2003
DOI: 10.1117/12.478343
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Quantitative phase measurements using a quadrature tomographic microscope

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Cited by 9 publications
(7 citation statements)
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“…Earlier versions of what we are now calling the OQM were named the quadrature tomographic microscope (QTM) Stott et al, 2001;Townsend et al, 2003) because of the potential for doing tomographic imaging. We have recently determined that tomography is unnecessary for our cell counting purposes, although the potential for doing tomography remains.…”
Section: A Note On Nomenclaturementioning
confidence: 99%
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“…Earlier versions of what we are now calling the OQM were named the quadrature tomographic microscope (QTM) Stott et al, 2001;Townsend et al, 2003) because of the potential for doing tomographic imaging. We have recently determined that tomography is unnecessary for our cell counting purposes, although the potential for doing tomography remains.…”
Section: A Note On Nomenclaturementioning
confidence: 99%
“…OQM complements DIC microscopy, which is particularly useful for distinguishing edge features in nearly transparent samples. Preliminary work has already demonstrated the ability of OQM to distinguish layers of cells in mouse preimplantation embryos (Townsend et al, 2003).…”
Section: Introductionmentioning
confidence: 99%
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“…The instrument was based on techniques originally developed for radio frequency Doppler radar [4] that were later modified for laser radar [5]. The next generation instrument was implemented within a microscope that was named the quadrature tomographic microscope (QTM) because it could be used to acquire tomographic information and potentially provide viability measurements of live mouse embryos [6][7][8][9]. Since work had not been completed to rotate the sample [10][11] or rotate the incident angle of the light source [12], the microscopy technique was named optical quadrature microscopy (OQM) to differentiate between the technique used to acquire a single image of quantitative phase, and an instrument that creates a 3D tomographic reconstruction from the acquisition of multiple views.…”
Section: Introductionmentioning
confidence: 99%
“…We refer the reader to the references [1,2,3,4,5] for a thorough development of the OQM. Our fundamental assumption, here, is that the OQM can measure a fully complex field (simultaneously measure the magnitude and phase of a scattered field) at a single measurement plane.…”
Section: Introductionmentioning
confidence: 99%