The Photonetics 3641 TS HRB is a tunable optical source engineered for precision testing and measurement of optical components and systems. Operating across the C-band with 0.01 nm resolution, it delivers stable, accurate optical signals suitable for both laboratory and field deployment. The instrument integrates into multi-unit test systems and supports remote control via standard interfaces.
Technical Specifications
• Wavelength Range: 1520 to 1600 nm
• Resolution: 0.01 nm
• Output Power: 0 dBm
– Key Features
• High-resolution tuning for demanding optical verification tasks
• Compact, modular benchtop design with lateral retractable handles
• Standard communication interfaces (IEEE-488 and RS-232) for remote operation and system integration
• Configurable into 19″ rack assemblies for multi-instrument test setups
• User maintenance limited to connector cleaning, cable inspection, and external cleaning
– Typical Applications
The 3641 TS HRB addresses testing requirements in optical component characterization, fiber optic system validation, and wavelength-dependent performance verification across the 1520–1600 nm band.
– Compatibility & Integration
Designed for integration into larger test systems, the unit operates with standard test equipment control protocols. The TUNICS product line heritage ensures compatibility with existing measurement infrastructures and supports assembly into modular rack configurations.

















