The EM4 high power laser has a fiber coupled output power of typical 3W. The module is ideal for use in a variety of applications where brightness is essential with a reliable and robust packaging. The module is hermetically sealed into an 8 pin butterfly metal ceramic package and contains a thermistor for temperature monitoring. The module is pigtailed using a step index fiber with a 0.15 or 0.22 numerical aperture, 105 micron core diameter.
