Holographic interferometry

A critique of the technique and its potential for biomedical measurements

B. Ovryn, M. T. Manley, L. S. Stern

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Double-exposure holographic interferometry is a contactless whole-field method. Dimensional changes are visualized as a series of interference fringes overlaid on the holographic image of the femur, where each fringe represents 0.316 μm (half the wavelength of the laser light) of motion. Interferograms for intact femora and for femora with identical geometry prostheses were produced. We have shown that the femur bends as a beam under axial load. The position of maximum deflection is a function of the properties of the composite structure. Under a known load the amount of deflection can be calculated and the effect of the prosthesis's modulus can be ascertained. In addition to bending, rotational effects can be perceived. Although data interpretation is complex and holographic production is costly and time-consuming, the technique holds promise for biomechanical applications as well as other biomedical disciplines.

Original languageEnglish (US)
Pages (from-to)67-78
Number of pages12
JournalAnnals of Biomedical Engineering
Volume15
Issue number1
DOIs
StatePublished - Jan 1987
Externally publishedYes

Fingerprint

Holographic interferometry
Axial loads
Composite structures
Prosthetics
Wavelength
Geometry
Lasers

Keywords

  • Displacement
  • Double exposure
  • Holographic interferometry
  • Nondestructive testing

ASJC Scopus subject areas

  • Biomedical Engineering

Cite this

Holographic interferometry : A critique of the technique and its potential for biomedical measurements. / Ovryn, B.; Manley, M. T.; Stern, L. S.

In: Annals of Biomedical Engineering, Vol. 15, No. 1, 01.1987, p. 67-78.

Research output: Contribution to journalArticle

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