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4. (WO2018119222) SYSTEMS AND METHODS FOR AIRY BEAM OPTICAL COHERENCE TOMOGRAPHY
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Pub. No.: WO/2018/119222 International Application No.: PCT/US2017/067881
Publication Date: 28.06.2018 International Filing Date: 21.12.2017
IPC:
G01B 9/02 (2006.01) ,G02B 27/09 (2006.01) ,A61B 5/00 (2006.01) ,A61B 27/09
G PHYSICS
01
MEASURING; TESTING
B
MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
9
Instruments as specified in the subgroups and characterised by the use of optical measuring means
02
Interferometers
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
27
Other optical systems; Other optical apparatus
09
Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
5
Measuring for diagnostic purposes; Identification of persons
[IPC code unknown for A61B 27/09]
Applicants:
THE CURATORS OF THE UNIVERSITY OF MISSOURI [US/US]; 3163 University Hall Columbia, MO 65211, US
Inventors:
YU, Ping; US
MA, Lixin; US
Agent:
BAILEY, Jennifer, C.; US
SNADER, Robin, A.; US
HONEYMAN, Marshall, S.; US
HINES, Jonathan, L.; US
Priority Data:
62/437,13021.12.2016US
Title (EN) SYSTEMS AND METHODS FOR AIRY BEAM OPTICAL COHERENCE TOMOGRAPHY
(FR) SYSTÈMES ET PROCÉDÉS POUR TOMOGRAPHIE PAR COHÉRENCE OPTIQUE DE FAISCEAUX D'AIRY
Abstract:
(EN) A system and method for performing Optical Coherence Tomography on a sample utilizes collimated, phase modulated beams of light in an interferometer. At least one of the beams of light utilized exists as an Airy beam for at least a portion of the procedure, obviating any deleterious impact caused by the Gaussian beam diffraction. The system may incorporate a light source, polarization beam splitter, delay line, non-polarization beam splitters, lenses, phase masks, waveplates, and mirrors, any or all of which may be controlled by a computing element.
(FR) L'invention concerne un système et un procédé permettant d'effectuer une tomographie par cohérence optique sur un échantillon et utilisant des faisceaux de lumière modulés en phase collimatés dans un interféromètre. Au moins l'un des faisceaux de lumière utilisés existe sous la forme d'un faisceau d'Airy pour au moins une partie de la procédure, ce qui évite tout impact délétère provoqué par la diffraction de faisceau gaussien. Le système peut intégrer une source de lumière, un diviseur de faisceau de polarisation, une ligne de retard, des séparateurs de faisceau sans polarisation, des lentilles, des masques de phase, des lames d'onde et des miroirs, un d'entre eux ou tous pouvant être commandés par un élément informatique.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)