1.Blue Laser 2.DPSS Laser 3.473nm Blue Laser Blue laser-473nm Blue DPSS Laser(20-150mW)Features:1.Ultra Compact 2.Lost Cost3.Long ... -100120mW/SPL-473B-120Specifications:Model No:SPL-473B-20,30,40,50,80,100,120,150Wavelength(nm):473Output Power(mW)>20 ... ,30,40,50,80,100,120,150Transverse Mode:Near TEM 00Operation Mode ...