The JW3406A laser power meter is designed to measure the optical power of the incident beam by using the integrated sphere power sensor head and silicon detector superimposed. It is insensitive to the divergence Angle and current situation of the incident beam, and is specially designed for fiber coupling and free space applications. The power meter sensor head measures a maximum optical power of 20W. Custom properties: Features: 5.6-inch large screen display, power can be measured up to 20W, wavelength range 400-1100nm wide Application: Measuring carbon dioxide laser,YAG laser, semiconductor laser, solid state laser, medical laser and optical fiber