Handheld battery 1.57µm OPO pulse laser, giant pulse solid-state laser that can convert wavelengths up to the ultraviolet region by Plug & Play, integrated wavelength swept OPO oscillator with integrated Nd:Yag laser excitation light source, high power QCW semiconductor laser , 3D scanning, wind direction Doppler measurement, communications, atomic cooling, small high power optical fiber lasers and fiber amplifiers will be exhibited.