Simulation of a Q-switched Nd:YAG Laser: Numerical Beam Propagation Reveals What Happens, Analytical Reasoning Explains It https://www.rp-photonics.com/Spotlight 2013-09-24.html?s=rss A nice example for numerical simulations of beam propagation in Q-switched Nd:YAG lasers shows that unexpected effects can be found with numerical simulations, but not so easily with analytical models or with experiments. However, you then need analytical reasoning to really understand what is going on. Tue, 24..
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Launching Light into Step-Index Multimode Fibers
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1y ago
Details of launching light into a step-index multimode fiber are discussed and demonstrated with various numerical simulations. Various surprising findings can be explained well ..read more
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Encyclopedia Articles on Laser Material Processing
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1y ago
The RP Photonics Encyclopedia covers the field of laser material processing quite comprehensively and carefully. For example, it explains underlying physical principles and resulting limitations ..read more
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1000 Articles in the RP Photonics Encyclopedia
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1y ago
The number of articles in the RP Photonics Encyclopedia has reached 1000. It is time for some remarks on quantity and quality, and on the coverage of the whole area of photonics. The underlying business model is also explained ..read more
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Wavelength or Optical Frequency, What Is the Better Specification?
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1y ago
For various reasons, it would actually be more natural and convenient to specify optical frequencies rather than optical wavelengths, e.g. of lasers. However, it is understandable why in the past it became common to specify wavelengths. It is probably too late to change this convention. At least, one should be aware of the difference between vacuum wavelengths and wavelength in air ..read more
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Luminance – a Term which is Worth Some Thoughts
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1y ago
Luminance is an interesting term in optics, which is worth some thoughts. Here, it is discussed to which extent luminance is a measure for perceived brightness of light sources or objects, and how the term is related to some others ..read more
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Improvements of the RP Photonics Website
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1y ago
Here, it is summarized what improvements have been implemented on the RP Photonics website in the year 2020. Apart from the addition of further content, a lot of technical features have been improved with benefits in terms of mobile usability, page speed, and security ..read more
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Beam Radius and Beam Quality of Laser Pulses
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1y ago
When considering laser pulses rather than continuous-wave radiation, various additional aspects in the context of beam radius and beam quality come into play. In some lasers, these quantities vary during the pulse duration, and one that needs to think about how exactly to define, measure and compute these quantities ..read more
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New Information Channel of RP Photonics: the RP Photonics Marketing News
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1y ago
RP Photonics has started to offer another blog, distributed as a newsletter: the RP Photonics Marketing News. Marketing-related information will now be found there, while the Photonics Spotlight will focus on scientific and technical matters ..read more
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Time to Start Digital Marketing with RP Photonics – with a Discount
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1y ago
More photonics companies than ever have started digital marketing with RP Photonics in recent months. Currently, that can be done with a discount due to the coronavirus crisis, although the value of that advertising has by no means been diminished ..read more
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