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Diode Laser

BioPhotonics
Jan 2011
Technobis GroupRequest Info
 
The Pulse is a high-speed diode laser manufactured by Technobis Mechatronics that combines good beam quality (a result of spatial filtering) and high-speed analog modulation with full analog intensity control. The intensity can be monitored with the high-speed output terminal. The compact and fully configurable device is a cost-effective solution for applications where high-speed modulated pulses are required, including lithographic mask writing, confocal microscope illumination, computer-to-plate printing, optical media mastering and Raman spectroscopy. Available wavelengths and power outputs are: 375 nm at 15 mW, 405 nm at 100 mW, 445 nm at 40 mW, 473 nm at 15 mW, 488 nm at 50 mW, and 640, 660, 785 and 808 nm at 100 mW. TEM00 beam quality is M2 <1.1, beam diameter is 0.70 ±0.1 mm, pointing stability is <30 μrad/°C, polarization is >1:100, and power stability is <1%.


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GLOSSARY
polarization
With respect to light radiation, the restriction of the vibrations of the magnetic or electric field vector to a single plane. In a beam of electromagnetic radiation, the polarization direction is the direction of the electric field vector (with no distinction between positive and negative as the field oscillates back and forth). The polarization vector is always in the plane at right angles to the beam direction. Near some given stationary point in space the polarization direction in the beam...
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.  
spatial filtering
In image processing, the enhancement of an image by increasing or decreasing its spatial frequencies.
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