Spectral measurement device and spectral measurement method
US12102430B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 30, 2022 |
| Grant date | Oct 1, 2024 |
| Priority date | — |
| Expiry date | Mar 30, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/3595
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A spectral measurement device to detect measurement light including light emitted from a measurement object and to measure spectral characteristic of the light, including: a spectral optical system to disperse the measurement light; a detection unit to detect intensity of light dispersed by the spectral optical system; a spectral characteristic acquisition unit to acquire a measurement light spectral characteristic indicating a relationship between a light intensity and a wavelength of the measurement light on a basis of a detection result; a storage unit to store spectral characteristic information on possible background light, the information indicating a spectral characteristic of the possible background light, which involves a spectral sensitivity characteristic of the detection unit; and a processing unit to obtain a spectral characteristic of background light emitted from the ambience of the measurement object, from the measurement light spectral characteristic and the spectral characteristic information on the possible background light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.