BULK GLASS INTERFEROMETER DESIGN WITH DISPERSION FOR COMPLEX CONJUGATE RESOLUTION AND RELATED ASPECTS

A high-dispersion retroreflector (1500) comprises filter glass transparent at least in near infra-red, IR, wavelengths and configured to cause differential dispersion of incident broadband low-coherent light in at least near infra-red, NIR wavelengths. The retroreflector may be used in a bulk glass...

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Bibliographic Details
Main Authors HENDARGO, Hansford, HART, Robert H
Format Patent
LanguageEnglish
French
German
Published 28.08.2024
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
MEDICAL OR VETERINARY SCIENCE
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
SURGERY
TESTING
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Summary:A high-dispersion retroreflector (1500) comprises filter glass transparent at least in near infra-red, IR, wavelengths and configured to cause differential dispersion of incident broadband low-coherent light in at least near infra-red, NIR wavelengths. The retroreflector may be used in a bulk glass differential dispersion interferometer assembly (1600) for extended depth imaging in optical coherence tomography, OCT. The interferometer assembly (1600) comprising an automated path length opto-mechanical assembly which includes a first, fixed, retroreflector (1604) located at one end of the optical-path; a second, adjustable, retroreflector (1602) co-located with a fixed high-dispersion retroreflector (1500) on a mount (1608) which is moveable to form an adjustable optical-path in the interferometer assembly (1600). The high-dispersion retroreflector (1500) comprising filter glass transparent at infra-red, IR, wavelengths is configured to cause differential dispersion at near infra-red, NIR wavelengths between broadband low-coherent incident light.
Bibliography:Application Number: EP20230160573