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Optical system having a diffractive optical element, and optical apparatus

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G02B-027/44
출원번호 US-0799058 (2001-03-06)
우선권정보 JP-0063398 (2000-03-08)
발명자 / 주소
  • Hideki Ogawa JP
출원인 / 주소
  • Canon Kabushiki Kaisha JP
대리인 / 주소
    Fitzpatrick, Cella, Harper & Scinto
인용정보 피인용 횟수 : 31  인용 특허 : 26

초록

An optical system includes a diffractive optical element having a diffraction grating provided, on a lens surface having a curvature, in a concentric-circles shape rotationally-symmetrical with respect to an optical axis. The sign of the curvature of the lens surface having the diffraction grating p

대표청구항

1. An optical system, comprising:a diffractive optical element having a diffraction grating provided, on a lens surface having curvature, in a concentric-circles shape rotationally-symmetrical with respect to an optical axis, wherein the sign of the curvature of the lens surface having said diffract

이 특허에 인용된 특허 (26)

  1. Chen Chungte W. (Irvine CA), Athermalized and achromatized optical systems employing diffractive optical element.
  2. Ogawa Hideki,JPX, Attachment lens having diffraction surface.
  3. Ogawa Hideki,JPX, Compact wide-angle zoom lens.
  4. Ogawa Hideki (Tokyo JPX) Endo Hiroshi (Kanagawa JPX), Compact zoom lens.
  5. Ishii Tetsuya,JPX, Diffractive optical element.
  6. Nakai Takehiko,JPX, Diffractive optical element and optical system having the same.
  7. Ogata Yasuji,JPX, Diffractive optical element both surfaces of which comprise diffractive surfaces.
  8. Mukai Hiromu,JPX ; Ori Yuichiro,JPX ; Ohmori Shigeto,JPX, Diffractive optical element, an optical system having a diffractive optical element, and a method for manufacturing a di.
  9. Abe Tetsuya,JPX, Diffractive-refractive achromatic lens.
  10. Abe Tetsuya,JPX ; Maruyama Koichi,JPX, Eyepiece lens system.
  11. Goto Hisashi,JPX, Imaging optical system.
  12. Arriola Edmund W., Low weight, achromatic, athermal, long wave infrared objective lens.
  13. Isaacson William B. (St. Paul MN) Futhey John A. (St. Paul MN) Thompson Kent D. (St. Paul MN) Ihn Paul T. (St. Paul MN), Multifocal diffractive ophthalmic lens and method of manufacture.
  14. Chen Chungte W. (Irvine CA), Optical element employing aspherical and binary grating optical surfaces.
  15. Nishio Akihiro,JPX ; Ogawa Hideki,JPX ; Misaka Makoto,JPX, Optical system and optical apparatus having the same.
  16. Ogawa Hideki,JPX, Optical system and photographing apparatus having image stabilizing function.
  17. Ogawa Hideki,JPX, Optical system with refracting and diffracting optical units, and optical instrument including the optical system.
  18. Ogawa Hideki (Tokyo JPX) Matsushita Takashi (Kanagawa JPX), Photographic lens of improved near distance performance.
  19. Fedorov Svyatoslav Nikolaevich,RUX ; Linnik Leonid Feodosicvich,RUX ; Treushnikov Valery Mikhailovich,RUX ; Viktorova Elena Alexandrovna,RUX, Polymer material for making an elastic intraocular lens and a lens based on said material.
  20. Takahashi Sadatoshi (Tokyo JPX) Ogawa Hideki (Tokyo JPX) Endo Hiroshi (Kanagawa JPX), Telephoto lens of large aperture ratio.
  21. Endo Hiroshi (Kanagawa JPX) Ogawa Hideki (Tokyo JPX), Zoom lens.
  22. Mizouchi Satoru,JPX ; Kato Masatake,JPX ; Eguchi Masaharu,JPX ; Ogawa Hideki,JPX, Zoom lens.
  23. Ogawa Hideki (Chofu JPX) Tanaka Tsunefumi (Yokohama JPX) Koyama Takeshi (Yokohama JPX), Zoom lens.
  24. Ogawa Hideki (Tokyo JPX), Zoom lens.
  25. Tanaka Tsunefumi (Kanagawa-ken JPX) Ogawa Hideki (Tokyo JPX) Endo Hiroshi (Kanagawa-ken JPX), Zoom lens.
  26. Tanaka Tsunefumi (Yokohama JPX) Ogawa Hideki (Choufu JPX) Kobayashi Masahito (Inagi JPX), Zoom lens.

