Magnetically Suspended Pellet - Coating, Characterization, Charge-and-Supply -
Abstract
In laser fusion scheme, uniform laser irradiation is important. A stalk which supports a pellet affects uniformity. In our laboratory, Magnetically Suspended Pellet (MSP) which is a non-contact technique to suspend a Ni coated pellet has been studied. Coating, characterization and also charge-and-supply are described for the MSP. The first description is about coating Ni thin film on a pellet. Vacuum deposition in the resistance heating technique with a collimator is adopted by us. This technique is applied to a GMB. Aiming low temperature coat over a plastic microballoon, fundamentals of pulsed-laser deposition is given here, by comparing computer simulation with experiments. We have simulated the profile of the film produced by the deposition, by using the gas-dynamic equations which describe the expansion of the plume in vacuum. A new technique, vibrating mesh method, is now tested for droplet-free-deposition. In the second, we apply spectroscopic transmissivity measurement using a spectrophotometer to measure the thickness of Ni thin film. In the last, charge-and-supply experiment has started for the purpose of electric damping horizontally of the MSS.
- Publication:
-
APS Division of Plasma Physics Meeting Abstracts
- Pub Date:
- November 1998
- Bibcode:
- 1998APS..DPP.B1P29S