Commissioning and preliminary results

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Presentation transcript:

Commissioning and preliminary results ELENA ION SOURCE Commissioning and preliminary results Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 ELENA Ion Source Design H+/H- production +/-100 kV Bias voltage Tungsten filament Decapole magnet Magnetic filter Pulsed extraction Currents of tens of µA Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 High voltage Electronic signals Fiber optics Computer com. HIGH VOLTAGE AREA HIGH VOLTAGE CABINET GROUND CABINET PC Pepper-pot CONTROL UNIT CONTROL UNIT WS PC CT Puller Source MAINS FILAMENT PS - + PULSE GEN. Stepper motor trigger Measurement trigger Screen e- TTL to FO ARC PS - + QUADRUPOLE PSs WS measurement Calib. signal Current meas. Cam. Quadrup. PULLER PS 220V/400Hz conv. HIGH VOLTAGE PS (+/-100kv) PC Main trigger PC WS CONTROL PICOSCOPE Ana Megia. CERN. September 2015

Source characterization Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 Raw data Wire scanners Pepper-pot Current transformer Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 Where to begin? H+/H- Arc voltage Arc current Gas flow Source voltage Puller voltage Quadrupole settings Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 Wire Scanner analysis Pepper-pot analysis Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 Results comparison (EIS-NP-SC-014) WIRE SCANNER PEPPER POT Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 Results comparison (EIS-NP-SC-014) WIRE SCANNER PEPPER POT Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 Results comparison (EIS-PP-SC-004) Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 Results comparison (EIS-PP-SC-004) WIRE SCANNER PEPPER POT Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 Results comparison (EIS-PP-SC-004) WIRE SCANNER PEPPER POT Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 Results comparison (EIS-NP-SC-037) Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 Results comparison (EIS-NP-SC-037) WIRE SCANNER PEPPER POT Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 Results comparison (EIS-NP-SC-037) WIRE SCANNER PEPPER POT Ana Megia. CERN. September 2015

Source re-installation Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 What’s next? Regarding previous measurements: Improve the ellipse fitting. Analysis of all results. Is it possible to get better RMS Emittance values?? Determine new interesting points to be measured. Analyze Pepper-pot images for all the measurement points. Ideas are welcome. Waiting for some parts from Jülich (HV cables & safety hood). September 2015 Measurement plan for the source and the ion switch (Daniel Barna) Timing and Oasis. Integration of the source in the AD control system? Regarding source future operation: Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 Timing Ana Megia. CERN. September 2015

? OPTION I: LOCAL CONTROL (€) OPTION II: REMOTE CONTROL (€€€) 5000 € PICOSCOPE CURRENT TRANS. CONTROL UNIT PULLER PS PULLER Trigger cable PULSE GEN. WS STEPPER MOTOR WS CONTROL WS MEAS. Local control of the source parameters OPTION II: REMOTE CONTROL (€€€) ? PICOSCOPE CURRENT TRANS. Trigger cable CONTROL UNIT PULLER PS PULLER PS Serial cable CONTROL TEST STAND WS STEPPER MOTOR Ethernet 5000 € WS CONTROL 1805 € WS MEAS. Source parameters controlled from the control room by remote desktop app Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 OPTION III:LOCAL CONTROL PREPARED FOR FUTURE REMOTE CONTROL (€€) PICOSCOPE CURRENT TRANS. Trigger cable CONTROL UNIT PULLER PS PULLER Serial cable PULSE GEN. Ethernet WS STEPPER MOTOR 1805 € WS CONTROL WS MEAS. Source parameters controlled from the control room by remote desktop app OPTION IV: INTEGRATION OF THE SOURCE (€€€€) OPTION II + man power Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 QUESTIONS FROM TIMING TEAM Will the source be always operated in pulsed mode? If so, which are the maximum and minimum frequency and pulse length? Once the commissioning is finished and ELENA is connected to the AD ring, will the source need to be synchronized with the AD beam? Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 Oasis Ana Megia. CERN. September 2015

Extraction pulse trigger PICOSCOPE OASIS Picoscope trigger Main trigger CT calibration signal CT calibration signal Ion current Ion current Extraction pulse trigger Wire scanner signal Ana Megia. CERN. September 2015

Comments… Cable request deadline 25th September ! Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 H- preliminary results Ana Megia. CERN. September 2015

Ana Megia. CERN. September 2015 H+ preliminary results Ana Megia. CERN. September 2015