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Nanosecond UV Lasers

Photonics Spectra
Aug 2014
Photonics Industries International Inc.Request Info
 
BOHEMIA, N.Y., May, 27, 2014 — Combining its proficiency in intracavity harmonic generation with end-pumping diodes, Photonics Industries has introduced the DSH-355 series multifunctional diode-pumped solid-state nanosecond UV lasers. More efficient than external cavity harmonic generation, intracavity harmonic generation provides better pulse-to-pulse stability and superior average power stability while staying relatively insensitive to ambient temperature changes. The DSH series houses a nonconsumable third-harmonic-generation crystal, rendering complicated crystal indexing schemes unnecessary. Smaller beam distortions and better mode quality results lead to increased depth of focus for deep drilling. Applications include flexible printed circuit board cutting, UV marking applications and indium tin oxide patterning, among others.


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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.
crystal
A solid with a structure that exhibits a basically symmetrical and geometrical arrangement. A crystal may already possess this structure, or it may acquire it through mechanical means. More than 50 chemical substances are important to the optical industry in crystal form. Large single crystals often are used because of their transparency in different spectral regions. However, as some single crystals are very brittle and liable to split under strain, attempts have been made to grind them very...
diode
A two-electrode device with an anode and a cathode that passes current in only one direction. It may be designed as an electron tube or as a semiconductor device.
distortion
A general term referring to the situation in which an image is not a true-to-scale reproduction of an object. The term also is used to connote the temporal alteration of the signal's waveform shape. There are many types of distortion. See also anamorphic distortion; curvilinear distortion; keystone distortion; panoramic distortion; perspective distortion; radial distortion; stereoscopic distortion; tangential distortion; wide-angle distortion.
focus
1. The focal point. 2. To adjust the eyepiece or objective of a telescope so that the image is clearly seen by the observer. 3. To adjust the camera lens, plate, or film holder so that the image is rendered distinct. 4. To move an entire microscope body tube relative to a specimen to obtain the sharpest possible image.
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