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Researchers demonstrate room-temperature lasing in photonic-crystal surface-emitting laser
In a first for the field, researchers from The Grainger College of Engineering at the University of Illinois Urbana-Champaign ...
Interesting Engineering1d
How much radiation is too much? Less than you think
From cosmic rays to CT scans, radiation surrounds us but not all exposure is dangerous. Here’s how to separate fact from fear ...
Tunable laser light: Ring design could be used in telecom, medicine and more
Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and Technical University of ...
IEEE4d
100 ps 360 mJ 200 Hz Nd:YAG laser for the lunar laser ranging
We developed high-power diode-pumped Nd: YAG 1.064 μm laser with pulse duration of 100 ps, energy of 360 mJ, pulse repetition rate of 200 Hz and divergence of laser radiation at the level 1.3 of ...
IEEE6d
Sharp Focused Modes of Metallic and Dielectric Waveguide Resonators of ...
The sharp focusing of laser radiation is widely used in many optical devices: photolithography, confocal microscopy, optical memory disks, and optical micromanipulation. Using the Rayleigh-Sommerfeld ...