The Photonetics 3642HE-10 is a tunable external cavity laser delivering precise wavelength control and stable operation across demanding research and industrial environments. It provides continuous, mode-hop-free tuning with absolute wavelength accuracy of ±0.04 nm and repeatable positioning to ±0.005 nm, making it ideal for spectroscopy, telecommunications, and optical sensing applications requiring wavelength-dependent characterization and testing.
Technical Specifications
Wavelength Performance
• Wavelength Range: 1260 nm to 1640 nm (variant dependent; specific ranges include 1500–1600 nm and 1530–1600 nm)
• Tuning Span: Up to 150 nm continuous, mode-hop-free operation
• Wavelength Accuracy: ±0.04 nm (post-calibration)
• Wavelength Repeatability: ±0.005 nm (typ.)
• Resolution: 0.001 nm
• Side-Mode Suppression Ratio: >40–45 dB
Optical Output
• Output Power: Up to +10 dBm (central wavelength range 1530–1570 nm); typical maximum +8 dBm across full spectral range
• Power Flatness During Scan: ±0.25 dB (typ.)
• Power Stability: ~±0.01 dB/h (typ.)
Control & Interfaces
• Remote Control: RS-232 and IEEE-488 (GPIB) interfaces
• Wavelength & Power Control: Front-panel selection with fine analog tuning and sweeping modes
• Modulation: Continuous wavelength variation at selectable sweep rates
• Safety: Remote interlock connector
Physical
• Form Factor: Benchtop
– Key Features
• Active mode-hop-free control across full tuning range
• Internal wavelength referencing system for calibration accuracy
• High spectral purity with >40 dB side-mode suppression
• Precise power stability suitable for demanding metrology
– Typical Applications
• Optical spectroscopy and absorption measurements
• Telecommunications system characterization
• Optical sensing and detector calibration
• Wavelength-dependent component testing
– Compatibility & Integration
RS-232 and GPIB interfaces enable integration into automated test systems and laboratory control architectures. Front-panel controls support manual operation while remote interfaces facilitate system-level wavelength and power management.
