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Coherent has expanded its Genesis family of multi-watt visible lasers for life sciences with two new models offering 2W and 4W of output power at 514nm.

Based on Coherent’s optically pumped semiconductor laser (OPSL) technology, the Genesis CX 514 is the company’s first solid-state laser to provide multiple watts of CW output at this legacy wavelength. Both the 2W and 4W models feature low (<0.1 per cent) output noise, TEM00 beam quality, and full CDRH compliance making them ideal for both OEM and demanding stand-alone research applications.

Genesis CX 514 lasers are 25 times more electrically efficient than their ion predecessors, and there is no requirement for cooling water. The Genesis CX 514 laser head measures just 281 x 156 x 85mm (11.06 x 6.14 x 3.35-inches) and the OEM power supply is only 299 x 208 x 97mm (11.8 x 8.2 x 3.8-inches). 

In addition, the Genesis CX 514 has an expected lifetime greater than 20,000 hours, three to four times longer in comparison to ion technology. The output power of these new Genesis CX 514 lasers can also be adjusted from 10-100 per cent of the maximum value with no effect on beam quality or beam pointing stability, which is <2 μrad/°C.

The 514nm output of these new Genesis lasers make them suited for fluorescence-based applications in life sciences and in bioinstrumentation. They are also useful for pumping dye and solid-state gain mediums.