ATF 2 Optics for the Commissioning Toshiyuki Okugi

Save. ATF 2 Optics and Load. ATF 2 Optics Command SAD computer Save. ATF

Example of the ATF 2 optics calculation for SAD ! --- ATF 2 optics

Format of the optics file Directory of optics file storage; /users/atfopr/sad/ringoptics/ Format of the

ATF 2 Ver 4. 0 Optics for SAD Comment for SAD deck Since the

Optics for Radiation Inspection O -Only 6 QEA magnets -Turned off the QEA magnets

High Beta Optics Purpose of High Beta Optics -Turn on all magnets. - Orbit

Chromatic Effect of the High Beta Optics Sextupole ? When the sextupoles turn on,

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ATF 2 Optics for the Commissioning Toshiyuki Okugi, KEK 2008 / 10/ 22 ATF 2 commissioning meeting

Save. ATF 2 Optics and Load. ATF 2 Optics Command SAD computer Save. ATF 2 Optics Vsystem GUI TCP-IP ATF 2 Optics File Storage K = K 1× 2 User Program K = k 1×Leff Load. ATF 2 Optics K 1=k 1×Leff /2 K 1= K /2 Quadrupole definition of old extraction line Quadrupole definition of ATF 2 beamline

Example of the ATF 2 optics calculation for SAD ! --- ATF 2 optics deck read "/users/atfopr/sad/atf 2 daihonnew. sad"; FFS USE=ATF 2; ! --- Library for “Load” and “Save” command Get["/users/atfopr/sad/atf 2 lib. n"]; ! --- Ver 4. 0 Design Optics Load. ATF 2 Optics[“ATF 2 V 40 design”]; ! --- Optics for Radiation Inspection ! Load. ATF 2 Optics[“ATF 2 Radiation”]; ! --- High Beta Optics ! Load. ATF 2 Optics["ATF 2 High. Beta"]; cal; end;

Format of the optics file Directory of optics file storage; /users/atfopr/sad/ringoptics/ Format of the file; qvatf 2={{"QM 6 R", -. 7117400000008}, {"QM 7 R", . 4082199999958}, {"QS 1 X", 0}, {"QF 1 X", 1. 07347314146}, {"QD 2 X", -. 941217293288}, {"QF 3 X", . 669119133753}, {"QF 4 X", . 680185709967}, {"QD 5 X", -. 926993177043}, {"QF 6 X", 1. 12835182}, {"QS 2 X", 0}, {"QF 7 X", . 38978022796}, {"QD 8 X", -. 589666760602}, {"QF 9 X", . 735362498617}, {"QK 1 X", 0}, {"QD 10 X", -1. 0233313538}, {"QF 11 X", 1. 0233313538}, {"QK 2 X", 0}, {"QD 12 X", -1. 0233313538}, {"QF 13 X", 1. 368238897325}, {"QD 14 X", -1. 015436469912}, {"QF 15 X", 1. 368238897325}, {"QK 3 X", 0}, {"QD 16 X", -1. 0233313538}, {"QF 17 X", 1. 0233313538}, {"QK 4 X", 0}, {"QD 18 X", -. 686072135611}, {"QF 19 X", . 655166040943}, {"QD 20 X", -. 302269728416}, {"QF 21 X", . 301425825497}, {"QM 16 FF", . 565676117978}, {"QM 15 FF", -. 311605461248}, {"QM 14 FF", -1. 176031022004}, {"QM 13 FF", . 914741672714}, {"QM 12 FF", . 341675086114}, {"QM 11 FF", 0}, {"QD 10 BFF", -. 290019331454}, {"QD 10 AFF", -. 290019331454}, {"QF 9 BFF", . 378649967733}, {"QF 9 AFF", . 378649967733}, {"QD 8 FF", -. 604355398609}, {"QF 7 FF", . 55016183691}, {"QD 6 FF", -. 602327211925}, {"QF 5 BFF", . 37605663431}, {"QF 5 AFF", . 37605663431}, {"QD 4 BFF", -. 296792273617}, {"QD 4 AFF", -. 296792273617}, {"QF 3 FF", . 552719873686}, {"QD 2 BFF", -. 198712968919}, {"QD 2 AFF", -. 289728096191}, {"QF 1 FF", . 741787852156}, {"QD 0 FF", -1. 36396800693} }; svatf 2={ {"SF 6 FF", 8. 564561598565999}, {"SF 5 FF", -. 790868336382}, {"SD 4 FF", 14. 9099871294348}, {"SF 1 FF", -2. 578002823698}, {"SD 0 FF", 4. 311860665982} }; zvatf 2={ {"ZH 1 X", 0}, {"ZH 2 X", 0}, {"ZH 3 X", 0}, {"ZH 4 X", 0}, {"ZH 5 X", 0}, {"ZH 6 X", 0}, {"ZH 7 X", 0}, {"ZH 8 X", 0}, {"ZH 9 X", 0}, {"ZH 10 X", 0}, {"ZV 1 X", 0}, {"ZV 2 X", 0}, {"ZV 3 X", 0}, {"ZV 4 X", 0}, {"ZV 5 X", 0}, {"ZV 6 X", 0}, {"ZV 7 X", 0}, {"ZV 8 X", 0}, {"ZV 9 X", 0}, {"ZV 10 X", 0}, {"ZV 11 X", 0}, {"ZX 2 X", 0}, {"ZX 3 X", 0}}; If you prepare the same format of the file, you can easily apply the magnet setting with Vsystem control.

ATF 2 Ver 4. 0 Optics for SAD Comment for SAD deck Since the definitions of SAD and MAD are different for the fringe field of the bending magnet, the differences of the fringe fields are compensated by the quadrupole strength in matching section (QM 11 FF to QM 16 FF) for SAD deck.

Optics for Radiation Inspection O -Only 6 QEA magnets -Turned off the QEA magnets in extraction -No Laser Wire and Coupling Study QF 1 X QD 2 X QF 3 X QF 4 X QD 5 X QF 6 X QF 7 X QD 8 X QF 9 X QD 10 X QF 11 X QD 12 X QF 13 X QD 14 X QF 15 X QD 16 X QF 17 X QD 18 X QF 19 X QD 20 X QF 21 X 1. 07347 -0. 94121 0. 66911 0. 68018 -0. 92699 1. 12835 0. 38978 -0. 58966 0. 73536 0 0 0 1. 33970 -1. 18149 1. 03310 0 0 -0. 39283 0. 21813 QM 16 FF QM 15 FF QM 14 FF QM 13 FF QM 12 FF QM 11 FF QD 10 BFF QF 9 AFF QD 8 FF QF 7 FF QD 6 FF QF 5 BFF QF 5 AFF QD 4 BFF QD 4 AFF QF 3 FF QD 2 BFF QD 2 AFF QF 1 FF QD 0 FF 0 0 0 0 0. 03979 -0. 33908 0. 40865 0 0 0. 45539 -0. 16165 -0. 36156 0 0

High Beta Optics Purpose of High Beta Optics -Turn on all magnets. - Orbit tuning with all magnet movers. - Make the small beam size for IP-BSM measurement

Chromatic Effect of the High Beta Optics Sextupole ? When the sextupoles turn on, we can make the nonlinear effect small after the tuning of the beam orbit correction at sextupoles. But, it make some possibility to make beam size growth by the sextupole fields. Simulation results for beam size enhancement for all sextupoles off 0. 04 0. 08 0. 04 ey = 1 e-11 m by = 0. 08 m 0. 08