The GN Nettest/Photonetics 3644HE-15/Tunics-Amp combines a tunable external cavity laser with an integrated optical amplifier for precision optical testing and component characterization. This instrument delivers high output power across a broad wavelength range with exceptional stability, making it suitable for fiber optic communications testing in laboratory and production environments.
## Technical Specifications
**Optical Performance**
• Wavelength tuning range: 1520–1610 nm or 1530–1600 nm
• Output power: +3 dBm to +13 dBm (configuration-dependent)
• Power stability: ±0.01 dB/h
• Wavelength accuracy: ±0.03 nm to ±0.04 nm after warm-up
• Wavelength stability: ±0.005 nm/h
• Spectral width (FWHM): 40 dB
• Relative intensity noise: >145 dB/Hz
• Tuning resolution: 10 pm (standard) or 1 pm (high-resolution option)
• Tuning repeatability: ±0.01 nm
• Tuning speed: up to 100 nm/s
• Mode-hop-free operation: Active control across full tuning range
**Amplifier Module**
• Small signal gain: >25 dB or >35 dB
• Noise figure: 40 dB
• Precision wavelength accuracy and long-term stability
• Dual-interface control via RS-232 and GPIB
• Broad modulation capability for dynamic testing
## Typical Applications
• Optical component characterization and testing
• Fiber optic communications system validation
• Wavelength-dependent device measurements
• Amplified optical signal generation
## Compatibility & Integration
The instrument accepts external control via RS-232 C and IEEE-488.2 interfaces. External modulation input supports frequencies to 1 GHz, enabling integration with RF test equipment. Auxiliary outputs provide real-time power and wavelength monitoring.
