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DIGITAL HOLOGRAPHY RECORDING DEVICE, DIGITAL HOLOGRAPHY PLAYBACK DEVICE, DIGITAL HOLOGRAPHY RECORDING METHOD, AND DIGITAL HOLOGRAPHY PLAYBACK METHOD

外国特許コード F160008890
整理番号 (S2015-0397-N0)
掲載日 2016年10月25日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2016JP052487
国際公開番号 WO 2016121866
国際出願日 平成28年1月28日(2016.1.28)
国際公開日 平成28年8月4日(2016.8.4)
優先権データ
  • 特願2015-014802 (2015.1.28) JP
発明の名称 (英語) DIGITAL HOLOGRAPHY RECORDING DEVICE, DIGITAL HOLOGRAPHY PLAYBACK DEVICE, DIGITAL HOLOGRAPHY RECORDING METHOD, AND DIGITAL HOLOGRAPHY PLAYBACK METHOD
発明の概要(英語) In the present invention, a hologram and fluorescent light are simultaneously captured as an image while separated playback is enabled. A recording device (10) is provided with a laser light source (LS1) for irradiating a subject (13) with object-illuminating light so that object light is produced, and an image-capturing device (12) for capturing an image of fluorescent light and a hologram formed by interference between reference light and the object light, the object-illuminating light also exciting a fluorescent body (14) included in the subject (13).
特許請求の範囲(英語) [claim1]
1. In order for object light to occur, the illuminant which irradiates object illumination light to the object and,
The hologram which is formed due to the fact that reference beam and the aforementioned object light interfere and the image pickup device which the image of fluorescence image pickup is done having,
In addition as for the aforementioned object illumination light, the digital holography recorder which features that the fluorescent substance which is included in the aforementioned object is excited.
[claim2]
2. As for the aforementioned illuminant, in the claim 1 which features that radiation it does the aforementioned object illumination light of single wave length the digital holography recorder of statement.
[claim3]
3. As for the aforementioned image pickup device, in the claim 1 which features that image pickup it does the picture where the image of the fluorescence which hologram and the aforementioned fluorescent substance which are formed due to the fact that the aforementioned object light and reference beam interfere give out is superimposed or 2 the digital holography recorder of statement.
[claim4]
4. The aforementioned fluorescence in the claim 3 which features that it has the image formation optical element which image formation it can point on the image pickup aspect of the aforementioned image pickup device the digital holography recorder of statement.
[claim5]
5. As for the aforementioned image pickup device, from the claim 1 which features that it is the monochrome image pickup device which does not use the color filter either of 4 in one section the digital holography recorder of statement.
[claim6]
6. The aforementioned illuminant is the 1st illuminant which irradiates the object illumination light of 1st wave length to the aforementioned object,
In order the aforementioned 1st wave length for object light of the 2nd wave length which differs to occur, having the 2nd illuminant which irradiates the object illumination light of the aforementioned 2nd wave length to the aforementioned object,
Hologram of the aforementioned 1st wave length and hologram of the aforementioned 2nd wave length and the image of the aforementioned fluorescence image pickup it does the aforementioned image pickup device,
As for both of object illumination light of the aforementioned 1st wave length and object illumination light of the aforementioned 2nd wave length, from the claim 1 which features that the aforementioned fluorescent substance is excited either of 5 in one section the digital holography recorder of statement.
[claim7]
7. Vis-a-vis the optical axis of the aforementioned object light which incidence is done in the aforementioned image pickup device, in the aforementioned image pickup device incidence as for the optical axis of the aforementioned reference beam which is done from the claim 1 which features that it is tilted either of 6 in one section the digital holography recorder of statement.
[claim8]
8. The illuminant which irradiates object illumination light to the object and,
The digital holography recorder which features that it has the image pickup device which the picture where the image of the fluorescence which the fluorescent substance which is included in hologram and the aforementioned object which are formed due to the fact that reference beam and object light from the aforementioned object interfere gives out is superimposed image pickup is done.
[claim9]
9. From the picture where hologram and the image of incoherent light which are formed due to the fact that reference beam and object light interfere are superimposed, making use of spatial phase shift method the request the complex amplitude of the aforementioned object light,
From complex amplitude of the aforementioned object light calculating strength of the aforementioned hologram,
The digital holography reproducing arrangement which features that the image of the aforementioned incoherent light is obtained by removing the aforementioned hologram from the aforementioned picture.
