公开(公告)号：EP3267180A1

公开(公告)日：2018-01-10

申请号：EP16758947.2

申请日：2016-03-02

申请人： National University Corporation Nagoya University ,  Sekisui Medical Co., Ltd.

发明人： IGUCHI, Tetsuo ,  TOMITA, Hideki ,  NISHIZAWA, Norihiko ,  HIROTSU, Takahiro ,  YURUZUME, Satoshi ,  TERABAYASHI, Ryohei ,  OH-HARA, Toshinari ,  IDENO, Akira ,  SATO, Atsushi

IPC分类号： G01N21/3504 ,  G01N21/01 ,  G02F1/37

CPC分类号： G01J3/0218 ,  G01J1/124 ,  G01J3/0208 ,  G01J3/42 ,  G01N21/01 ,  G01N21/3504 ,  G01N30/88 ,  G01N2030/8868 ,  G01N2201/06113 ,  G01N2201/08 ,  G02F1/3551 ,  G02F1/37 ,  G02F2201/02 ,  G02F2203/56

摘要： A carbon isotope analyzer 1 includes a carbon dioxide isotope generator 40 that includes a combustion unit that generates gas containing carbon dioxide isotope from carbon isotope, and a carbon dioxide isotope purifying unit; a spectrometer 10 including an optical resonator 11 having a pair of mirrors 12, and a photodetector 15 that determines the intensity of light transmitted from the optical resonator 11; and a light generator 20 including a light source 23, a first optical fiber 21 to transmit a light beam from the light source 23, a second optical fiber 22 for wavelength conversion, the second optical fiber 22 splitting from the first optical fiber 21 at a point and combining with the first optical fiber 21 at another point downstream of the splitting point, and a non-linear optical crystal 25 that generates light having the absorption wavelength of the carbon dioxide isotope on the basis of the difference in frequency between light beams transmitted through the optical crystal 25. The carbon isotope analyzer 1 is a simple and convenient apparatus that can analyze isotope 14 C.

摘要翻译： 碳同位素分析仪1包括二氧化碳同位素发生器40和二氧化碳同位素净化单元，二氧化碳同位素发生器40包括产生含有来自碳同位素的二氧化碳同位素的气体的燃烧单元; 光谱仪10，其包括具有一对反射镜12的光学谐振器11和确定从光学谐振器11透射的光的强度的光电检测器15; 以及光发生器20，其包括光源23，传输来自光源23的光束的第一光纤21，用于波长转换的第二光纤22，第二光纤22从第一光纤21分离为 并且在分束点的下游的另一点处与第一光纤21结合，并且非线性光学晶体25基于透射的光束之间的频率差产生具有二氧化碳同位素的吸收波长的光 通过光学晶体25.碳同位素分析仪1是可以分析同位素14C的简单方便的装置。

公开(公告)号：EP3572795A1

公开(公告)日：2019-11-27

申请号：EP18741640.9

申请日：2018-01-19

申请人： Sekisui Medical Co., Ltd. ,  National University Corporation Nagoya University

发明人： IGUCHI, Tetsuo ,  TOMITA, Hideki ,  NISHIZAWA, Norihiko ,  SONNENSCHEIN, Volker ,  TERABAYASHI, Ryohei ,  OHARA, Toshinari ,  IDENO, Akira ,  SATOU, Atsushi ,  HASHIZUME, Kenta

IPC分类号： G01N21/3504 ,  G01N21/03 ,  G01N21/39 ,  H01S5/14

摘要： A carbon isotope analysis device including a carbon dioxide isotope generator provided with a combustion unit that generates gas containing carbon dioxide isotope from carbon isotope, and a carbon dioxide isotope purifying unit; a spectrometer including an optical resonator having a pair of mirrors and a photodetector that determines intensity of light transmitted from the optical resonator; and a light generator including a light source, a splitter that splits light from the light source, a focusing lens that focuses light from the splitter, and a mirror that reflects light from the focusing lens and sends the light back to the light source via the focusing lens and the splitter. A carbon isotope analysis device improved in stability of a light source and a carbon isotope analysis method by use of the analysis device are provided.