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meniscus News
New Approaches Improve Beam Expansion
Mar 7, 2014 — Afocal beam expansion systems based on the basic principles of Kepler and Galileo telescopes can be improved in terms of wavefront quality by using additional optical surfaces or aspherizing them using monolithic beam expansion elements. Everyday work in an optics laboratory would be unthinkable without beam expansion systems, which optimally adjust beam cross sections between the light sources (e.g., lasers) and the subsequent optical elements. Precise illumination of the optically
The ins and outs of adjustable microlenses
CHANGCHUN, China – Adjustable microlenses now have a new knob that can be turned, courtesy of a research team led by Yanchun Han of Changchun Institute of Applied Chemistry. The group demonstrated two new types of variable-focus liquid microlenses, one constructed...
Meniscus is no Mole Hill to the Small
Sep 29, 2005 — CAMBRIDGE, Mass., Sept. 29 -- Walking on water is no problem for some bugs. Getting out can be another story. An obstacle that's nearly invisible to humans can be a life-or-death challenge for a creature the size of, say, a speck of dust. Two...
(3 results found)
April 2024
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