ONLINE DIFFUSION CHAMBER DEVELOPMENTS Jaime E Avils Acosta

ON-LINE DIFFUSION CHAMBER: DEVELOPMENTS Jaime E. Avilés Acosta 1 1/3/2022

REVIEW 2 1/3/2022

ADDITIONS TO THE ODC A turbo motor pump Two pressure gauges 341 The data acquisition and controllers rack LED lighting inside chamber 3 1/3/2022

VACUUM SYSTEM 341 4 1/3/2022

DAQS AND CONTROLLERS All controllers and DAQs are connected to USB hub 341 A computer is used to collect data and control all the peripherals 5 1/3/2022

CHANGES TO CODE Wait functions modified to be shorter Arithmetic algorithms in code were streamlined 341 6 1/3/2022

USER GUIDES/MANUALS BEING DRAFTED For future users and modifications, documentation is essential, and includes… 7 1/3/2022

USER GUIDES/MANUALS BEING DRAFTED Log of changes to VI code 8 1/3/2022

USER GUIDES/MANUALS BEING DRAFTED Manual for the VI’s components and functions 9 1/3/2022

USER GUIDES/MANUALS BEING DRAFTED Introduction to the ODC’s code 10 1/3/2022

HALOGEN LED Added inside chamber to improve visibility Lower chance of dropping your phone/flashlight inside chamber Looks cute 11 1/3/2022

Target’s 0 mm position must coincide with Faraday cup axis T ar get Axi s m a Be Faraday Cup FARADAY CUP + MANIPULATOR ARM CALIBRATION s xi A 12 1/3/2022

FARADAY CUP + MANIPULATOR ARM CALIBRATION Target’s 0 mm position must coincide with Faraday cup axis Faraday Cup’s preset positions need to coincide with implantation beam axis 13 1/3/2022

FARADAY CUP + MANIPULATOR ARM CALIBRATION Calibration was done by laser Though, beam line calibration is yet to be done (ODC is not connected to beam line) 14 1/3/2022

NEXT MILESTONES… 15 1/3/2022

SIDE PROJECT: QUANTUM ESPRESSO QE is an open-source program that uses Density Functional Theory (and its generalizations) to calculate electronic structures and model materials in the nanoscale. Working through slides from workshops on a Linux, figuring out how to install on Windows 16 1/3/2022

Barcelona 17 1/3/2022

Bastille Day in Ferney. Voltaire DJ Dice at the Official Summer Student Party 18 1/3/2022

341 Questions? 19 1/3/2022