Optical module for atomic oscillator and atomic oscillator
AssigneeSeiko Epson Corporation
InventorTetsuo Nishida
Life of this patent
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Abstract
An optical module for an atomic oscillator using a quantum interference effect includes a light source adapted to emit light including a fundamental wave having a predetermined wavelength, and sideband waves of the fundamental wave, a wavelength selection section receiving the light from the light source, and adapted to transmit the sideband waves out of the light input, a gas cell encapsulating an alkali metal gas, and irradiated with light transmitted through the wavelength selection section, and a light detection section adapted to detect an intensity of light transmitted through the gas cell, and the wavelength selection section includes a fiber Bragg grating, and a voltage application section adapted to apply a voltage to the fiber Bragg grating.
Claims9
An optical module for an atomic oscillator using a quantum interference effect, comprising:
- a light source adapted to emit light including a fundamental wave having a predetermined wavelength, and sideband waves of the fundamental wave;
- a wavelength selection section receiving the light from the light source, and adapted to transmit the sideband waves and reduce the fundamental wave out of the light input;
- a gas cell encapsulating an alkali metal gas, and irradiated with light transmitted through the wavelength selection section;
- and
- a light detection section adapted to detect an intensity of light transmitted through the gas cell,
- wherein the wavelength selection section includes:
- a fiber Bragg grating, and
- a voltage application section adapted to apply a voltage to the fiber Bragg grating.
An atomic oscillator using a quantum interference effect, comprising:
- a light source adapted to emit light including a fundamental wave having a predetermined wavelength, and sideband waves of the fundamental wave;
- a wavelength selection section receiving the light from the light source, and adapted to transmit the sideband waves and reduce the fundamental wave out of the light input;
- a gas cell encapsulating an alkali metal gas, and irradiated with light transmitted through the wavelength selection section;
- and
- a light detection section adapted to detect an intensity of light transmitted through the gas cell,
- wherein the wavelength selection section includes:
- a fiber Bragg grating, and
- a voltage application section adapted to apply a voltage to the fiber Bragg grating.
Dependencies are inferred from the claim text.