Sample analyzing apparatus
AssigneeHoriba, Ltd.
InventorIssei Yokoyama
Life of this patent
Estimating the term…
Abstract
Provided is a sample analyzing apparatus by which highly accurate measurement results can be obtained. The sample analyzing apparatus is provided with: a sample cell part constituting a plurality of cell spaces; light source parts that irradiate light in wavelength regions different from each other on the cell spaces; a plurality of collimator mirrors that are arranged to correspond to the cell spaces respectively and that collimate the transmitted light that has passed through the cell spaces; a diffraction grating that disperses the reflection light collimated by the collimator mirrors; a light collecting mirror that collects the light dispersed by means of the diffraction grating; and a light detector that detects the light collected by the light collecting mirror.
Claims4
A sample analyzing apparatus to analyze a component concentration of a sample by use of an absorption spectrum obtained by irradiating light on the sample, comprising:
- a sample cell part constituting a plurality of cell spaces having mutually different cell length,
- a light source part that irradiates the light whose wavelength region is different from each other on each of the cell spaces,
- a plurality of collimator mirrors that are arranged to correspond to each of the cell spaces and that collimate transmitted light that has passed through each of the cell spaces,
- a diffraction grating that disperses reflected light collimated by the plurality of collimator mirrors,
- a light collecting mirror that collects light dispersed by the diffraction grating, and
- a light detector that detects light collected by the light collecting mirror, wherein
- the plurality of the collimator mirrors are arranged so as to make an incident angle of the reflected light from each of the collimator mirrors to the diffraction grating different from each other.
A sample analyzing apparatus to analyze a component concentration of a sample by the use of an absorption spectrum obtained by irradiating light on the sample, comprising:
- a sample cell part that has a first cell space housing the sample and a second cell space whose cell length is shorter than that of the first cell space,
- a first light source that irradiates the light in a wavelength region where absorption by the sample is small on the first cell space,
- a second light source that irradiates the light in a wavelength region where absorption by the sample is big on the second cell space,
- a first collimator mirror that is arranged to correspond to the first cell space and that collimates transmitted light from the first cell space,
- a second collimator mirror that is arranged to correspond to the second cell space and that collimates transmitted light from the second cell space,
- a diffraction grating that disperses reflected light collimated by the first collimator mirror and the second collimator mirror,
- a light collecting mirror that collects light dispersed by the diffraction grating, and a light detector that detects light collected by the light collecting mirror, wherein
- an incident angle of the reflected light from the first collimator mirror to the diffraction grating is made to be different from an incident angle of the reflected light from the second collimator mirror to the diffraction grating.
Dependencies are inferred from the claim text.