extend instrument life and maintain reliability

  
  
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  Upgrade and comparison support to help labs decide between legacy analyzers like the AQ6317C and newer Yokogawa OSAs