Researchers have successfully demonstrated a single-step focal zooming process to maximize the efficiency of the world's largest operating krypton fluoride gas laser. Researchers at the U.S. Naval ...
Vision, microscopy, imaging, optical data projection and storage all depend on focusing of light. Dynamic focusing is conventionally achieved with mechanically reconfigurable lenses, spatial light ...
The optical focal spot is limited by the size of the acoustic focal spot. Right now our focal diameter is 0.8 mm. We can increase the ultrasound frequency and shrink the focal spot, but there is a ...
WASHINGTON--Researchers at the U.S. Naval Research Laboratory have successfully demonstrated pulse tailoring, producing a time varying focal spot size known as 'focal zooming' on the world's largest ...
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