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  • Single-Frequency Lasers
Oct 2012
Cobolt ABRequest Info
SOLNA, Sweden, Oct. 3, 2012 — Cobolt AB has released four single-frequency diode-pumped solid-state lasers based on the 05-01 platform.

The Zouk 355 nm is now available with output power up to 20 mW; the Samba 532 nm up to 1.5 W; the Flamenco 660 nm up to 0.5 W; and the Rumba 1064 nm up to 3 W.

The proprietary laser cavity design provides noise of <0.1% rms from 20 Hz to 20 MHz over a temperature range from 10 to 40 °C; a spectral linewidth of <1 MHz; and immunity to optical feedback. The power scalability and high optical and single-frequency performance make the lasers suitable for use in superresolution stimulated emission depletion microscopy, UV fluorescence analysis in flow cytometry and confocal microscopy, Ti:sapphire laser pumping, DNA sequencing, Raman spectroscopy, optical tweezers, nonlinear frequency conversion and particle analysis. 

The lasers are manufactured using proprietary HTCure technology in a compact and hermetically sealed package, providing immunity to varying environmental conditions. They can be exposed to temperatures >100 °C and are insensitive to pressure and humidity.


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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.
Raman spectroscopy
That branch of spectroscopy concerned with Raman spectra and used to provide a means of studying pure rotational, pure vibrational and rotation-vibration energy changes in the ground level of molecules. Raman spectroscopy is dependent on the collision of incident light quanta with the molecule, inducing the molecule to undergo the change.  
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