Z-LASER (Freiburg, Germany) now offers a high-performance green laser with output powers up to 300mW in a bench mountable package. It is compatible with M6 and ¼"-20 breadboards. The laser is available in two versions: a standard collimated version and a fiber-coupled laser.
Features include spectral line width of down to <0.1nm and an integrated thermoelectric cooler. The internal state of the laser can also be monitored by the user via a USB port. Applications include raman spectroscopy, interferometry, holography, and wafer inspection.