(19)
(11) EP 3 928 135 A1

(12)

(43) Date of publication:
29.12.2021 Bulletin 2021/52

(21) Application number: 20708044.1

(22) Date of filing: 20.02.2020
(51) International Patent Classification (IPC): 
G02B 6/122(2006.01)
G02B 6/12(2006.01)
 G02B 6/42(2006.01)
G02B 6/10(2006.01)
(52) Cooperative Patent Classification (CPC):
G02B 2006/12159; G02B 6/122; G02B 2006/12147; G02B 2006/12173; G02B 2006/12038; G02B 6/102; G02B 6/4249
(86) International application number:
PCT/EP2020/054451
(87) International publication number:
WO 2020/169717 (27.08.2020 Gazette 2020/35)
(84) Designated Contracting States:
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
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 22.02.2019 EP 19158810

(71) Applicant: AIP Leibniz-Institut für Astrophysik
14482 Potsdam (DE)

(72) Inventor:
  • MINARDI, Stefano
    07745 Jena (DE)

(74) Representative: Heinemeyer, Karsten 
Advlnno Patent-u. Rechtsanwaltspart. mbB Heinemeyer & Joachim Sandstrasse 17-23
23552 Lübeck
23552 Lübeck (DE)

   


(54) PLANAR DISCRETE BEAM COMBINER FOR RETRIEVING COHERENCE PROPERTIES OF THE INCOMING LIGHT