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Photonics Handbook
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Laser Safety: Important Considerations
Ken Barat, Laser Safety Solutions
When purchasing an industrial laser system, the astute buyer will look for a Class 1 laser product — a system where the laser beam hazard is completely enclosed and there is no potential laser...
Lasers: Understanding the Basics
Coherent Inc.
Over 60 years have passed since the first demonstration of a laser in 1960. After the initial spark of interest, lasers were for a while categorized as “a solution waiting for a problem,”...
Thin-Film Coatings: A Buyers' Guide
Trey Turner and Roger Kirschner, Research Electro-Optics Inc. (REO)
What are thin-film coatings? The purpose of any optical thin-film coating is to modify the transmittance and reflectance properties of the substrate material to which they are applied. Most coatings...
Rules of Thumb
Photonics Rules of Thumb Scientists and engineers tend to want to answer simple relational questions with a blackboard covered with equations, even when questioners just want a rough estimate to...
Data Tables: Optical Thin-Film Materials
DATA TABLES: OPTICAL THIN-FILM MATERIALS Identification Physical Parameters Material Name Material Formula Transparent Region(µm) (see note a) Index at Wavelength...
Nd:YAG Lasers: Standing the Test of Time
Quantel USA
The ubiquitous Nd:YAG laser has played many roles over the years. For the military, it has provided rangefinding and target designation capabilities. When used with nonlinear optics or as a pump...
Solid-State Lasers: Lower Noise Means Higher Performance
Kenneth Ibbs and Alex Laymon, DPSS Lasers, Inc.
Many linear materials proceseqsing applications call for lasers with continuous-wave (CW) output. For example, early stereolithography systems were based on CW lasers such as argon-ion or HeCd. To...
Particle Image Velocimetry: Basics, Developments and Techniques
M. Kelnberger, InnoLas GmbH; G. Schwitzgebel, Universität Mainz
Particle image velocimetry (PIV) is an experimental tool in fluid mechanics and aerodynamics. The basic principle involves photographic recording of the motion of microscopic particles that follow...
Photonics Handbook
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