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Astronomical demonstration of an infrared upconverter

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Abstract

AN upconverter based on a laboratory system1 developed at the Optical Sciences Center (OSC), University of Arizona, has been used to convert infrared photons from astronomical sources to higher frequency quanta that were detected with a pulse-counting photomultiplier photometer. These observations, made at the Coudé focus of the Steward Observatory 90-inch (229-cm) reflector on Kitt Peak, represent the first successful astronomical demonstration of infrared upconversion, although infrared laser heterodyne radiometry has recently been used to detect the Sun2 and α Boo3.

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References

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Authors and Affiliations

  1. Optical Sciences Center, University of Arizona, Tucson, Arizona, 85721

    THOMAS R. GURSKI

  2. Department of Astronomy, University of California Los Angeles, Los Angeles, California, 90024

    HARLAND W. EPPS

  3. Laboratory for Solar Physics and Astrophysics, NASA-Goddard Space Flight Center, Greenbelt, Maryland, 20771

    STEPHEN P. MARAN

Authors
  1. THOMAS R. GURSKI
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  2. HARLAND W. EPPS
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  3. STEPHEN P. MARAN
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GURSKI, T., EPPS, H. & MARAN, S. Astronomical demonstration of an infrared upconverter. Nature 249, 638–639 (1974). https://doi.org/10.1038/249638a0

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  • DOI: https://doi.org/10.1038/249638a0

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