Quantum interference device, atomic oscillator, electronic apparatus, and moving object
An atomic oscillator includes: a base; a unit portion including a gas cell, in which alkali metal atoms are filled, and a heater that heats the gas cell; and a wiring line that electrically connects the base and the unit portion to each other and includes a portion having a cross-sectional area of 60 μm 2 or more and 100 μm 2 or less.
1. A quantum interference device, comprising:
a base portion;
a unit portion including a gas cell, in which metal atoms are filled, and a temperature adjusting portion that adjusts a temperature of the gas cell; and
a wiring line that electrically connects the base portion and the unit portion to each other and includes a portion having a cross-sectional area of 60 μm 2 or more and 100 μm 2 or less; and
a reflecting portion that is disposed on a surface of the wiring line, the reflecting portion at least being provided on the wiring line at a location the overlaps the unit portion in plan view.
2. The quantum interference device according to claim 1 ,
wherein the wiring line is supported by an insulating film.
3. The quantum interference device according to claim 1 , wherein the reflecting portion has a reflectance with respect to an electromagnetic wave having a wavelength of 4 μm that is 50% or more.
4. The quantum interference device according to claim 1 ,
wherein the wiring line contains platinum.
5. The quantum interference device according to claim 1 ,
wherein the wiring line contains copper.
6. The quantum interference device according to claim 1 ,
wherein a cross-sectional shape of the wiring line is a rectangle, and a length of the wiring line in a short side direction is within a range of 0.5 μm or more and 5 μm or less.
7. The quantum interference device according to claim 1 ,
wherein the wiring line includes a plurality of wirings including a liner wiring and a meandering wiring, the linear wiring configured to conduct a current having a high frequency.
8. An atomic oscillator, comprising:
the quantum interference device according to claim 1 .
9. An electronic apparatus, comprising:
the quantum interference device according to claim 1 .
10. A moving object, comprising:
the quantum interference device according to claim 1 .