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Baumgartner et al., 2000 - Google Patents

Resolution-improved dual-beam and standard optical coherence tomography: a comparison

Baumgartner et al., 2000

Document ID
1466059205592440924
Author
Baumgartner A
Hitzenberger C
Ergun E
Stur M
Sattmann H
Drexler W
Fercher A
Publication year
Publication venue
Graefe's archive for clinical and experimental ophthalmology

External Links

Snippet

Background: The purpose of the study was to demonstrate the improved axial resolution and longitudinal stability of dual-beam optical coherence tomography (OCT) in comparison to conventional OCT setups used in commercially available OCT instruments. Methods: The …
Continue reading at link.springer.com (other versions)

Classifications

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    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/102—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for optical coherence tomography [OCT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
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    • A61B3/1225—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes using coherent radiation
    • A61B3/1233—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes using coherent radiation for measuring blood flow, e.g. at the retina
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    • A61B5/0059—Detecting, measuring or recording for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0062—Arrangements for scanning
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    • A61B3/16—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring intraocular pressure, e.g. tonometers
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    • A61B3/1005—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring distances inside the eye, e.g. thickness of the cornea
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Instruments as specified in the subgroups and characterised by the use of optical measuring means
    • G01B9/02—Interferometers for determining dimensional properties of, or relations between, measurement objects
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    • G01B9/02068—Auto-alignment of optical elements
    • G—PHYSICS
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    • G01B9/02062—Active error reduction, i.e. varying with time
    • G01B9/02063—Active error reduction, i.e. varying with time by particular alignment of focus position, e.g. dynamic focussing in optical coherence tomography
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    • G—PHYSICS
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    • G01B9/02027—Two or more interferometric channels or interferometers
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    • G—PHYSICS
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    • G01B9/02034—Interferometers for determining dimensional properties of, or relations between, measurement objects characterised by particularly shaped beams or wavefronts
    • G01B9/02038—Shaping the wavefront, e.g. generating a spherical wavefront

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