Progress towards atom lithography on iron

Sligte, E. te; Smeets, Bart; Bosch, Robert; Stam, K.; Maguire, Liam; Scholten, R. E.; Beijerinck, H.C.W.; Leeuwen, K. A. H. van

doi:10.1016/s0167-9317(03)00172-2

Cited by 16 publications

(9 citation statements)

References 9 publications

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“…The rescaled compression time function, τ c (t), is obtained consequently by a numerical integration of Eq. (11). Overall, Eq.…”

Section: The Scaling Solution Modelmentioning

confidence: 91%

“…Such implementation enables the design and test of quantum three-dimensional (3D) computer chips and processors [1,2]. The focusing of neutral atomic beams using optical laser lights in order to create nano-structure sizes has been established in [3][4][5][6][7][8][9][10][11][12][13][14]. Taking advantage of optical lattices (standing waves) results in a large array of identical substructures with a high spatial coherence such as photonic materials [15].…”

Section: Introductionmentioning

confidence: 99%

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Analytical Investigation of Focusing Bose-Einstein condensates

Richberg,

Martin

2021

Preprint

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The focusing of a propagating untrapped Bose-Einstein condensate is studied theoretically. We use a scaling solution method comprising a time-dependent scaling function to analytically examine the dynamics of a falling Bose-Einstein condensate in different regimes of propagation including the expansion and compression zones. Our model is based on the Gross-Pitaevskii equation which involves the interparticle interactions between atoms, and consequently their influence on the focused structures. We investigate the focused profile characteristic factors such as the resolution and peak density for various cases of the focusing optical potential parameters as well as the factors associated with the moving cloud. Our results are compared with numerical solutions of the Gross-Pitaevskii equation.

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“…The rescaled compression time function, τ c (t), is obtained consequently by a numerical integration of Eq. (11). Overall, Eq.…”

Section: The Scaling Solution Modelmentioning

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Analytical Investigation of Focusing Bose-Einstein condensates

Richberg,

Martin

2021

Preprint

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“…Sligte et al [21] applied atomic lithography technique to iron for producing periodic magnetic nanostructures through laser cooling, the first triumphant laser cooled ferromagnetic element demonstration. Similarly, to demonstrate the suitability of a designed compact high power laser diode in an external cavity as a light source for neutral atom cooling, a BEC of about a million 87 Rb atoms was produced [22].…”

Section: Hyperfine Transitions and Cooling Of Atomsmentioning

confidence: 99%

Diode lasers: From laboratory to industry

Nasim

Jamil

2014

Optics & Laser Technology

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“…The fine tuning of the atom source, velocity and laser collimation can produce a line width as small as 5 nm. Thus, laser atomic lithography is a promising tool to obtain nanoscale dot sizes required by high recording densities above 10 Tb/inch 2 in addition to providing a platform to study atom-to-atom interactions [116,117].…”

Section: Atomic Lithography: Laser Cooling For Atomic Engineeringmentioning

confidence: 99%

Laser precision engineering: from microfabrication to nanoprocessing

Chong

Hong

Shi

2010

Laser & Photonics Reviews

199

105

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Laser precision engineering is being extensively applied in industries for device microfabrication due to its unique advantages of being a dry and noncontact process, coupled with the availability of reliable light sources and affordable system cost. To further reduce the feature size to the nanometer scale, the optical diffraction limit has to be overcome. With the combination of advanced processing tools such as SPM, NSOM, transparent and metallic particles, feature sizes as small as 20 nm have been achieved by near-field laser irradiation, which has extended the application scope of laser precision engineering significantly. Meanwhile, parallel laser processing has been actively pursued to realize large-area and high-throughput nanofabrication by the use of microlens arrays (MLA). Laser thermal lithography using a DVD optical storage process has also been developed to achieve low-cost and high-speed nanofabrication. Laser interference lithography, another large area nanofabrication technique, is also capable of fabricating sub-100 nm periodic structures. To further reduce the feature size to the atomic scale, atomic lithography using laser cooling to localize atoms is being developed, bringing laser-processing technology to a new era of atomic engineering. 20-nm nanoline fabricated by 400-nm/100-fs laser irradiation through a near-field scanning microscope.

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Progress towards atom lithography on iron

Cited by 16 publications

References 9 publications

Analytical Investigation of Focusing Bose-Einstein condensates

Analytical Investigation of Focusing Bose-Einstein condensates

Diode lasers: From laboratory to industry

Laser precision engineering: from microfabrication to nanoprocessing

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