Claims
- 1. A radio frequency (rf) linear accelerator (linac) comprising:a resonator enclosed in a resonator wall; said resonator includes an inductor (L) circuit; a first set and a second set transverse focusing lenses for guiding and focusing an injected ion beam for transmitting along a linear path; said resonator further includes a first electrode and a second electrode, both connected to said inductor for applying an accelerating rf voltage thereon, wherein said first electrode disposed between said first set and said second set of transverse focusing lenses and said second electrode disposed next to said second set of transverse focusing lenses opposing said first electrode.
- 2. The rf linac of claim 1 further comprising:a second resonator enclosed in a second resonator wall; said second resonator includes a second inductor (L) circuit; a third set and a fourth set transverse focusing lenses disposed next to said second electrode for guiding and focusing an injected ion beam for transmitting along a linear path; said second resonator further includes a third electrode and a fourth electrode, both connected to said second inductor for applying an accelerating rf voltage thereon, wherein said third electrode disposed between said third set and said fourth set of transverse focusing lenses and said fourth electrode disposed next to said fourth set of transverse focusing lenses opposing said third electrode.
- 3. The rf linac of claim 1 wherein:said first set of transverse focusing lenses is disposed with a gap G1 from said first electrode, said second set of transverse focusing lenses is disposed with a gap G1 from said first electrode, said second set of transverse focusing lenses is disposed with a gap G3 from said second electrode and said second electrode is disposed with a gap G4 from said resonator wall; and a midpoint of said G2 is disposed with a first distance L1 from a midpoint of said G1, a midpoint of said G3 is disposed with a second distance L2 from said midpoint of said G2, a midpoint of said G4 is disposed with a third distance L3 from said midpoint of said G3, wherein: Li {tilde over (=)}(2N+1) vi/2f=(2N+1) (Ei/2m)½/f where i=1,2,3, and N is an integer, vi =(2Ei /m)½ representing an ion velocity, Ei representing an ion energy between Gi+1 and Gi, m representing the mass of an ion of the ion beam and f representing a resonant frequency of the resonator.
- 4. A radio frequency (rf) linear accelerator (linac) comprising:a resonator includes an inductor (L) circuit wherein said inductor circuit connected to at least two electrodes for applying an accelerating rf voltage thereto; said resonator further includes a resonant wall for enclosing said inductor circuit and said electrodes therein; and a plurality sets of transverse focusing lenses for guiding and focusing an injected ion beam wherein each of said electrodes disposed between and aligned with two sets of said transverse focusing lenses as a linear array.
- 5. The rf linac of claim 4 wherein:each of said plurality sets of transverse focusing lenses, represented by lenses(i), i=1,2,3, . . . n, and n is an integer, is disposed with a gap G(i) from each of said electrodes a midpoint of each of said gap G(i) is disposed at distance Li from a midpoint of next gap G(i+1) wherein: Li {tilde over (=)}(2N+1)vi/2f=(2N+1) (Ei/2m)½/f where vi =(2Ei /m)½ representing an ion velocity, Ei representing an ion energy between the gaps G(i+1) and G(i), m representing a mass of an ion of said ion beam and f representing a resonant frequency of said resonator.
- 6. A radio frequency (rf) linear accelerator (linac) comprising:a plurality sets of transverse focusing lenses, represented by Lenses(j), where j=1,2,3, . . . n, and n is an integer, for guiding and focusing an ion beam; a plurality of resonators each includes an inductor circuit L(k), k=1,2,3, . . . , n′ where n′ is a second integer, wherein said inductor circuit connected to at least two electrodes E(j′), j′=1,2,3, . . . (n−1), for applying an accelerating rf voltage thereto; each of said electrodes E(j′) disposed between and aligned with two sets of said transverse focusing lenses Lenses(j′) and Lenses(j′+1), j′=1,2,3, . . . (n−1)as a linear array.
- 7. The rf linac of claim 6 wherein:at least two of said adjacent electrodes E(j′) and E(j′+1) are connected to a same inductor circuit L(k).
