This state-of-the-art tunable laser source has a proprietary design by FiberLAST. This wavelength tunable LASER source designed and produced as a benchtop equipment that simplify the usage in research and development laboratories, production lines and manufacturing testing. It has a wide wavelength tuning range and high output power stability that complies with ITU standards. It can be provided in C band, L band or C+L band. W-TLS is widely used in Telecom applications, research and design of wavelength division multiplexers (WDMs), WDM test systems, sensing applications, gyro production and testing, etc.