Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DATA ACQUISITION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/211910
Kind Code:
A1
Abstract:
Provided is a data acquisition device that is capable of calculating a refractive index with high accuracy. A data acquisition device according to the present invention is provided with: a light source; a first beam splitter; a predetermined beam splitter; a first light deflecting element; a second light deflecting element; a first measurement unit; a second measurement unit; a second beam splitter; and a light detector. In the first beam splitter, light advancing in a first direction and light advancing in a second direction are generated from incident light via an optical film. A second measurement light path is located in the first direction, and a reference light path is located in the second direction. The predetermined beam splitter is disposed in the second measurement light path or is disposed in the reference light path. The first measurement light path is located between the predetermined beam splitter and the light detector. The first light deflecting element and the first measurement unit are disposed in the first measurement light path, and the second light deflecting element and the second measurement unit are disposed in the second measurement light path. The first measurement light path and the second measurement light path cross each other.

Inventors:
ODAIRA Mayumi (2951 Ishikawa-machi, Hachioji-sh, Tokyo 07, 〒1928507, JP)
SUZUKI Yoshimasa (2951 Ishikawa-machi, Hachioji-sh, Tokyo 07, 〒1928507, JP)
Application Number:
JP2018/017542
Publication Date:
November 07, 2019
Filing Date:
May 02, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
OLYMPUS CORPORATION (2951, Ishikawa-machi Hachioji-sh, Tokyo 07, 〒1928507, JP)
International Classes:
G01N21/45
Domestic Patent References:
WO2016121248A12016-08-04
WO2018049476A12018-03-22
Foreign References:
JP2017026596A2017-02-02
JP2009223348A2009-10-01
JP2012533746A2012-12-27
JP2013145199A2013-07-25
JP2001228123A2001-08-24
US20140307249A12014-10-16
Attorney, Agent or Firm:
SAITO Keisuke (Surugadai-shita MK Bldg. 6F, 41-3 Kanda-jimbocho 1-chome, Chiyoda-k, Tokyo 51, 〒1010051, JP)
Download PDF: