2MW-24MW 1310nm DFB butterfly laser diode produce laser beams with a stable wavelength.It can deliver high output power up to a maximum of 24MW.The module is composed of a built-in or external opto-isolator,14-pin butterfly package with thermo-electric cooler,single mode fiber butterfly,900μm tight tube,and FC/APC connector.The length of fiber butterfly is 1.00±0.10m.With a low threshold current,the device can be supplied with a built-in or external modem.