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Beam Diagnostics Collaboration Meeting March 18 th 2015 at Australian Synchrotron

Join the March 18th, 2015 meeting at Australian Synchrotron with Mario Ferianis to discuss beam diagnostics, labs status, research programs, collaborations, and potential exchanges. Explore mutual funding and effort contributions for innovative instrument development.

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Beam Diagnostics Collaboration Meeting March 18 th 2015 at Australian Synchrotron

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  1. Beam Diagnostics Collaboration Meeting • March 18th 2015 • at Australian Synchrotron Mario Ferianis – Elettra

  2. A meeting to discuss in the field of beam diagnostics • including the current status of labs, upcoming • research programs, potential collaborations and • potential personal exchanges Do you have beam measurement requirements that are similar to other facilities? Would you like to collaborate on developing an instrument through mutual contribution of funding and effort?

  3. Possible ways of doing it… • Create a interest group with associated database with mailing list • Upload current activities or near future ideas /needs Have one site manager; rotation per one or two years Create Collabs events, associated to Community conferences

  4. Advanced diagnostics topics of interest for international collaborations Bunch Length monitors Operational experience (rep. rate 10Hz , 800pC, 0,5-10 ps) A) CER/CSR detection with pyrodetectors B) Coherent GAP radiation detection with RF diodes + absolute measurements (PRL 110, 074802 (2013)) Near future developments and middle term interests: Operational with low charge (few pC) and ultra short electron bunches ( < 10fs) Large dynamic range pyro-detectors ref. M Veronese Pyro 4th DIPOLE off axis Parabolic mirror

  5. Advanced diagnostics topics of interest for international collaborations Electro optical sampling Operational experience A) EOS Spatial encoding with fiber laser 1560@78MHz in the tunnel for FEL 1 line. Time jitter comparable to BAM, Temp. profile resolution < 150fs. B) Coarse temporal alignment of electron beam and seed laser Near future developments and middle term interests: EOS with seed lasers (FEL2 + possible upgrade of FEL1) EOS of e-beams after seeding process (geometries and resolution ) EOS based on magneto-optics effect instead of electro optic effect (bulk vs surface) ref. M Veronese GaP 0.1mm

  6. Advanced diagnostics topics of interest for international collaborations Screen systems (intra undulator) Operational experience 29 standard screens + 15 intra-undulator screens COTR mitigation geometry with scintillators for intra undulator screens + high. resolution Intra-undulator screen can measure also FEL profile. Near future developments and middle term interests: Advanced scintillator based screen designs with high resolution and overcoming COTR Improvement of screen designs in mixed beams (i.e. e-beam + FEL) Damage of scintillators and coatings by FEL radiation (share exp. and knowledge) Performance of scintillators with FELs (is YAG:Ce the best choice ?) ref. M Veronese FEL 43nm e-beam s=15mm

  7. Advanced diagnostics topics of interest for international collaborations Micro-bunching Operational experience A) Measured the seed laser induced bunching in the UV and for higher harmonics (VUV). Near future developments and middle term interests: 1) Microbunching measurements in the IR Non invasive beam size and emittance diagnostics In collaboration with R.B. Fiorito, S. Di Mitri et al (PRSTAB 17, 122803 (2014)) ref. M Veronese

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