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Millimeter wavelength thermographic scanner
Author(s) -
Cacak Robert K.,
Winans Daniel E.,
Edrich Jochen,
Hendee William R.
Publication year - 1981
Publication title -
medical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.473
H-Index - 180
eISSN - 2473-4209
pISSN - 0094-2405
DOI - 10.1118/1.594991
Subject(s) - scanner , millimeter , optics , wavelength , medical imaging , medical physics , remote sensing , physics , computer science , artificial intelligence , geology
Two new types of thermographic instruments sensitive to millimeter‐wave electromagnetic radiation have been designed, constructed, and tested. These instruments utilize wavelengths that are three orders of magnitude longer and much more penetrating then those used in conventional infrared thermography. The instruments are capable of detecting apparent thermal variations as small as a fraction of a degree existing at tissue depths of several millimeters below the skin. By comparison, conventional IR thermographic units are limited to sampling radiation emitted only from the surface. The millimeter wave thermographic units are designed to contribute to the clinical detection of breast abnormalites with the specific aim of accurately and noninvasively detecting breast cancer.