公开(公告)号：EP2972152A4

公开(公告)日：2018-02-14

申请号：EP14765007

申请日：2014-03-14

Applicant: P&P OPTICA INC

Inventor： PAWLUCZYK OLGA ,  PAWLUCZYK ROMUALD ,  PRETTI MICHAEL

IPC: G01J3/02 ,  G01J3/00 ,  G01J3/28 ,  H04N5/367

CPC classification number: G01J3/28 ,  G01J3/027 ,  G01J3/2803 ,  H04N5/367

Abstract: A method and an apparatus for increasing the accuracy of a spectrometer system corrects for light source quality, exposure time, distortion in y direction, distortion in x direction, temperature dependence, pixel alignment variability, dark pixels, bad pixels, pixel read noise, and pixel dark current noise. The method and apparatus produces an algorithm for optimizing spectral data and for measuring a sample within the spectrometer system using the optimization algorithm. The spectrometer apparatus comprises a composite external light source, a source light collector, an illumination light structuring component, a sample, a sample light collector, a spectrometer light structuring component, a light dispersing engine, photo detectors, an electrical signal converter, a data preprocessing unit, and a data analyzer. The method and apparatus can include a corrected photo detector algorithm, sample illumination correction algorithm, LDE-PD alignment procedure, SLSC-LDE alignment procedure, distortion correction matrix, and an algorithm for optimizing of spectral data.