1. 350kV and 500kV
Yan
9/8

2. Without shed 44.5 MV/m 68.9 MV/m 17.6 MV/m 12.4 MV/m 18.5 MV/m
350 kV Gun
500 kV Gun

3. With Shed 9.5 MV/m 13.6 MV/m 8.5 MV/m 12.5 MV/m 10.8 MV/m 11.4 MV/m
350 kV Gun
500 kV Gun

4. 500 kV Gun 11.8 MV/m 10.5 MV/m R = 9” r2 r3 58 MV/m 12.8 MV/m r1
r1 = 1.0 cm
r2 = 2.0 cm
r3 = 3.5 cm
12.0 MV/m
10.7 MV/m
13.8 MV/m

5. 350 kV
500 kV
8.1 MV/m
5 MV/m
10.1 MV/m
9.6 MV/m
10.4 MV/m
11.7 MV/m
8.8 MV/m
9.0 MV/m
8.5 MV/m
2 MV/m
10.7 MV/m
10.7 MV/m

6. Field Asymmetry at 500 kV

7. Restoration of Field Symmetry
8.6 MV/m
8.8 MV/m
8.1 MV/m
10.7 MV/m
10.1 MV/m

8. 500 kV Gun Dimensions Chamber H = 75, R = 25 Cathode R = 9.5
Cathode anode gap = 11.5 H R