JP2009130082A5 - - Google Patents

Claims (11)

An optical system of an atomic oscillator using the quantum interference effect by resonant light,
A gas cell in which gaseous metal atoms are enclosed;
A light source that emits the resonance light to the gas cell ;
Light guiding means for guiding the light that has passed through the gas cell to the gas cell again as folded light; and
Light detection means for detecting the folded light guided by the light guide means and passed through the gas cell;
A heating means arranged at least on one side of the resonance direction of the gas cell to heat the gas cell to a predetermined temperature;
A translucent part provided in at least a part of the heating means;
With
An optical system of an atomic oscillator, wherein an optical axis of light emitted from the light source and an optical axis of the folded light are parallel to each other.   The optical system of the atomic oscillator according to claim 1, wherein the translucent portion is formed of a transparent conductive film.   The optical system for an atomic oscillator according to claim 1, wherein the translucent part is configured by an opening or a transparent part provided in the heating unit. 2. The optical system of an atomic oscillator according to claim 1, wherein the light detection means and the light source are juxtaposed on the same side with respect to the gas cell . The atomic oscillator according to any one of claims 1 to 4, wherein the gas cell, the heating unit, and the light guiding unit are configured as individual modules, and the modules are sequentially stacked. Optical system.   6. The atomic oscillator optical system according to claim 5, wherein a combination of the heating unit module and the gas cell module is a basic unit, and the basic units are sequentially stacked.   The optical system for an atomic oscillator according to any one of claims 1 to 6, wherein the light guide means is constituted by a reflecting member. 2. The optical system of an atomic oscillator according to claim 1, wherein the resonance light is laser light.   2. The optical system of an atomic oscillator according to claim 1, wherein the gaseous metal atom is rubidium or cesium. The passive optical element which condenses the light emitted from the light source and corrects it to parallel light is disposed between the light source and the gas cell. The optical system of the atomic oscillator.   An atomic oscillator comprising the optical system according to any one of claims 1 to 10.