We provide cost effective ultra-compact 473nm blue laser systems. The 473nm blue laser system is a circular beam output and equipped with temperature control TEC. These lasers are specifically designed for OEM, scientific and industrial use. All solid state 473nm blue laser is made features of ultra compact, long lifetime, low cost and easy operating, which is used in fluorescence sensors,Raman spectrum, laser printing,holography, laser display, submarine communication, biomedicine, laser lighting show, etc.