- 8. The rf linac of claim 6 wherein:at least two of said adjacent electrodes E(j′) and E(j′+1) are connected to two different inductor circuits L(k1) and L(k2) where k1 and k2 are two different integers and k1 and k2 are smaller than n′.
- 9. A radio frequency (rf) linear accelerator (linac) comprising:four sets of transverse focusing lenses represented by Lenses(j′), where j=1,2,3,4, for guiding and focusing an ion beam; a first and a second resonators each enclosed in a resonator wall; each of said first and second resonators includes an inductor circuit L(k), k=1,2; wherein said inductor circuit L(1) connected to two electrodes E(j′) where j′=1, and 3, and E L(2) connected to E(j′) where j′=2, and 4, for applying an accelerating rf voltage thereto; and each of said electrodes E(j′) disposed between and aligned with two sets of said transverse focusing lenses Lenses(j′) and Lenses(j′+1), j′=1,2,3, as a linear array.
- 10. The rf linac of claim 9 wherein:each of said four sets of transverse focusing lenses, represented Lenses(j) is disposed with a gap G(i) from each of said electrodes E(j′), a midpoint of each of said gap G(i) is disposed at distance Li from a midpoint of next gap G(i+1) wherein: Li {tilde over (=)}(2N+1)vi/2f=(2N+1) (Ei/2m)½/f where vi=(2Ei /m)½ representing an ion velocity, Ei representing an ion energy between said gaps G(i+1) and G(i), m representing the mass of an ion of said ion beam and f representing a resonant frequency of said resonator.
- 11. A method of configuring a radio frequency (rf) linear accelerator (linac) comprising:disposing a first set and a second set transverse focusing lenses for guiding and focusing an ion beam; enclosing a resonator with an inductor circuit (L) in a resonator wall; connecting a first electrode and a second electrode to said inductor for applying an accelerating rf voltage thereon and disposing said first electrode between said first set and said second set of transverse focusing lenses and disposing said second electrode next to said second set of transverse focusing lenses opposing said first electrode.
- 12. The method of configuring the rf linac of claim 11 further comprising:disposing a third set and a fourth set transverse focusing lenses next to said second electrode for guiding and focusing said ion beam; enclosing a second resonator with a second inductor circuit (L) in a resonator wall; connecting a third electrode and a fourth electrode to said second inductor for applying a second accelerating rf voltage thereon and disposing said third electrode between said third set and said fourth set of transverse focusing lenses and disposing said fourth electrode next to said fourth set of transverse focusing lenses opposing said third electrode.
- 13. The method of configuring the rf linac of claim 11 wherein:said step of disposing said first set of transverse focusing lenses is a step of disposing said first set of transverse focusing lenses with a gap G1 from said first electrode, said step of disposing said second set of transverse focusing lenses is a step of disposing said second set of transverse focusing lenses with a gap G2 from said first electrode, said step of disposing said second electrode is a step of disposing said second electrode with a gap G3 from said second set of transverse focusing lenses and disposing said second electrode with a gap G4 from said resonator wall; and said step of disposing said first and second electrodes further comprising a step of disposing a midpoint of said G2 with a first distance L1 from a midpoint of said G1, disposing a midpoint of said G3 is with a second distance L2 from said midpoint of said G2, disposing a midpoint of said G4 is with a third distance L3 from said midpoint of said G3, wherein: Li {tilde over (=)}(2N+1)vi/2f=(2N+1) (Ei/2m)½/f where i=1,2,3, and N is an integer, vi=(2Ei /m)½ representing an ion velocity, E1 representing an ion energy between Gi+1 and Gi, m representing a mass/chargeratio of an ion of said ion beam and f representing a resonant frequency of said resonator.
- 14. A method of configuring a radio frequency (rf) linear accelerator (linac) comprising:disposing an inductor (L) circuit in a resonator and connecting said inductor circuit to at least two electrodes for applying an accelerating rf voltage thereto; enclosing said resonator with said inductor circuit and said electrodes in a resonant wall; and disposing a plurality sets of transverse focusing lenses by arranging each of said electrodes disposed between and aligned with two sets of said transverse focusing lenses as a linear array for guiding and focusing an injected ion beam.
