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Optical Engineering

Preliminary investigation into the analytical potential of a multiwavelength fiber drop analyzer with special reference to applications in medical diagnostics
Author(s): Norman Douglas McMillan; Eon O'Mongain; James Edward Walsh; Liam Breen; Duncan McMillan; Michael J. Power; John P. O'Dea; Seamus M. Kinsella; Mairead P. Kelly; Conor Hammil; Dermot Orr
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Paper Abstract

A preliminary investigation into the use of multiwavelength fiber drop analyzer (FDA) for the measurement of viscosity, spectral absorbance, and refractive index is made with a view to obtaining conservative estimates of the instrumental capability of the FDA for these measurands. Some important new insights into drop vibrations are made from studies on the fiber drop traces (FDTs) of mechanically excited damped vibrations in drops with a set volume. A brief description of the feasibility measurements on the first application of the FDA in the diagnosis of disease in synovial fluid is given. Strong experimental evidence is reported for the existence of the surface-guided wave (SGW) peak of the fiber drop trace and some new insights into the nature of the FDT are suggested based on a comparative study of the FDTs from a multiple-wavelength and a single-wavelength FDA. The earlier reported drop period dependence on applied electric field is critically reexamined, a new interpretation of this effect is suggested, and an experimental study of clarification is given. Finally, a brief review of the projected capabilities of the FDA based on the work reported here is provided.

Paper Details

Date Published: 1 December 1994
PDF: 20 pages
Opt. Eng. 33(12) doi: 10.1117/12.184442
Published in: Optical Engineering Volume 33, Issue 12
Show Author Affiliations
Norman Douglas McMillan, Regional Technical College (Ireland)
Eon O'Mongain, Univ. College Dublin (Ireland)
James Edward Walsh, Dublin City Univ. (Ireland)
Liam Breen, Regional Technical College (Ireland)
Duncan McMillan, Regional Technical College (Ireland)
Michael J. Power, Regional Technical College (Ireland)
John P. O'Dea, Regional Technical College (Ireland)
Seamus M. Kinsella, Regional Technical College (Ireland)
Mairead P. Kelly, Regional Technical College (Ireland)
Conor Hammil, Regional Technical College (Ireland)
Dermot Orr, Univ. College Dublin (Ireland)


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