The Ando AQ6331 is a compact, portable Optical Spectrum Analyzer (OSA) designed for high-performance DWDM network installation, maintenance, and R&D testing in both the C and L bands. It combines bench-top level wavelength accuracy, resolution, and dynamic range with a lightweight, field-ready design featuring an integrated 8.4-inch color display and a built-in high-speed printer.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488.2), RS-232C, PS/2 Keyboard/Mouse, VGA Output |
| Display | 8.4-inch color TFT LCD |
| Printer Paper Width | 58 mm |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 to 240 V AC, 50/60 Hz, approx. 100 VA |
| Operating Temperature | 5 to 40 °C |
| Dimensions (W×H×D) | 320 (W) × 225 (H) × 360 (D) mm |
| Weight | 13 kg |
Wavelength Specifications
| Parameter | Value |
|---|---|
| Wavelength Range | 1200 to 1700 nm |
| Wavelength Accuracy | ±0.05 nm (1520 to 1580 nm, after calibration with internal light source) |
| Wavelength Accuracy (Full Range) | ±0.10 nm (1200 to 1700 nm) |
| Wavelength Linearity | ±0.02 nm (1520 to 1580 nm) |
| Wavelength Repeatability | ±0.01 nm (1 minute) |
| Wavelength Span Range | 0.2 to 500 nm, and 0 nm |
| Wavelength Temperature Stability | ±0.005 nm/°C (1520 to 1580 nm) |
Resolution and Bandwidth
| Parameter | Value |
|---|---|
| Resolution Bandwidth Settings | 0.05, 0.1, 0.2, 0.5, 1.0, 2.0 nm |
| Minimum Resolution Bandwidth | 0.05 nm |
| Maximum Resolution Bandwidth | 2.0 nm |
| Resolution Bandwidth Accuracy | ±5% (at 0.1 nm resolution setting) |
Optical Power and Amplitude
| Parameter | Value |
|---|---|
| Power Measurement Range | -65 to +10 dBm (1520 to 1580 nm, resolution 0.05 nm) |
| Power Measurement Range (Full Range) | -60 to +10 dBm (1200 to 1700 nm) |
| Maximum Input Power | +20 dBm (safe maximum input level) |
| Power Level Accuracy | ±0.3 dB (at 1550 nm, -20 dBm input) |
| Level Flatness | ±0.5 dB (1520 to 1580 nm) |
| Polarization Dependency | ±0.05 dB (1520 to 1580 nm) |
| Level Linearity | ±0.05 dB (0 to -40 dBm) |
| Level Linearity (Full) | ±0.10 dB (0 to -50 dBm) |
| Optical Dynamic Range (at ±0.2 nm) | 45 dB (resolution 0.05 nm, typ.) |
| Optical Dynamic Range (at ±0.4 nm) | 50 dB (resolution 0.05 nm, typ.) |
| Optical Return Loss | 35 dB or more |
Measurement Speed and Sweep
| Parameter | Value |
|---|---|
| Sweep Time (100nm Span) | 0.5 s or less |
| Sampling Points | 101 to 10001 (settable) |
| Measurement Modes | Single, Continuous, Repeat, Average |
Optical Interfaces
| Parameter | Value |
|---|---|
| Optical Input Connector | FC (standard, others optional) |
| Compatible Fiber Types | 9/125 μm Single-mode fiber (GI 50/125 μm compatible) |
| Internal Calibration Light Source | Built-in reference source for wavelength calibration |
Analysis and Application Software
| Parameter | Value |
|---|---|
| WDM Analysis Functions | Channel wavelength, Channel power, OSNR (up to 300 channels) |
| DFB-LD Analysis | SMSR, Peak wavelength, Peak level, Bandwidth |
| FP-LD Analysis | Mean wavelength, Spectral width (FWHM, RMS), Total power |
| LED Analysis | Peak wavelength, FWHM spectral width, Mean wavelength |
| EDFA Analysis | Gain, Noise Figure (NF) using interpolation/polarization methods |
| Spectral Width Analysis | RMS, FWHM (Envelope), Threshold methods |
| Trace Capacity | Three waveform traces (A, B, C) can be displayed and written |
| Built-in Marker Functions | Delta marker, Interval marker, Line markers |
External Connectivity and Control
| Parameter | Value |
|---|---|
| GPIB Interface | IEEE-488.2 compatible |
| Serial Interface | RS-232C (D-sub 9-pin) |
| Internal Storage Drive | 3.5-inch Floppy Disk Drive (FDD), MS-DOS format |
| Built-in Printer | High-speed internal thermal printer |
Environmental and Regulatory
| Parameter | Value |
|---|---|
| Maximum Operating Humidity | 80% RH or less (no condensation) |
| Warm-up Time | Approx. 1 hour (for specified accuracy) |
Control & Programming
| Parameter | Value |
|---|---|
| User Program Capacity | Up to 200 steps for custom automated measurements |
Display & Analysis
| Parameter | Value |
|---|---|
| 3D Display Mode | Supported (visualizes spectral changes over time) |
Measurement & Analysis
| Parameter | Value |
|---|---|
| Pulse Light Measurement | Peak hold function included for measuring pulsed optical sources |
Performance
| Parameter | Value |
|---|---|
| Level Repeatability | ±0.05 dB (within 1 minute) |
Display
| Parameter | Value |
|---|---|
| Wavelength Display Resolution | 0.01 nm |
| Level Display Resolution | 0.01 dB |
Technology
Diffraction Grating Spectroscopy
Applications
DWDM Network Testing & Fiber Optic Analysis