EP 3994529 A4 20240228 - CALIBRATION-FREE PHASE SHIFTING PROCEDURE FOR SELF-INTERFERENCE HOLOGRAPHY
Title (en)
CALIBRATION-FREE PHASE SHIFTING PROCEDURE FOR SELF-INTERFERENCE HOLOGRAPHY
Title (de)
KALIBRIERFREIES PHASENVERSCHIEBUNGSVERFAHREN FÜR SELBSTINTERFERENZHOLOGRAFIE
Title (fr)
PROCÉDURE DE DÉPHASAGE SANS ÉTALONNAGE POUR HOLOGRAPHIE À AUTO-INTERFÉRENCE
Publication
Application
Priority
- US 201962870364 P 20190703
- US 2020040683 W 20200702
Abstract (en)
[origin: WO2021003380A1] An apparatus and method are introduced to produce a hologram of an object from electromagnetic radiation, such as incoherent light, received from the object. The electromagnetic radiation is received by a receiving assembly and transformed into a plurality of co-linear co-propagating beams with different focal distances. The interference of the plurality of beams is enabled by projecting components of each beam along a common polarization direction. The interference patterns thus formed are recorded and then processed to form the hologram of the object.
IPC 8 full level
G03H 1/04 (2006.01); G02B 5/30 (2006.01); G03H 1/00 (2006.01); G03H 1/06 (2006.01); G03H 1/08 (2006.01); G03H 5/00 (2006.01); G02B 3/00 (2006.01); G02B 27/28 (2006.01)
CPC (source: EP)
G02B 5/3083 (2013.01); G02B 27/286 (2013.01); G03H 1/0443 (2013.01); G03H 1/0465 (2013.01); G03H 1/06 (2013.01); G02B 3/0087 (2013.01); G03H 1/0866 (2013.01); G03H 2001/005 (2013.01); G03H 2001/0447 (2013.01); G03H 2001/0458 (2013.01); G03H 2222/24 (2013.01); G03H 2222/31 (2013.01); G03H 2223/17 (2013.01); G03H 2223/19 (2013.01); G03H 2223/20 (2013.01); G03H 2223/22 (2013.01); G03H 2226/11 (2013.01)
Citation (search report)
- [XAI] TATSUKI TAHARA ET AL: "Single-shot phase-shifting incoherent digital holography", JOURNAL OF OPTICS, INSTITUTE OF PHYSICS PUBLISHING, BRISTOL GB, vol. 19, no. 6, 22 May 2017 (2017-05-22), pages 65705, XP020316965, ISSN: 2040-8986, [retrieved on 20170522], DOI: 10.1088/2040-8986/AA6E82
- [XAI] DONG LIANG ET AL: "Single-shot Fresnel incoherent digital holography based on geometric phase lens", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, 16 November 2018 (2018-11-16), XP081429481
- See also references of WO 2021003380A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2021003380 A1 20210107; EP 3994529 A1 20220511; EP 3994529 A4 20240228
DOCDB simple family (application)
US 2020040683 W 20200702; EP 20834451 A 20200702