GREENHOUSE EFFECT GAS MEASURING INSTRUMENT

摘要

PROBLEM TO BE SOLVED: To provide a greenhouse effect gas measuring instrument receiving no effect of environment and having high-order measuring precision.

SOLUTION: In the greenhous effect gas measuring instrument 1 equipped with a light condensing part 4 for condensing light and a detection part 5 for transmitting the light from the light condensing part 4 through a Fabry-Perot etalon to detect the same, the Fabry-Perot etalon is constituted of a fiber type Fabry-Perot etalon 13. The fiber type Fabry-Perot etalon 13 is formed into a columnar body and light connector plugs 12 are respectively brought into contact with both axial ends of the columnar body 13, and a sleeve 14 is fitted to the outer peripheral sides of both of the light connector plugs 12 and the columnar body 13 and fixed to a temperature regulating mechanism 15 to constitute a fiber type Fabry-Perot etalon package 9.

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