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Journals

Normal Infrared Spectral Emittance of Al2O3

Author(s)
Simon G. Kaplan, Leonard M. Hanssen
We have measured the near-normal ordinary ray transmittance and reflectance of crystalline Al 2O 3 from 1.6 m to 11 m and temperatures from 296 K to 582 K. The

InSb Working Standard Radiometers

Author(s)
George P. Eppeldauer, Alan L. Migdall, Leonard M. Hanssen
Standard quality InSb radiometers have been developed and characterized at the national Institute of Standards and Technology (NIST). The InSb radiometers will