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Lasers, LEDs White Papers
Beam Expansion - Standard Concepts Re-interpreted
Everyday work in an optics laboratory would be unthinkable without beam expansion systems. They serve to optimally adjust the beam cross sections between the light sources (e.g. lasers) and the subsequent optical elements. Precise illumination of the optically effective surfaces is essential, especially for beam shaping and focusing with high numerical apertures. The most widespread basic principles of afocal beam expansion systems are based on the telescopes of Kepler and Galileo. In the...
Power Technology’s iMAT® DPSS Laser Platform Ideal for Raman Spectroscopy
Power Technology’s iMAT series of DPSS lasers are inherently beneficial to the Raman Spectroscopy industry because of its patented technology which inherently produces actively stabilized single frequency wavelengths at 532 nm and 1064 nm. This...
Real-time Profiling for Focusing, M2, Divergence & Alignment
Beam intensity profiling is an essential tool in many aspects of photonics. The precise intensity distribution in a focused laser beam is critical in many applications: flow cytometry, laser printing, medical lasers, and cutting lasers are just a...
Dispersive 1064nm Raman Spectrometer Family
Owing to technological improvements spurred on by the telecommunications boom of the last decade, Raman spectroscopy has become much more accessible to users in all fields. The combination of improved technology and the technique’s molecular...
Welding with High Power Diode Lasers
Whereas CO2 and fiber lasers have long been used for welding metal parts together, there are many cases where high-power diode lasers make much more sense. This paper provides an introduction to high-power diode laser technology and its use in...
Heat Treating with High Power Diode Lasers
CO2 lasers have been used to case harden metal products for decades, but their low reliability and electical conversion efficiency makes them less than ideal for such heat treating tasks. High-powered laser diode lasers overcome the disadvantages of...
Cladding with High Power Diode Lasers
This article provides an introduction to high-power diode laser technology and its use in cladding. In particular, it compares the capabilities and characteristics of diode lasers with traditional cladding methods as well as alternative laser...
The Benefits of Laser-Reflection Based Ultraprecision Active Alignment
Aligning and centering lenses for cementing or positioning in an optical system poses different challenges depending on the final precision requirements and the methods used during alignment. This paper details the benefits of laser-reflection-based...
An Introduction to Diode Lasers for Materials Processing
Low-power diode lasers are a well established technology, used extensively in products such as DVD players, computer optical drives, fiber-optic telecommunications and even laser pointers. While these commonly encountered low power diode lasers...
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May/Jun 2024
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