New compact cylindrical temperature-controlled TEC laser with built-in USB introduced by World Star Tech. The size of the USB laser system with TEC is only 1 in. in diameter and 3 in. in length, providing 0.01° temperature control capability and less than 0.25% laser power stability with 1-MHz modulation capability. It is available from 375 nm to 1064 nm at various laser power levels as standard. Customized options are also available.