Single-frequency, narrow-linewidth CW DPSS lasers from CNI Laser at 320, 349, 355, 360, 375, 405, 729, 785, 808 and 810 nm. Linewidth below 1 MHz on MSL-FN models, M² from below 1.1 to below 1.5, coherence length above 30 m on MSL-T models, and up to 15 W across the family, model dependent. Used in spectroscopy, flow cytometry, DNA sequencing and quantum research. Petrano Supply Inc. is a distributor of CNI Laser in Canada.