SG11201901313PA - Diffractive optical element and method of forming thereof - Google Patents

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 11111111111111111111111111 1E1111111101100 11111111111111111111111111 0111111 Organization International Bureau (10) International Publication Number (43) International Publication Date . . .., . ... WO 2018/067074 Al 12 April 2018 (12.04.2018) WIP0 1 PCT _ (51) (21) (22) (25) Filing Language: (26) (30) (71) (72) Inventors: PANIAGUA DOMINGUEZ, Ramon Jose; c/ International Patent Classification: LIANG, Xinan; c/o Data Storage Institute, 2 Fusionopolis B82Y 20/00 (2011.01) HO1Q 15/02 (2006.01) Way, #08-01, Innovis, Singapore 138634 (SG). GO2B 5/18 (2006.01) (74) Agent: VIERING, JENTSCHURA & PARTNER LLP; International Application Number: P.O. Box 1088, Rochor Post Office, Rochor Road, Singa- PCT/SG2017/050503 pore 911833 (SG). International Filing Date: (81) Designated States (unless otherwise indicated, for every 05 October 2017 (05.10.2017) kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, English CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, Publication Language: English DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, Priority Data: HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, 10201608361Y 05 October 2016 (05.10.2016) SG 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, Applicant: AGENCY FOR SCIENCE, TECHNOLO- OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, GY AND RESEARCH [SG/SG]; 1 Fusionopolis Way, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, #20-10 Connexis North Tower, Singapore 138632 (SG). TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every o Data Storage Institute, 2 Fusionopolis Way, #08-01, Irmo- kind of regional protection available): ARIPO (BW, GH, vis, Singapore 138634 (SG). KHAIDAROV, Egor; c/o Da- GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, ta Storage Institute, 2 Fusionopolis Way, #08-01, Innovis, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, Singapore 138634 (SG). KUZNETSOV, Arseniy; c/o Da- TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, ta Storage Institute, 2 Fusionopolis Way, #08-01, Innovis, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, Singapore 138634 (SG). HAO, Hanfang; c/o Data Storage MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, Institute, 2 Fusionopolis Way, #08-01, Innovis, Singapore TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, 138634 (SG). YU, Yefeng; c/o Data Storage Institute, 2 Fu- KM, ML, MR, NE, SN, TD, TG). sionopolis Way, #08-01, Innovis, Singapore 138634 (SG). = = _ — = Title: DIFFRACTIVE : There is provided the array of optical nanoantennas being spaced apart periodically in a lateral direction at a predetermined wavelength. In particular, each optical distribution of electromagnetic orders so as to energy in at least a second direction, the first direction and the second direction and a second diffraction order of the plurality of diffraction orders, respectively. There the diffractive optical element and a flat optical element, such as a flat lens. (54) ' IlL, substrate, N diffraction electromagnetic GC forming OPTICAL ELEMENT AND METHOD OF FORMING THEREOF 220 \'.--- 204 1 - 4-' --- R-- -- 204 ri---- / = < 200 214 212 or} ,._) )/ 222 206 204 4, c-203 of optical nanoantennas arranged on the for supporting a plurality of diffraction of optical nanoantennas is configured to wavelength amongst the plurality of direction and suppress scattering of the corresponding to a first diffraction also provided a corresponding method of = = = _ = 204 204 1 - R- - ' --- r - 4- --- = d ___/ - 202 = = a diffractive optical element including a substrate, and an array energy from an incident light having the predetermined promote scattering of the electromagnetic 208 FIG. 2 nanoantenna in the array energy in at least a first = 1- 2, 1 (57) 'V orders C control ---- order 1-1 0 ei O [Continued on next page] WO 2018/067074 Al MIDEDIMOMMIDIREIEHMOHNIONEHEMOVOIS Published: — with international search report (Art. 21(3))