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SPECTROSCOPE

外国特許コード F170009030
整理番号 (S2015-1758-N0)
掲載日 2017年4月11日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2016JP070287
国際公開番号 WO 2017007024
国際出願日 平成28年7月8日(2016.7.8)
国際公開日 平成29年1月12日(2017.1.12)
優先権データ
  • 特願2015-137321 (2015.7.8) JP
発明の名称 (英語) SPECTROSCOPE
発明の概要(英語) This spectroscope (1) is composed of a conjugate-plane-imaging optical system and a one-shot optical system. In a conjugate-plane-imaging optical system, the image of an object (object surface) to be measured forms an optically conjugate plane with an object surface using an imaging lens or wide-angle lens, and a micro objective lens or other lens (11) that corresponds to a magnification and a visual range which are observation conditions. The conjugate plane is the object surface of a one-shot optical system, and a multiple slit (13) is disposed in the conjugate plane. The multiple slit (13) has a plurality of apertures arranged in periodic fashion in a predetermined direction. The one-shot optical system is an infinity-corrected imaging optical system brought about by an objective lens (15) and an imaging lens (17), and has a phase shifter (19) disposed in the vicinity of a Fourier transform plane, a 2D light-receiving array device (21) disposed in the imaging plane of the imaging lens (17), and a plano-concave cylindrical lens (23) disposed between the multiple slits (13) and the objective lens (15).
従来技術、競合技術の概要(英語) BACKGROUND ART
Cholesterol contained in blood glucose the amount of biological components such as diabetes and hyperlipidemia and the like, can be indicative of various diseases, for the prophylaxis and treatment of diseases in the prior art in the blood of the amount of biological components of the management is carried out. To measure the amount of biological components of blood is, usually, the use of the collected blood from the body, the collection of blood is painful. In addition, the disinfection of the blood collection site of the consumables or blood is used as the need for a troublesome operation for processing and the like, for the purpose of preventing disease for measuring the amount of biological components of blood are routinely carried out is avoided.
Therefore, blood is taken to measure the amount of the biological components without a non-invasive measurement method (Patent Document 1) have been proposed. In this method, the test site of a living body is irradiated with light, whereby the site of the subject in the interior of the light emitted from a biological component (object light) from the spectral characteristic of the biological component is a qualitative, quantitative measurement. Specifically, the biological component is configured to optically transparent and diffusing the light emitted from the light-emitting areas, such as scattered light as object light, a phase shifter via the objective lens and the movable mirror unit is guided to the fixed mirror, two mirrors 2 are reflected from the object light beam is converged by the imaging optical system, in the imaging plane of the interference. The movable mirror is moved by the piezoelectric element and as a result, the amount of movement of the movable mirror portion of the phase difference corresponding to the object light beam reflected in the fixed mirror and the movable mirror generated in the light fluxes reflected from the object, both light beams with which the intensity of the interference light due to the change, to form a so-called interferogram. The interferogram by Fourier-transforming the spectral characteristics of the object light (spectrum) are obtained.
However, in the above-described measurement method, a light intensity distribution of interference in the imaging plane of the region to be examined by a texture (surface status) the diffraction angle being affected. That is, the refractive index distribution of the object to be examined and the like where the light passes through the optical texture of the difference in light quantity distribution of the object in the image plane are different from each other, the light amount distribution, the interference depends on the concentration of a biological component to be superimposed on the amount of light distribution and thus, the concentration of the biological component may not be accurately measured.
In addition, in the case of a spatially coherent light, the texture is almost no higher order diffracted light from the specimen are generated, only the 0 order light. Koehler illumination is irradiated onto the sample for example, primary light 0 from the sample reaches the objective lens as a parallel light beam, optical Fourier conversion surface of the light is condensed. In such a case the object cannot be divided, it is not possible to obtain the spectral characteristics.
On the other hand, in Patent Document 2, a conjugate image of the object surface once an imaging optical system, optically conjugate with the object plane is formed on the lens surface, the conjugate on the image plane of the object type diffraction grating disposed on the light beam is applied to the spatial period change disclosed technique. Is applied to the spatial period change of the object light beam is guided to the phase shifter via the objective lens. According to this method, there is almost no texture or light from the sample is a clear interferogram can be acquired, the spectral characteristics of light can be obtained (Patent Document 2, see Non-Patent Document 1). Type diffraction grating is, focusing to the optical axis direction (the direction of the imaged line) are alternately arranged in a light-transmitting portion of the present invention, the interval (period) of a translucent portion of the collecting unit or the light-transmitting axis direction and the interference in the optical axis direction (focusing direction perpendicular to the optical axis direction) of the length (length and width of the light transmitting portion) is several tens to several hundred µm µm - very small, also referred to as a multiple slit.
  • 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
  • NATIONAL UNIVERSITY CORPORATION KAGAWA UNIVERSITY
  • 発明者(英語)
  • ISHIMARU, Ichiro
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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