Phase conjugate reflection from plasma
First Claim
1. A method for generating conjugated waves having a frequency in the range from micrometers long to radio wavelengths, and for the amplification of said conjugated waves, which comprise the steps of establishing and maintaining in a plasma two waves of opposing directions of propagation and of essentially identical frequencies, establishing a third wave of essentially the same frequency, said third wave entering the plasma at an angle of from about 60°
- to 90°
respective the first two waves, wherein a fourth wave which is phase conjugated respective the third wave is produced.
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Abstract
A process and device for generating conjugated micrometer to radio frequency range electromagnetic waves and for their amplification. The conjugated waves are generated by establishing in a plasma two waves of the desired frequency, essentially identical in wavelength at in opposite directions and by directing a third electromagnetic wave of essentially the same frequency so that this will enter the plasma at a predetermined wavelength, resulting in a fourth conjugated electromagnetic wave.
A high magnification of the intensity of the conjugated wave can be attained. Such conjugated waves can be used in human medicine for concentrating waves at a tumor site. Devices of the invention can be used for the intensification of other waves, such as radar frequency waves.
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Citations
18 Claims
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1. A method for generating conjugated waves having a frequency in the range from micrometers long to radio wavelengths, and for the amplification of said conjugated waves, which comprise the steps of establishing and maintaining in a plasma two waves of opposing directions of propagation and of essentially identical frequencies, establishing a third wave of essentially the same frequency, said third wave entering the plasma at an angle of from about 60°
- to 90°
respective the first two waves, wherein a fourth wave which is phase conjugated respective the third wave is produced. - View Dependent Claims (2, 3, 4, 5)
- to 90°
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6. A device for generating conjugated waves comprising in combination:
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means for establishing and maintaining a plasma; means for establishing and maintaining in said plasma two waves of opposite directions of propagation and of essentially identical frequencies; means for directing a third electromagnetic wave of essentially identical wavelength at said plasma so that it will enter the plasma at a predetermined angle respective the two waves; and thereby generating a fourth electromagnetic wave which is phase-conjugated respective the third wave. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification