The Agilent/Keysight 81642A Tunable Laser Source is a high-performance instrument for precise optical testing and characterization across the C- and L-bands. It delivers stable, mode-hop-free, continuously tunable laser output across its full wavelength range, making it essential for DWDM component and optical amplifier testing where high stimulus power and spectral purity are critical.
– Technical Specifications
• Wavelength Range: 1510 nm to 1640 nm
• Output Power: +7 dBm maximum; > −3 dBm minimum (1510–1640 nm)
• Wavelength Accuracy (absolute): ±0.015 nm
• Wavelength Repeatability: ±0.5 pm typical
• Wavelength Resolution: 0.1 pm (12.5 MHz at 1550 nm)
• Spectral Linewidth: 100 kHz (coherent control off); > 50 MHz (1520–1620 nm at maximum flat output power, coherent control on)
• Optical Power Stability: ±0.01 dB over 1 hour
• Tuning Speed: 400 ms, 600 ms, or 2.8 s
• Output Fiber: Polarization Maintaining Fiber (PMF)
– Key Features
• Mode-hop-free tuning across entire wavelength range ensures uninterrupted spectral scanning
• Sub-picometer wavelength repeatability enables precise component characterization
• Selectable connector options: Angled Contact (Option 072) or Straight Contact (Option 071) output connectors
• Optional built-in Programmable Optical Attenuator (Option 003) with > 60 dB dynamic range for flexible power level control
• GPIB interface for remote instrument control and automated test sequences
– Typical Applications
• DWDM system component testing and validation
• Optical amplifier gain and noise figure characterization
• Wavelength-dependent optical component measurement
• Coherent and incoherent optical testing across C- and L-band wavelengths
– Compatibility & Integration
Designed to operate with Keysight 816xB family optical mainframes and modules. Dimensions: 12 × 10 × 8 in; Weight: 10 lbs.
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