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Spectroscope

一种分光装置、光检测的技术，应用在测量装置、颜色测量装置、光学等方向，能够解决花费时间等问题

Inactive Publication Date: 2006-04-05
HAMAMATSU PHOTONICS KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, since the rotating plate type spectroscopic device selects the filter by mechanically rotating the rotating plate, it takes time to detect multiple wavelengths.
Blood tests require rapid multi-sample and multi-item detection, and the spectroscopic device of the rotating plate method cannot meet such requirements.

Method used

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Examples

Experimental program
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Embodiment Construction

[0024] Hereinafter, the spectroscopic device according to the embodiment will be described with reference to the drawings. In addition, the same reference numerals are used for the same elements, and overlapping descriptions are omitted.

[0025] FIG. 1 is a schematic diagram of a spectroscopic device according to Embodiment 1. FIG. Spectroscopic device 1 is the spectroscopic device that detects the light component of 9 kinds of wavelengths, possesses: the light source 3 that for example comprises the iodine bulb of 20W; Carry out the lens 5 of 2 pieces that condenses the light L emitted while carrying out some expansion from light source 3, 7. The aperture 9 through which the light L passing through the lenses 5 and 7 passes; the lens 11 that makes the light L passing through the aperture 9 and passing through the sample unit S containing the inspection sample become substantially parallel rays ; Use the lens 11 to become the light splitting portion 13 where the light L that...

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Abstract

In this spectral instrument, a plurality of interference filters 31, 32... with transmitting wavebands different from each other are arranged in order so that light reflected by a specific interference filter 31 is made incident on the interference filter 32 on the next stage, and at positions on which light transmitted through each interference filter is made incident, photodetecting devices 41, 42... are provided, wherein a silver thin film 31a with a thickness of 20 to 200nm is provided on the light incidence surface side of the interference filter 31 on the first stage.

Description

technical field [0001] The present invention relates to spectroscopic devices used, for example, in blood tests. Background technique [0002] The spectroscopic device is a device that measures the absorbance / reflectance of the test sample by irradiating light from the light source to the test sample and converting the intensity of the light that has passed through the test sample / reflected light into an electrical signal. Applied in many ways. When a spectroscopic device is applied to, for example, colorimetry or blood testing, absorbance is measured for a plurality of light components having different wavelengths, that is, for each of multiple wavelengths, among light transmitted through a test sample. As such a spectroscopic device, there is, for example, a rotary plate type spectroscopic device disclosed in JP-A-59-131124. In this spectroscopic device, detection of multiple wavelengths is enabled by mechanically rotating a rotating plate so that a filter that transmits...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J3/36G02B5/28G01J3/26G01N21/31
CPCG01N21/31G01N2021/3166G01J3/51G01N21/255G01N21/892G01N2021/3137G01N2021/3177G01J3/26G01N21/896G01N21/90G01J3/021G01J3/36G01J2003/1221G01J2003/1226G01J2003/123G01J2003/1239G02B5/28
Inventor 山内一德杉山浩之
Owner HAMAMATSU PHOTONICS KK