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High Resolution Imaging of Filtered Ultrasonic Echo Responses

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Part of the book series: Acoustical Imaging ((ACIM,volume 8))

Abstract

Several years ago we developed a high resolution ultrasonic B-scanner for general purpose diagnosis, but specifically oriented for use in ophthalmology.1 In the special case of ophthalmology, high resolution is necessary because of the small size of the eye and the amount of detail required for the diagnosis. High axial resolution (.3mm) was achieved through the use of wideband transducers operating at a nominal frequency of 10MHz. Adequate lateral resolution (approximately 1mm) resulted through the use of focused ultrasonic beams.

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References

  1. Holasek, E. and Sokollu, A,: Direct Contact, Hand-held Diagnostic B-Scanner, Proceedings of the 1972 Symposium of IEEE (72CHO-708- 8S0) pp, 38–43, 1972.

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  2. Holasek, E., Gans, L.A., Purnell, E.W. and Sokollu, A.: A Method for Spectra-Color B-Scan Ultrasonography, Journal of Clinical Ultrasound, Vol. 3, pp. 175–178, 1975.

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  3. Purnell, E.W., Sokollu, A., Holasek, E. and Cappaert, W.E.: Clinical Spectral Ultrasonography, Journal of Clinical Ultrasound, Vol. 3, pp. 187–189, 1975.

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  7. Jennings, W.D., Holasek, E. and Purnell, E.W.: Theoretical Analysis of Instantaneous Power Spectrum as Applied to Spectra-Color Ultrasonography, 2nd International Symposium on Ultrasonic Tissue Characterization, N.B.S., Pub. 453, 1977.

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  8. Jennings, W.D., Holasek, E. and Purnell, E.W.: High Resolution Instantaneous Ultrasonic Spectrum Analysis I: Theoretical Considerations, Ultrasound in Medicine, Vol. 4B, 1977.

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  9. Jennings, W.D., Holasek, E. and Purnell, E.W.: Frequency Scanning, in press.

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© 1980 Plenum Press, New York

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Holasek, E., Jennings, W.D., Purnell, E.W. (1980). High Resolution Imaging of Filtered Ultrasonic Echo Responses. In: Metherell, A.F. (eds) Acoustical Imaging. Acoustical Imaging, vol 8. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-2943-5_34

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  • DOI: https://doi.org/10.1007/978-1-4613-2943-5_34

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4613-2945-9

  • Online ISBN: 978-1-4613-2943-5

  • eBook Packages: Springer Book Archive

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