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1. (WO2014192291) DIFFRACTIVE OPTICAL ELEMENT, OPTICAL APPARATUS, AND PRODUCTION METHOD FOR DIFFRACTIVE OPTICAL ELEMENT
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2014/192291    International Application No.:    PCT/JP2014/002792
Publication Date: 04.12.2014 International Filing Date: 27.05.2014
IPC:
G02B 5/18 (2006.01)
Applicants: NIKON CORPORATION [JP/JP]; 12-1, Yurakucho 1-chome, Chiyoda-ku, Tokyo 1008331 (JP)
Inventors: OKADA, Noriaki; (JP)
Agent: OHNISHI, Shogo; S.OHNISHI & ASSOCIATES, HIGASHI-IKEBUKURO SS BUILDING 1F, 3-20-3, Higashi-Ikebukuro, Toshima-ku, Tokyo 1700013 (JP)
Priority Data:
2013-111585 28.05.2013 JP
Title (EN) DIFFRACTIVE OPTICAL ELEMENT, OPTICAL APPARATUS, AND PRODUCTION METHOD FOR DIFFRACTIVE OPTICAL ELEMENT
(FR) ÉLÉMENT OPTIQUE DIFFRACTIF, APPAREIL OPTIQUE, ET PROCÉDÉ DE PRODUCTION DE L'ÉLÉMENT OPTIQUE DIFFRACTIF
(JA) 回折光学素子、光学機器、および回折光学素子の製造方法
Abstract: front page image
(EN)A diffractive optical element (D) joining two diffractive elements (E1, E2) comprising different optical materials, having a diffractive optical surface having a diffractive grating groove (g) formed on the joining surface, and characterized by at least one of the two diffractive elements (E1, E2) formed using an optical material including pores (B) and the optical material comprising the pores (B) fulfilling prescribed conditions.
(FR)L'invention concerne un élément optique diffractif (D) joignant deux éléments diffractifs (E1, E2) comprenant différents matériaux optiques, ayant une surface optique diffractive comportant une rainure de réseau de diffraction (g) formée sur la surface de jonction, et caractérisé par au moins l'un des deux éléments diffractifs (E1, E2) formé en utilisant un matériau optique comprenant des pores (B), et le matériau optique comprenant des pores (B) satisfaisant des conditions prescrites.
(JA) 異なる光学材料からなる2つの回折素子要素(E1,E2)を接合し、その接合面に回折格子溝(g)が形成された回折光学面を有する回折光学素子(D)は、2つの回折素子要素(E1,E2)のうちの少なくとも一方が、空孔(B)を含む光学材料で形成されており、この空孔(B)を含む光学材料が、所定の条件を満足することを特徴とする。
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, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, 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 (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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: Japanese (JA)
Filing Language: Japanese (JA)