Search results
Results from the WOW.Com Content Network
Contained within the glass are melted bits of the first atomic bomb and the support structures and various radionuclides formed during the detonation. The glass itself is marvelously complex at the tens to hundreds of micrometre scale, and besides glasses of varying composition also contains unmelted quartz grains.
Atomic beam is special case of particle beam; it is the collimated flux (beam) of neutral atoms. The imaging systems using the slow atomic beams can use the Fresnel zone plate (Fresnel diffraction lens) of a Fresnel diffraction mirror as focusing element. The imaging system with atomic beam could provide the sub-micrometre resolution.
Like an optical beam, the atomic beam may exhibit diffraction and interference, and can be focused with a Fresnel zone plate [2] or a concave atomic mirror. [ 3 ] For comprehensive overviews of atom optics, see the 1994 review by Adams, Sigel, and Mlynek [ 1 ] or the 2009 review by Cronin, Jörg, and Pritchard. [ 4 ]
The structure of glasses differs from the structure of liquids just above the glass transition temperature T g which is revealed by the XRD analysis [10] and high-precision measurements of third- and fifth-order non-linear dielectric susceptibilities. [11] Glasses are generally characterised by a higher degree of connectivity compared liquids. [12]
Doppler cooling involves using laser light that is red-detuned from an atomic transition, which means the laser frequency is higher than the natural resonance frequency of the atoms. When atoms move towards the laser beam, they experience a higher frequency light shift, resulting in an optical force that slows them down.
X-ray optics is the branch of optics dealing with X-rays, rather than visible light.It deals with focusing and other ways of manipulating the X-ray beams for research techniques such as X-ray diffraction, X-ray crystallography, X-ray fluorescence, small-angle X-ray scattering, X-ray microscopy, X-ray phase-contrast imaging, and X-ray astronomy.
The attacker who drove a truck through Bourbon Street in New Orleans used Meta smart glasses to scout the scene ahead of New Year’s Day, according to an announcement from the FBI on Sunday.
To make the short-wavelength probe non-destructive, the atomic beam imaging system (atomic nanoscope) has been proposed and widely discussed in the literature, but it is not yet competitive with conventional imaging systems. [citation needed] STM and AFM are scanning probe techniques using a small probe which is scanned over the sample surface.