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Journal of Ultrasound in Medicine, Vol 1, Issue 2 53-66, Copyright © 1982 by American Institute of Ultrasound in Medicine

JOURNAL ARTICLE

B-scan transducer peak frequency measurement by diffraction grating spectroscopy

A. Goldstein
Division of Medical Physics, Henry Ford Hospital, Detroit, MI 48202.

Making use of technology developed for optics, transmission diffraction grating spectroscopy is proposed as a method of measuring ultrasound transducer frequencies. Diffraction grating theory is presented and extended to the case of a new test object proposed to measure a B-scan transducer's peak frequency. A prototype test object was built and its feasibility tested. The experimental results indicate that the test object performed well and has high measurement precision. The question of measurement accuracy was not resolved by the feasibility test. This complex point is discussed in detail. Recent improvements of the test object and the author's ongoing studies of diffraction grating characteristics are presented.




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Copyright © 1982 by the American Institute of Ultrasound in Medicine.