Parametric power multiplication
In various embodiments, power multipliers and associated methods are provided that employ parametric excitation. In one embodiment, a ring power multiplier is provided that has a ring. A parametric reactance is associated with the ring that negates at least a portion of a physical resistance of the ring.
1. A power multiplication apparatus, comprising:
a ring power multiplier having a ring; and
a parametric reactance that negates at least a portion of a physical resistance of the ring, wherein the parametric reactance is varied by at least twice a frequency of a power signal applied to the ring power multiplier.
2. The power multiplication apparatus of claim 1 , wherein the parametric reactance comprises a parametric inductance.
3. The power multiplication apparatus of claim 2 , wherein the parametric inductance is non-linear.
4. The power multiplication apparatus of claim 2 , wherein the parametric inductance comprises a magnetic amplifier.
5. The power multiplication apparatus of claim 1 , wherein the parametric reactance comprises a parametric capacitance.
6. The power multiplication apparatus of claim 5 , wherein the parametric capacitance is non-linear.
7. The power multiplication apparatus of claim 5 , wherein the parametric capacitance comprises a dielectric amplifier.
8. The power multiplication apparatus of claim 1 , wherein the ring comprises a distributed element.
9. The power multiplication apparatus of claim 8 , wherein the parametric reactance comprises a parametric reactance-per-unit-length.
10. The power multiplication apparatus of claim 1 , wherein the ring comprises a power multiplying network having a multiply-connected, velocity inhibiting circuit constructed from a plurality of lumped-elements.
11. The power multiplication apparatus of claim 10 , wherein the parametric reactance comprises a parametric lumped-element reactance.
12. The power multiplication apparatus of claim 10 , wherein the ring power multiplier further comprises:
a launching network; and
a directional coupler coupling the launching network to the power multiplying network.
13. The power multiplication apparatus of claim 10 , further comprising a diverter coupled to the power multiplying network.
14. A method for power multiplication, comprising:
coupling AC power into a ring of a ring power multiplier;
negating at least a portion of a physical resistance of the ring by driving a parametric reactance associated with the ring; and
varying the parametric reactance by at least twice a frequency of the AC power coupled into the ring of the ring power multiplier.
15. The method of claim 14 , wherein driving the parametric reactance associated with the ring comprises driving a parametric inductance.
16. The method of claim 15 , wherein driving the parametric inductance comprises driving a non-linear parametric inductance.
17. The method of claim 15 , wherein driving the parametric inductance comprises driving a magnetic amplifier.
18. The method of claim 14 , wherein driving the parametric reactance associated with the ring comprises driving a parametric capacitance.
19. The method of claim 18 , wherein driving the parametric capacitance comprises driving a non-linear parametric capacitance.
20. The method of claim 18 , wherein driving the parametric capacitance comprises driving a dielectric amplifier.
21. The method of claim 14 , further comprising inhibiting a velocity of the AC power in the ring using a distributed element.
22. The method of claim 21 , wherein driving the parametric reactance associated with the ring comprises driving a parametric reactance-per-unit-length.
23. The method of claim 14 , further comprising inhibiting a velocity of the AC power in the ring using a power multiplying network having a multiply-connected circuit constructed from a plurality of lumped-elements.
24. The method of claim 23 , wherein driving the parametric reactance associated with the ring comprises driving a parametric lumped-element reactance.
25. The method of claim 23 , further comprising:
launching the AC power into a launching network; and
coupling the AC power from the launching network into the power multiplying network using a directional coupler.
26. The method of claim 23 , further comprising diverting the AC power out of the ring to a load.
27. A system for power multiplication, comprising:
means for coupling AC power into a ring of a ring power multiplier; and
means for negating at least a portion of a physical resistance of the ring which comprises a parametric reactance that is varied by at least twice a frequency of a power signal applied to the ring power multiplier.
28. The system of claim 27 , wherein the parametric reactance comprises a parametric inductance.
29. The system of claim 27 , wherein the parametric reactance comprises a parametric capacitance.
30. The system of claim 27 , wherein the ring comprises a distributed element.
31. The system of claim 27 , wherein the ring comprises a power multiplying network having a multiply-connected, velocity inhibiting circuit constructed from a plurality of lumped-elements.
32. The system of claim 31 , wherein the parametric reactance comprises a parametric lumped-element reactance.
33. The system of claim 28 , wherein the parametric inductance comprises a non-linear parametric inductance.
34. The system of claim 29 , wherein the parametric capacitance comprises a non-linear parametric capacitance.
35. The system of claim 27 , further comprising:
means for coupling power into the ring of the ring power multiplier; and
means for diverting power out of the ring of the ring power multiplier.