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DPSS Laser

Photonics Spectra
Aug 2010
Cobolt ABRequest Info
 
The Samba 05-01 platform, manufactured by Cobolt AB for single-frequency and ultralow-noise continuous-wave lasers, generates up to 1 W of CW output power at 532 nm from a compact package. Applications include high-resolution Raman spectroscopy, interferometry, flow dynamics, high-speed fluorescence analysis and laser pumping on an industrial level. The diode-pumped solid-state laser delivers a TEM00 beam with M2 of <1.1. A new proprietary cavity design provides typical noise performance of <0.1% rms from 20 Hz to 20 MHz, with an operating temperature range from 10 to 40 °C and a narrow spectral linewidth of <1 MHz. The use of the company’s periodically poled potassium titanyl phosphate frequency conversion technology in the laser design also provides high power efficiency. The system consumes less than 66 W.


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GLOSSARY
beam
1. A bundle of light rays that may be parallel, converging or diverging. 2. A concentrated, unidirectional stream of particles. 3. A concentrated, unidirectional flow of electromagnetic waves.
cavity
In a laser, the optical resonator formed by two coaxial mirrors, one totally and one partially reflective, positioned so that laser oscillations occur.
interferometry
The study and utilization of interference phenomena, based on the wave properties of light.
power efficiency
The ratio of emitted power to input power.
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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