Anritsu MS9710A – Optical Spectrum Analyzer

The Anritsu MS9710A is a optical spectrum analyzer designed for spectral characterization across the 600 nm to 1750 nm wavelength range. Built on diffraction-grating technology, it delivers 0.5 nm resolution, 70 dB dynamic range, and -90 dBm minimum sensitivity, enabling precise measurement of light sources, passive optical components, and WDM systems including DWDM channel analysis up to 300 channels.

Technical Specifications

• Wavelength Range: 600 nm to 1750 nm


• Wavelength Accuracy: ±0.3 nm (±0.05 nm with automatic calibration in 1.53–1.57 µm range)


• Resolution: 0.5 nm (typical for dynamic range measurements)


• Dynamic Range: 70 dB


• Measurement Range: -90 dBm to 20 dBm


• Minimum Sensitivity: -90 dBm RMS noise level (1.25–1.6 µm band)


• Polarization Dependency: ±0.05 dB at 1.55 µm band; ±0.1 dB at 1.3 µm band (0.5 nm resolution)


• Input Type: Fibered input

Key Features

• Automatic wavelength calibration for enhanced accuracy in the telecom C-band


• External trigger input for synchronized measurement of modulated and pulsed light


• Wavelength auto-calibration and tracking functionality


• Gate-time configuration for modulated/pulsed signal analysis


• OSNR measurement capability

Typical Applications

• Light source characterization (LEDs, Fabry-Perot LDs, DFB LDs)


• Loss wavelength characteristic measurement in optical devices and passive components (isolators, filters)


• WDM and DWDM system waveform analysis (up to 300 channels)


• Polarization Mode Dispersion (PMD) measurements


• EDFA noise figure and gain assessment


• Optical pulse, wavelength, power, and SNR measurements

Compatibility & Integration

• Monitor Output: VGA connector


• Data Transfer: IEEE 488 (GPIB) and RS-232C


• LabVIEW drivers available for both GPIB (MX971001G) and RS-232C (Z0283) interfaces


• Optional internal light sources: White Light Source (Option 02), Reference Wavelength Light Source (Option 05), SLD Light Source (Option 14), Wavelength Reference & SLD Light Source (Option 13)


• Optional Monitor Output (Option 06)