NDLI: Atom Nanolithography with Atom Pinhole Camera

Content Provider	IEEE Xplore Digital Library
Author	Balykin, V.I. Borisov, P.A. Letokhov, V.S. Melentieva, P.N. Rudnev, S.N. Cherkun, A.P. Akimenko, A.P. Apel, P.Yu. Skuratov, V.A.
Copyright Year	2007
Description	Author affiliation: Inst. of Spectrosc., Troitsk (Balykin, V.I.; Borisov, P.A.; Letokhov, V.S.; Melentieva, P.N.; Rudnev, S.N.; Cherkun, A.P.)
Abstract	The most efficient method for controlling the motion of material particles in experimental physics is the use of interaction potentials with electromagnetic fields. The static magnetic and electric interaction potentials are used in the optics of charged particles. In the optics of neutral atoms, the various interaction potentials of atoms with laser and electromagnetic fields are used in addition to the static fields. The effective methods of diffraction, interference, mirror reflection of atoms are implemented in atom optics. The most difficult problem in atom optics is the problem of high-resolution focusing of neutral atoms, which is promising for the nondestructive method for probing the surface at the atomic level, as well as for the creation of nanostructures on the surface. Although there are many proposals for focusing of atomic beams, this problem is experimentally unsolved. The main difficulty is the creation of the interaction potential of the atom with the electromagnetic field that is close to an ideal lens for atoms.In this paper, we experimentally implement another approach to the problem of focusing and construction of an image in atom optics, which is based on a well known idea of optical pinhole camera. The pinhole camera in optics is a camera without lens. Light forming an image passes through a small hole. In our experiment with the atom pinhole camera the Cr atomic beam passes through a set of holes in a metal mask and thereby forms, by analogy with optics, a glowing object of a given geometry. The atoms pass through the holes in the mask, propagate in vacuum along rectilinear trajectories, similar to light rays, and are incident on a thin film (thickness 5 mum) placed at a distance of 90 mm from the mask with a large number (n $=10^{7}-10^{8}$ $/cm^{2})$ of nanoholes (50 nm diameter). Each hole of the film is a pinhole camera for atoms, which forms its individual image of the object on the substrate surface placed at a distance of l = 5mum behind the film.
Starting Page	1
Ending Page	1
File Size	284464
Page Count	1
File Format	PDF
ISBN	9781424409303
DOI	10.1109/CLEOE-IQEC.2007.4386700
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-17
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Atom optics Atomic beams Focusing Cameras Magnetic materials Nanolithography Optical films Electromagnetic fields Motion control Lenses
Content Type	Text
Resource Type	Article

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