Device for Producing Extended Elongated Plasmas for X-Ray Lasers.
DEPARTMENT OF THE NAVY WASHINGTON DC
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In an evacuated housing, a pair of tungsten blocks are placed just above a target surface and spaced apart to form a channel. A high power laser beam is focused to a point on the target creating a plasma between the blocks. As the plasma expands away from the target in the z-direction, the tungsten blocks confine the plasma in the y-direction and plasma species of higher stages of ionization are formed into a jet of rectangular x-y cross section in the z-direction by the blocks. The plasma remains confined in the y-dimension or is focused in this direction above the blocks where sufficient amplification occurs to provide x-ray lasing along the x-axis.
- Lasers and Masers
- Plasma Physics and Magnetohydrodynamics