Tunable external cavity laser

The Photonetics 3642HECL is a benchtop tunable external cavity laser from Photonetics (later integrated into EXFO), part of the TUNICS-Plus series. It is based on an ultra-stable self-aligned optical cavity design with active control technology. Key Features: Wavelength Range: 1500 – 1640 nm (some models extend to 1260 – 1640 nm); fully covers C-band (1525–1565 nm) and L-band (1565–1625 nm) Wavelength Resolution: 0.001 nm Wavelength Accuracy: ±0.04 nm Mode-Hop-Free Operation: True continuous tunability across the entire tuning range with no mode hops Optical Output Level: 0 dBm Optical Power Stability: ±0.01 dB Fiber Type: SMF-28 Connector Type: FC/APC Applications: Fiber-optic communications testing, DWDM full-band testing, photonics research, and industrial/metrology applications