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  • 561-nm DPSS Laser

May 2011
Cobolt ABRequest Info
Cobolt AB has released a new wavelength on the single-frequency Cobolt Jive diode-pumped solid-state (DPSS) laser. It now operates at 561 nm with up to 300 mW of continuous-wave output power and is suited to applications such as flow cytometry and superresolution microscopy. It produces a TEM00 beam with M2 <1.1, and a new proprietary cavity design provides ultralow-noise performance of typically <0.1% rms from 20 Hz to 20 MHz, an operating temperature range of 0 to 40 °C, and a narrow spectral linewidth of <1 MHz. Immune to optical feedback, the laser is manufactured using proprietary HTCure technology in a compact and hermetically sealed package that provides reliability and immunity to varying environmental conditions. The laser can withstand multiple 60-g mechanical shocks in operation.


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diode-pumped solid-state laser
A compact solid-state laser, referred to as DPSSL, created when a laser diode pumps light into either the sides or end of gain crystal. Depending on where the pumping occurs, high-quality and stable output beams can be achieved with end-pumped lasers, and high-power output beams can be realized as with side-pumped lasers. Common in green laser pointers, DPSSLs are also used for a variety of materials processing applications, such as cutting and precision marking, and in optogenetics.
flow cytometry
A method of measuring the characteristics of microscopic particles, usually cells, as they flow in a fluid stream through a beam of light. Particles may be stained with fluorescent dye and the fluorescence detected via laser illumination.
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