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Interactive and Visualized Online Experimentation System for Engineering Education and Research
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A distributed, graphical user interface based, computer control system for atomic physics experiments.

Aviv Keshet1, Wolfgang Ketterle

  • 1Massachusetts Institute of Technology, Department of Physics, Research Laboratory of Electronics, MIT/Harvard Center for Ultracold Atoms, 77 Massachusetts Ave, Cambridge, Massachusetts 02139, USA.

The Review of Scientific Instruments
|February 8, 2013
PubMed
Summary
This summary is machine-generated.

This study presents a distributed control system for atomic physics experiments, enabling precise timing of computer-controlled events. The system synchronizes multiple hardware outputs with 100 ns resolution using a novel clock system.

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Area of Science:

  • Atomic Physics
  • Computer Science
  • Engineering

Background:

  • Atomic physics experiments demand intricate, precisely timed sequences of computer-controlled events.
  • Existing control systems may lack the flexibility and synchronization capabilities required for complex experiments.

Purpose of the Study:

  • To develop a distributed, graphical user interface (GUI)-based control system for atomic physics experiments.
  • To achieve high-time resolution and synchronization across multiple output hardware components.

Main Methods:

  • The system employs a client-server architecture, separating the GUI for sequence design from hardware output servers.
  • It utilizes off-the-shelf National Instruments output hardware.
  • Synchronization is achieved using a shared clock, specifically a field programmable gate array (FPGA)-generated variable frequency clock.

Main Results:

  • The distributed system allows for flexible sequence design and hardware control.
  • Synchronization of multiple servers and output cards is effectively managed.
  • A time resolution of 100 nanoseconds (ns) is achieved over arbitrary sequence lengths due to shortened redundant buffers.

Conclusions:

  • The developed GUI-based distributed control system offers a robust solution for precise timing in atomic physics experiments.
  • The client-server design promotes extensibility to various output hardware.
  • The FPGA-generated clock significantly enhances synchronization accuracy and time resolution.