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Cerenkov Luminescence Imaging of Interscapular Brown Adipose Tissue
06:28

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Published on: October 7, 2014

Construction of a Cerenkov light source.

G B Rothbart1, J C Sheppard, M A Piestrup

  • 1Department of Electrical Engineering, Stanford University, Stanford, California 94305Stanford Linear Accelerator Center, Stanford University, Stanford, California 94305.

The Review of Scientific Instruments
|April 1, 1979
PubMed
Summary
This summary is machine-generated.

A novel radiation source utilizing Cerenkov emission offers an intense, tunable ultraviolet beam. This development at the Stanford Linear Accelerator Center (SLAC) provides a focused beam with high brightness and precise timing for advanced research.

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Area of Science:

  • Physics
  • Optical Engineering
  • Accelerator Technology

Background:

  • Development of intense, tunable radiation sources is crucial for scientific advancement.
  • Cerenkov emission offers a potential mechanism for generating broad-spectrum radiation.
  • Existing sources may lack the required brightness, tunability, or temporal resolution for certain applications.

Purpose of the Study:

  • To develop and implement a novel radiation source based on Cerenkov emission.
  • To achieve an intense continuum from infrared to 600 Angstroms.
  • To provide a focused and tunable ultraviolet beam with specific performance characteristics.

Main Methods:

  • Utilizing Cerenkov emission from a primary electron beam.
  • Parasitic use of the electron beam at the Stanford Linear Accelerator Center (SLAC).
  • Employing a novel optical geometry for efficient light collection.

Main Results:

  • Generation of a focused and tunable ultraviolet beam.
  • Achieved brightness of 10(4) kW/m(2)sr.
  • Demonstrated spectral purity of 10(-2) and 5 ps time structure, matching the SLAC electron beam.
  • Experimental measurements in the visible spectrum correlated well with predictions.

Conclusions:

  • The developed Cerenkov-based radiation source meets its design goals for intensity, tunability, and temporal structure.
  • This novel source offers significant potential for applications requiring high-brightness, pulsed ultraviolet light.
  • The successful implementation at SLAC validates the novel optical geometry and parasitic beam utilization approach.