Status of x band program at radiabeam
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Status of X-band program at RadiaBeam. Luigi Faillace RadiaBeam Technologies, LLC. Santa Monica, CA. 5th Collaboration Meeting on X-band Accelerator Structure Design and Test Program. ABOUT RADIABEAM.

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Status of x band program at radiabeam

Status of X-band program at RadiaBeam

Luigi Faillace

RadiaBeam Technologies, LLC.

Santa Monica, CA

5th Collaboration Meeting on X-band Accelerator Structure Design and Test Program


Status of x band program at radiabeam

ABOUT RADIABEAM

  • RadiaBeam Technologies, LLC. is a small business with core expertise in accelerator physics.

  • Spin-off from UCLA (2003)

  • Extensive R&D Program (DOE, DOD, DHS, NSF)

  • Growing products line for research laboratories and industrial customers (magnets, diagnostics, RF structures, complete systems)

5th Collaboration Meeting on X-band Accelerator Structure Design and Test Program


Status of x band program at radiabeam

ONGOING PROJECTS

  • X-Band Traveling Wave Deflector

  • High Gradient S-Band Linac (DECA)

  • Sincrotrone Trieste Photoinjector

  • Compact Industrial Linacs (MicroLinac, Blood Irradiator)

  • 2 NCRF Guns based on Free-Form

  • Fabrication (FFF)

5th Collaboration Meeting on X-band Accelerator Structure Design and Test Program


Status of x band program at radiabeam

MICROLINAC

  • Tech transfer from SLAC

  • Portable, air-cooled, ultra-low cost, 1 MeV (two structures operating in pi mode, 9.4 GHz)

  • industrial accelerator for radiography applications (replacement for radioisotope sources)

Accelerating

structure

Magnetron

2.5 μs, D.C.=10-3

5th Collaboration Meeting on X-band Accelerator Structure Design and Test Program


Status of x band program at radiabeam

MICROLINAC

  • Table-top prototype is under development

  • Industrial system to be offered in 2011-2012

  • Higher energy version for self contained irradiators under development

5th Collaboration Meeting on X-band Accelerator Structure Design and Test Program


Status of x band program at radiabeam

MICROLINAC

Electric

Field (MV/m)

Magnetic

Field (Gauss)


Status of x band program at radiabeam

MICROLINAC

Transverse size

Energy gain

Normalized transverse

emittance


Status of x band program at radiabeam

Blood Irradiator

  • Industrial accelerator for blood irradiation, 2 MeV

  • Pi/2 accelerating structure, 9.3 GHz


Status of x band program at radiabeam

X-BAND DEFLECTING CAVITY

  • compact footprint, 11.424 GHz

  • longitudinal resolution at 100 MeV better than 10 fs

5th Collaboration Meeting on X-band Accelerator Structure Design and Test Program


Status of x band program at radiabeam

X-BAND DEFLECTING CAVITY

  • Present Status: in fabrication

  • Adapted cleaning and handling procedures from SLAC (developed for high gradient structures)

5th Collaboration Meeting on X-band Accelerator Structure Design and Test Program


Status of x band program at radiabeam

X-BAND DEFLECTING CAVITY

  • 8 cells + couplers prototype was assembled and tested

  • Commissioning plans at BNL – Summer 2011

(bead pull measurements at RadiaBeam )

5th Collaboration Meeting on X-band Accelerator Structure Design and Test Program


Status of x band program at radiabeam

RF TESTING/VALIDATION CAPABILITIES

  • Single Cell Testing

    • Used for relative cell to cell analysis

  • Cell Stack

    • Utilized for resonant frequency verification

  • Clamped structure

    • Validates coupler quality

    • utilized in bead pull / tuning setup under development for tuning

Bead-pull measurements

Phase

5th Collaboration Meeting on X-band Accelerator Structure Design and Test Program


Status of x band program at radiabeam

SOLID FREEFORM (SFF) FABRICATION

  • SFF is an additive manufacturing process where end-use, metal, parts are directly fabricated, layer by layer, from a digital model

  • SFF produces fully-dense metal parts with features such as internal cooling channels

  • SFF copper cathode cathode recently successfully tested at UCLA’s Pegasus photoinjector under high RF power

    • Stable operation at 70 MV/m peak fields on cathode after 2 hours of conditioning

    • QE measured (~2x10-5), and consistent with wrought OFE copper at given gradient

5th Collaboration Meeting on X-band Accelerator Structure Design and Test Program


Status of x band program at radiabeam

RESOURCES AND CAPABILITIES

  • Enhanced engineering/manufacturing capabilities

    • New Facility + recent expansion

    • New Equipment

  • Studied and Developed RF manufacturing process workflows

  • Increased RF testing/validation capabilities

  • Developed custom UHV/RF component cleaning and assembly facilities

    • Following SLAC developed guidelines

    • Presents us with full control over almost all critical processes (no oven)

  • Collaborations with Universities and National Laboratories

  • 5th Collaboration Meeting on X-band Accelerator Structure Design and Test Program


    Status of x band program at radiabeam

    CELL MACHINING AND CLEANING

    • CNC mills and lathes

      • Capable of 0.0002” precision and repeatability (lathe)

      • 2-4 micron flatness

      • 4-6 micro-inch surface finishes (100-150nm)

      • Developed specialized workholding tooling

      • Optimized cutting tooling (PCD)

      • Refurbished or manufactured storage and travel containers

      • Considerable man-hours invested into process and handling systematics

    • Chemical cleaning room

      • With guidance from SLAC MFD

      • Utilize a modified version of SLAC cleaning processes

    • Clean Assembly / Testing Room

      • Class 100 / Class 1000

    5th Collaboration Meeting on X-band Accelerator Structure Design and Test Program


    Status of x band program at radiabeam

    CONCLUSIONS

    • RadiaBeam Technologies is actively developing X-band accelerating systems for commercial applications

    • First high gradient structure will be commissioned this year

    5th Collaboration Meeting on X-band Accelerator Structure Design and Test Program


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