이 특허를 인용한 특허 (31)

  1. Greiner, Christoph M.; Iazikov, Dmitri; Mossberg, Thomas W., Amplitude and phase control in distributed optical structures.
  2. Greiner, Christoph M.; Iazikov, Dmitri; Mossberg, Thomas W., Amplitude and phase control in distributed optical structures.
  3. Mossberg, Thomas W.; Greiner, Christoph M., Amplitude and phase control in distributed optical structures.
  4. Goh, Tze Wei Priscilla; Lee, Thean Ho, Aspheric lens with integral flange for optical measurement instrument.
  5. Iazikov,Dmitri; Greiner,Christoph M.; Mossberg,Thomas W., Birefringence control in planar optical waveguides.
  6. Ando, Takamasa; Korenaga, Tsuguhiro, Diffraction grating lens and method of producing the same, and imaging device in which the same is used.
  7. Nakai, Takehiko, Diffractive optical element and optical system having the same.
  8. Okuno, Takeharu, Diffractive optical element and optical system having the same.
  9. Greiner,Christoph M.; Iazikov,Dmitri; Mossberg,Thomas W., Distributed optical structures exhibiting reduced optical loss.
  10. Greiner, Christoph M.; Iazikov, Dmitri; Mossberg, Thomas W., Distributed optical structures in a planar waveguide coupling in-plane and out-of-plane optical signals.
  11. Iazikov,Dmitri; Greiner,Christoph M.; Mossberg,Thomas W., Distributed optical structures with improved diffraction efficiency and/or improved optical coupling.
  12. Mossberg, Thomas W.; Iazikov, Dmitri; Greiner, Christoph M., Etched surface grating having an effective blaze angle.
  13. Iazikov, Dmitri; Greiner, Christoph M.; Mossberg, Thomas W., Etched surface gratings fabricated using computed interference between simulated optical signals and reduction lithography.
  14. Iazikov,Dmitri; Greiner,Christoph M.; Mossberg,Thomas W., Etched surface gratings fabricated using computed interference between simulated optical signals and reduction lithography.
  15. Carlie, Nathan Aaron, Glasses for the correction of chromatic and thermal optical aberations for lenses transmitting in the near, mid, and far-infrared sprectrums.
  16. Mossberg,Thomas W., Holographic spectral filter.
  17. Iazikov,Dmitri; Greiner,Christoph M.; Mossberg,Thomas W., Integrated optical sensor incorporating sets of diffractive elements.
  18. Mossberg,Thomas W.; Iazikov,Dmitri; Greiner,Christoph M., Integrated optical spectrometer incorporating sets of diffractive elements.
  19. Mossberg, Thomas W.; Greiner, Christoph M.; Iazikov, Dmitri, Multimode planar waveguide spectral filter.
  20. Mossberg, Thomas W.; Greiner, Christoph M.; Iazikov, Dmitri, Multimode planar waveguide spectral filter.
  21. Clark,Roy; Hamilton,Douglas C., Optical element for efficient sensing at large angles of incidence.
  22. Iazikov, Dmitri; Greiner, Christoph M.; Mossberg, Thomas W., Optical encoding of data with distributed diffractive structures.
  23. Greiner, Christoph M.; Iazikov, Dmitri; Mossberg, Thomas W., Optical interconnect structures incorporating sets of diffractive elements.
  24. Greiner,Christoph M.; Iazikov,Dmitri; Mossberg,Thomas W., Optical interconnect structures incorporating sets of diffractive elements.
  25. Iazikov,Dmitri; Mossberg,Thomas W.; Greiner,Christoph M., Optical multiplexing device.
  26. Greiner,Christoph M.; Iazikov,Dmitri; Mossberg,Thomas W., Optical resonator formed in a planar optical waveguide with distributed optical structures.
  27. Greiner, Christoph M.; Mossberg, Thomas W.; Iazikov, Dimitri, Optical time delay apparatus incorporating diffractive element sets.
  28. Iazikov, Dmitri; Greiner, Christoph M.; Mossberg, Thomas W., Reconfigurable optical add-drop multiplexer incorporating sets of diffractive elements.
  29. Iazikov,Dmitri; Greiner,Christoph M.; Mossberg,Thomas W., Reconfigurable optical add-drop multiplexer incorporating sets of diffractive elements.
  30. Iazikov, Dmitri; Mossberg, Thomas W.; Greiner, Christoph M., Transmission gratings designed by computed interference between simulated optical signals and fabricated by reduction lithography.
  31. Iazikov, Dmitri; Mossberg, Thomas W.; Greiner, Christoph M., Transmission gratings designed by computed interference between simulated optical signals and fabricated by reduction lithography.
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