Atomic beam pattern forming method using atomic beam holography

Details Atomic beam pattern forming method using atomic beam holography Atomic beam pattern forming method using atomic beam holography

1997-07-16

1998-11-10

Nguyen, Kiet T.

Radiant energy

Electrically neutral molecular or atomic beam devices and...

H01J 37302

Patent

active

058347690

ABSTRACT:
A hologram is made up from a one-dimensional or two-dimensional slit array, each slit being formed with an electrode pair or electric wire for generating an electric field or magnetic field within the slit. These electric fields or magnetic fields are each set for each slit so as to confer upon an atomic beam passing through the slits a phase shift corresponding to the target hologram reproduced image, thereby allowing the target hologram image to be easily reproduced by directing the atomic beam perpendicular to the hologram surface. A two-dimensional reproduced image can be obtained by means of a one-dimensional slit array by shifting the reproduction substrate for each one-dimensional reproduced image obtained, or a three-dimensional pattern image can be reproduced by means of a two-dimensional slit array by successively changing the focal length and stacking on a preceding two-dimensional reproduced image the next two-dimensional reproduced image each time a two-dimensional reproduced image is obtained and repeating this procedure.

REFERENCES:
patent: 4536657 (1985-08-01), Bruel
Shimizu et al., "Stark Phase Shift and Deflection in the Ultracold Atomic Interferometer", Jpn. J. Appl. Phys., vol. 31 (1992), Part 2, No. 4A, Apr. 1, 1992, pp. L-436-L438.
Fujita et al., "Manipulation of an atomic beam by a computer-generated hologram", Nature, vol. 380, No. 6576, Apr. 25, 1996, pp. 691-694.
Morinaga et al., "Holographic Manipulation of a Cold Atomic Beam", Physical Review Letters, vol. 77, No. 5, Jul. 29, 1996, pp. 802-805.
Ogai et al., "Nanofabrication of grating and dot patterns by electron holographic lithography", Appl. Phys. Lett., vol. 66, No. 12, Mar. 20, 1995, pp. 1560-1562.
McClelland et al., "Laser-Focused Atomic Deposition", Science, vol. 262, Nov. 5, 1993, pp. 877-880.

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