Ruby Ring: November 2014
Ruby Ring. Friday, November 28, 2014. Ruby Rings In Silver From India ... Read Article
Alexandrite: Alexandrite Ring
100 was used to seed a pulsed alexandrite ring laser, that fired up into the sky. Atmospheric temperature profiles were determined from the temporal and spectral analysis of the back-scattered light by analyzing the Doppler width of the Potassium D1 line at 770 nm ... View Video
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