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Q-Switched DPSS UV Laser

Photonics.com
May 2013
Spectra-PhysicsRequest Info
 
SANTA CLARA, Calif., May 14, 2013 — Spectra-Physics, a Newport Corp. brand, has introduced Explorer One, an ultrasmall actively Q-switched diode-pumped solid-state ultraviolet laser for applications including Maldi-Tof mass spectrometry, laser microdissection, UV plastics marking and stereolithography.

Its proprietary “It’s in the Box” design combines laser resonator and control electronics in a single housing. The instrument is available in two versions, at 349- and 355-nm wavelengths. Explorer One 349-120 delivers >120 µJ at 1-kHz repetition rate; the 355-300 delivers >300-mW output power at 50-kHz repetition rate. Both lasers have short pulse widths (<5 and <8 ns, respectively) and low pulse energy noise (<2% and <3%, respectively) for ultrastable processes and highest production yields.

The device weighs less than 1.5 kg and has been tested to endure bare product shock and vibration with accelerations of up to 100 g, making it suitable for moving gantries.


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GLOSSARY
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.
mass spectrometry
An instrumental technique that utilizes the mass-to-charge ratio of charged particles as recorded from a mass spectrometer in order to determine the mass of a particle as well as the chemical makeup, or elemental ionic composition of a given sample or molecule.
stereolithography
A method of creating real three-dimensional models by using lasers driven by CAD software. In contrast to the normal practice of removing material, this process polymerizes a liquid to quickly produce shapes that are untouched by human hands or cutting tools. Also known as three-dimensional imaging and three-dimensional modeling.  
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