[claim10]
10. The picture where hologram and the image of incoherent light which are formed due to the fact that reference beam and object light interfere are superimposed Fourier is converted,
Fourier from the aforementioned picture which is converted, the spatial spectrum of the aforementioned object light is extracted,
By the fact that opposite Fourier it converts the spatial spectrum of the aforementioned object light which is extracted, the request the complex amplitude of the aforementioned object light,
0 next diffracted light components are sought from complex amplitude of the aforementioned object light, Fourier 0 next diffracted light components are removed from the aforementioned picture which is converted,
Fourier where 0 next diffracted light components are removed from the aforementioned picture which is converted, the digital holography reproducing arrangement which features that the spatial spectrum of the image of the aforementioned incoherent light is extracted.
[claim11]
11. By the fact that opposite Fourier it converts the spatial spectrum of the image of the aforementioned incoherent light which is extracted, in the claim 10 which features that the image of the aforementioned incoherent light is obtained the digital holography reproducing arrangement of statement.
[claim12]
12. The picture where hologram and the image of incoherent light which are formed due to the fact that reference beam and object light interfere are superimposed Fourier is converted,
Fourier from the aforementioned picture which is converted, the spatial spectrum of the aforementioned object light is extracted,
By the fact that opposite Fourier it converts the spatial spectrum of the aforementioned object light which is extracted, the request the complex amplitude of the aforementioned object light,
The digital holography reproducing arrangement which features that the image of the aforementioned incoherent light is obtained by calculating the strength of the aforementioned hologram from complex amplitude of the aforementioned object light, removes the aforementioned hologram from the aforementioned picture.
[claim13]
13. As object light is made to cause by irradiating the object illumination light which radiation is done to the object from the illuminant, the step which excites the fluorescent substance which is included in the aforementioned object by the aforementioned object illumination light and,
The digital holography record method of featuring that the step which the image of the fluorescence which hologram and the aforementioned fluorescent substance which are formed due to the fact that reference beam and the aforementioned object light interfere give out image pickup is done is included.
[claim14]
14. The step which irradiates object illumination light to the object and,
The digital holography record method of featuring that the step which the picture where the image of the fluorescence which the fluorescent substance which is included in hologram and the aforementioned object which are formed due to the fact that reference beam and object light from the aforementioned object interfere gives out is superimposed image pickup is done is included.
[claim15]
15. The step which seeks the complex amplitude of the aforementioned object light from the picture where hologram and the image of incoherent light which are formed due to the fact that reference beam and object light interfere are superimposed, making use of spatial phase shift method and,
The step which calculates the strength of the aforementioned hologram from complex amplitude of the aforementioned object light and,
The digital holography playback method of featuring that the step which obtains the image of the aforementioned incoherent light by removing the aforementioned hologram from the aforementioned picture, is included.
[claim16]
16. The step which the picture where the image of hologram and the incoherent light which are formed due to the fact that reference beam and object light interfere is superimposed Fourier is converted and,
Fourier from the aforementioned picture which is converted, the step which extracts the spatial spectrum of the aforementioned object light and,
By the fact that opposite Fourier it converts the spatial spectrum of the aforementioned object light which is extracted, the step which seeks the complex amplitude of the aforementioned object light and,
The step which removes 0 next diffracted light components from the aforementioned picture which seeks 0 next diffracted light components from complex amplitude of the aforementioned object light, Fourier is converted and,
Fourier where 0 next diffracted light components are removed from the aforementioned picture which is converted, the digital holography playback method of featuring that the step which extracts the spatial spectrum of the image of the aforementioned incoherent light is included.
[claim17]
17. The step which the picture where the image of hologram and the incoherent light which are formed due to the fact that reference beam and object light interfere is superimposed Fourier is converted and,
Fourier from the aforementioned picture which is converted, the step which extracts the spatial spectrum of the aforementioned object light and,
By the fact that opposite Fourier it converts the spatial spectrum of the aforementioned object light which is extracted, the step which seeks the complex amplitude of the aforementioned object light and,
The digital holography playback method of featuring that the step which obtains the image of the aforementioned incoherent light by calculating the strength of the aforementioned hologram from complex amplitude of the aforementioned object light, removes the aforementioned hologram from the aforementioned picture, is included.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • THE SCHOOL CORPORATION KANSAI UNIVERSITY
  • INTER-UNIVERSITY RESEARCH INSTITUTE CORPORATION RESEARCH ORGANIZATION OF INFORMATION AND SYSTEMS
  • 発明者(英語)
  • TAHARA TATSUKI
  • SATO IMARI
  • TAKAHASHI YUKI
  • KANNO TAKEYA
国際特許分類(IPC)
指定国 National 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 JP KE KG KN KP KR KZ LA LC LK LR LS 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
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: 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
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG

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