| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic measuring device capable of being stably manufactured and of performing highly accurate measurement, and further to provide a gas cell, a manufacturing method of the magnetic measuring device and a manufacturing method of the gas cell.SOLUTION: A magnetic measuring device 100 measuring a magnetic field includes a gas cell 10 comprising: a cell section 12 having a main chamber 14, a reservoir 16, a communication hole 15 causing the main chamber 14 and the reservoir 16 to communicate with each other and an opening portion 18 provided to the reservoir 16; a sealing section 19 sealing the opening portion 18; an ampule 20 disposed to the reservoir 16; and alkali metal gas 13 filled into the main chamber 14 and the reservoir 16. The ampule 20 is disposed at a predetermined position in the reservoir 16, and the opening portion 18 is provided at a position separated from the predetermined position.SELECTED DRAWING: Figure 2 |
