公开(公告)号：US20200271511A1

公开(公告)日：2020-08-27

申请号：US16316100

申请日：2017-05-12

Applicant: HAMAMATSU PHOTONICS K.K.

Inventor： Kengo SUZUKI ,  Kazuya IGUCHI ,  Yasuyuki TANABE

IPC: G01J1/04 ,  G01J1/16 ,  G01J3/02

Abstract: An optical measuring device includes an integrator formed with an incident opening on which excitation light is to be incident and an exit opening from which measurement light is to exit, a light guide unit for guiding the measurement light that exits from the exit opening, and a light detecting unit for detecting the measurement light guided by the light guide unit. The light guide unit includes a plurality of light guide members arranged so that incident end surfaces of the light guide members face the inside of the integrator through the exit opening. The light detecting unit detects the measurement light that is guided by at least one of the plurality of light guide members. Light-receiving regions of the plurality of light guide members on the incident end surface side overlap with each other in the integrator.

公开(公告)号：US20170212047A1

公开(公告)日：2017-07-27

申请号：US15312771

申请日：2015-04-07

Applicant: HAMAMATSU PHOTONICS K.K.

Inventor： Shigeru EURA ,  Kengo SUZUKI ,  Kenichiro IKEMURA ,  Kazuya IGUCHI

IPC: G01N21/64 ,  G01J3/443

CPC classification number: G01N21/64 ,  G01J3/0254 ,  G01J3/443 ,  G01N2201/12753

Abstract: An optical measurement device inputs excitation light to an integrating sphere in which a sample is disposed, irradiates the sample with the excitation light having a predetermined beam cross-section, detects measurement light output from the integrating sphere by a photodetector, and acquires intensity data of the sample. The optical measurement device includes a storage unit in which correction data is stored and an optical characteristic calculation unit for calculating optical characteristics of the sample based on the intensity data of the sample and the correction data. The correction data is calculated based on first corrective intensity data and second corrective intensity data. The predetermined beam cross-section is covered with the first light absorbing member and covers the second light absorbing member.