- 15. The method of configuring the rf linac of claim 14 wherein:said step of disposing said sets of transverse focusing lenses comprising a step of disposing each of said plurality sets of transverse focusing lenses, represented by lenses(i), i=1,2,3, . . . n, and n is an integer, with a gap G(i) from each of said electrodes, and disposing a midpoint of each of said gap G(i) at distance Li from a midpoint of next gap G(i+1) wherein: Li {tilde over (=)}(2N+1)vi/2f=(2N+1) (2Ei/2m)½/f where vi=(Ei /m)½ representing an ion velocity, Ei representing an ion energy between said gaps G(i+1) and G(i), m representing said mass of an ion of said ion beam and f representing a resonant frequency of said resonator.
- 16. A method of configuring a radio frequency (rf) linear accelerator (linac) comprising:disposing a plurality sets of transverse focusing lenses, represented by Lenses(j), where j=1,2,3, . . . n, and n is an integer, for guiding and focusing an ion beam; forming a plurality of resonators by including an inductor circuit L(k), k=1,2,3, . . . , n′ where n′ is a second integer, in each of said resonators and connecting each of said inductor circuits to at least two electrodes E(j′), j′=1,2,3, . . . (n−1), for applying an accelerating rf voltage thereto; disposing each of said electrodes E(j′) between and aligned with two sets of said transverse focusing lenses Lenses(j′) and Lenses(j′+1), j′=1,2,3, . . . (n−1), as a linear array.
- 17. The method of configuring the rf linac of claim 16 wherein:said step of connecting said inductor circuit to said electrodes further comprising a step of connecting at least two of said adjacent electrodes E(j′) and E(j′+1) to a same inductor circuit L(k).
- 18. The method of configuring the rf linac of claim 16 wherein:said step of connecting said inductor circuit to said electrodes further comprising a step of connecting at least two of said adjacent electrodes E(j′) and E(j′+1) ar to two different inductor circuits L(k1) and L(k2) where k1 and k2 are two different integers and k1 and k2 are smaller than n′.
- 19. A method of configuring a radio frequency (rf) linear accelerator (linac) comprising:disposing four sets of transverse focusing lenses represented by Lenses (j), where j=1,2,3,4, for guiding and focusing an ion beam; enclosing a first and a second resonators in resonator walls; including in each of said first and second resonators an inductor circuit L(k), k=1,2; and connecting said inductor circuit L(1) to two electrodes E(j′) where j′=1, and 3, and connecting said inductor circuit L(2) to two electrodes E(j′) where j′=2, and 4, for applying an accelerating rf voltage thereto; and disposing each of said electrodes E(j′) between and aligned with two sets of said transverse focusing lenses Lenses(j′) and Lenses(j′+1), j′=1,2,3, as a linear array.
- 20. The method of configuring the rf linac of claim 19 wherein:said step of disposing each of said four sets of transverse focusing lenses, represented Lenses(j) is a step of disposing said four set of transverse focusing lenses with a gap G(i) from each of said electrodes E(j′), and disposing a midpoint of each of said gap G(i) at distance Li from a midpoint of next gap G(i+1) wherein: Li {tilde over (=)}(2N+1)vi/2f=(2N+1) (Ei/2m)½/f where vi=(2Ei /m)½ representing an ion velocity, Ei representing an ion energy between said gaps G(i+1) and G(i), m representing the mass of an ion of said ion beam and f representing a resonant frequency of said resonator.
Parent Case Info
This Application claimed a priority filing date of Jun. 23,1999 benefited from a Provisional Application 60/140,494 filed on Jun. 23, 1999 by the same inventor of this Formal Application.
US Referenced Citations (5)
Provisional Applications (1)
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Number |
Date |
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60/140494 |
Jun 1999 |
US |