The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 23, 2016

Filed:

Sep. 17, 2013
Applicant:

Hamamatsu Photonics K.k., Hamamatsu-shi, Shizuoka, JP;

Inventors:

Shigeru Eura, Hamamatsu, JP;

Kengo Suzuki, Hamamatsu, JP;

Kenichiro Ikemura, Hamamatsu, JP;

Kazuya Iguchi, Hamamatsu, JP;

Assignee:

HAMAMATSU PHOTONICS K.K., Hamamatsu-shi, Shizuoka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 1/04 (2006.01); G01N 21/31 (2006.01); G01J 3/44 (2006.01); G01N 21/64 (2006.01); G01J 3/02 (2006.01); G01J 3/42 (2006.01);
U.S. Cl.
CPC ...
G01N 21/31 (2013.01); G01J 3/0254 (2013.01); G01J 3/0291 (2013.01); G01J 3/42 (2013.01); G01J 3/4406 (2013.01); G01N 21/645 (2013.01); G01N 21/6489 (2013.01); G01N 2021/6469 (2013.01); G01N 2021/6482 (2013.01); G01N 2201/062 (2013.01); G01N 2201/065 (2013.01); G01N 2201/12 (2013.01);
Abstract

A spectral measurement apparatus includes a light source for generating a excitation light; an integrator having an input opening portion and an output opening portion; a housing portion arranged in the integrator and for housing a sample; an incidence optical system for making the excitation light incident to the sample; a photodetector for detecting a light to be measured output from the output opening portion; and an analysis means for calculating a light absorptance of the sample, based on a detection value detected by the photodetector, and an irradiation area with the excitation light at a position of incidence to the sample is set larger than an irradiated area of the sample, and the analysis means performs an area ratio correction regarding the irradiation area with the excitation light and the irradiated area of the sample, with respect to the light absorptance calculated.


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