Process and apparatus for producing electrons using a field coup

Details Process and apparatus for producing electrons using a field coup Process and apparatus for producing electrons using a field coup

1988-06-24

1989-07-04

Berman, Jack I.

Radiant energy

Ion generation

Field ionization type

250424, 313542, H01J 2724

Patent

active

048453650

ABSTRACT:
According to the invention, under glancing incidence a first radiation (6) in the infrared range and which is linearly polarized is supplied to a target (2) made from a non-electrically insulating material and simultaneously to said target is supplied under a non-glancing incidence a second radiation (8) in the visible or ultraviolet range, in such a way that a same zone of the target is reached by the first and second radiations, the polarizing plane of the first radiation also being such that it contains a perpendicular to said zone, which then produces electrons.
Application to the production of free electron lasers.

REFERENCES:
Article by M. Wautelet et al. published in Phys. Rev. Letters, vol. 38, No. 1, Jan. 1977, pp. 40-43.
Article by F. Shishito published in Japanese Journal of Appl. Physics, vol. 12, No. 7, Jul. 1973, pp. 1001-1010.
Article by P. Oettinger published in Laser Focus, Jul. 1983, pp. 10-14.

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