Oxxius Inc. has expanded its portfolio of ultracompact laser modules by increasing the power of its yellow Slim-561 product line to 100 mW. The diode-pumped solid-state (DPSS) lasers are available in 473-, 532- and 561-nm wavelengths. They offer low noise and single-frequency emission, and they come in a compact package. Applications include cellular imaging. All the Slim-series lasers are available with power supply/controller modules in either an OEM configuration or in a plug-and-play version.