Referenced Items are not available for this document.
The acoustic counterpart of the Nomarski differential-phase optical microscope is described and demonstrated at 50 MHz. A phase sensitivity of 190 mV/degree with a noise floor at 10 mV in a 1 kHz bandwidth was measured for this instrument. This suggests that the minimum measurable height with this system is 22 Å. A variety of images obtained from metal surfaces and composite materials is presented
Published in:
Ultrasonics Symposium, 1989. Proceedings., IEEE 1989
Date of Conference: 3-6 Oct 1989
- Page(s):
- 817 - 820 vol.2
- Meeting Date :
- 03 Oct 1989-06 Oct 1989
- INSPEC Accession Number:
- 3774511
- Conference Location :
- Montreal, Que.
- Digital Object Identifier :
- 10.1109/ULTSYM.1989.67101
- Product Type:
- Conference Publications
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