The Agilent 81689A Tunable Laser Opt. 022 is a compact laser module engineered for C-band and S+C band optical testing. It delivers precise wavelength tuning across 1525 nm to 1575 nm with 0.01 nm resolution and ±0.3 nm accuracy, making it ideal for DWDM system validation, optical amplifier characterization, and integrated optical device measurement.
Technical Specifications
Wavelength Performance
• Tuning Range: 1525 nm to 1575 nm
• Resolution: 0.01 nm (1.25 GHz at 1550 nm)
• Accuracy: ±0.3 nm
• Repeatability: ±0.05 nm
• Stability: ±0.02 nm over 24 hours
• Tuning Speed: < 10 seconds per 50 nm
Optical Output
• Maximum Power: ≥ 6 dBm across full wavelength range
• Power Stability: ±0.03 dB over 1 hour
• Spectral Linewidth: 20 MHz
Fiber Configuration
• Fiber Type: Standard single-mode with angled contact connector (Option 022)
• Polarization-maintaining fiber options available
Modulation
Supports internal and external modulation via mainframe-supplied TTL reference and input signals.
Environmental
• Operating Temperature: 15 °C to 35 °C
• Storage Temperature: −20 °C to +70 °C
• Humidity: < 80% relative humidity (15 °C to 35 °C)
Laser Safety
Class IIIb (FDA 21 CFR 1040.10), Class 3A (IEC 825-1)
– Key Features
• High wavelength resolution enables discrete channel selection across C-band
• Tight accuracy and stability specifications minimize measurement uncertainty
• Compact module form factor integrates into standard Agilent test platforms
• Low spectral linewidth supports precise optical system characterization
• Supplied calibrated with calibration data; 2-year recalibration recommended
– Typical Applications
• DWDM transmission system testing and validation
• Optical amplifier gain and noise figure measurement
• Wavelength-selective device characterization
• Installation and maintenance phase field testing
– Compatibility & Integration
Full compatibility with Agilent 816x Mainframes, 8163A Lightwave Multimeter, 8164A Lightwave Measurement System, and 8166A Lightwave Multichannel System.
