PHYICS OF WAVE GROUP VELOCITIES IN METROLOGY FOR DISPERSION MEDIA

Alexander Koshelev
Abstract:
Phase and group velocities of wave are most frequently used in the research of physical processes and phenomena in dispersion media. The difference existing between phase velocities of ideal harmonic waves and real non-monochromatic waves comes into conflict with their physical interpretation, that sometimes brings some additional errors both in theoretical investigations and the results of physical measurements. The concepts developed at the beginning of the 20th century have not been properly estimated and now they need to be specified and revised.
Keywords:
phase and group velocity
Download:
IMEKO-TC14-2011-38.pdf
DOI:
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Event details
IMEKO TC:
TC14
Event name:
TC14 LMPMI Symposium 2011
Title:

10th Symposium on Laser Metrology for Precision Measurement and Inspection in Industry

Place:
Braunschweig, GERMANY
Time:
12 September 2011 - 14 September 2011
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