QUANTUM INTERFERENCE DEVICE, ATOMIC OSCILLATOR, ELECTRONIC EQUIPMENT AND MOBILE BODY

• Main Author: MAKI YOSHIYUKI
• Format: Patent
• Language: English; Japanese
• Published: 23.05.2016
• Subjects: AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES; BASIC ELECTRIC ELEMENTS; BASIC ELECTRONIC CIRCUITRY; DEVICES USING STIMULATED EMISSION; ELECTRICITY; HOROLOGY; PHYSICS; TIME-INTERVAL MEASURING

PROBLEM TO BE SOLVED: To provide a quantum interference device, an atomic oscillator, electronic equipment and a mobile body, in which frequency stability can be improved.SOLUTION: An atomic oscillator 1 of the present invention includes: an atomic cell 31 that encapsulates alkali metal atoms; a light source unit 21 that accepts supply of a bias and emits light LL including a pair of resonance beams to resonate the alkali metal atoms; a temperature adjustment element 22 that adjusts a temperature of the light source unit 21; a bias detection unit 64 that detects information relating to the bias; and a light source temperature control unit 65 that controls the temperature adjustment element 22 by using information detected by the bias detection unit 64.SELECTED DRAWING: Figure 1 【課題】周波数安定度を向上させることができる量子干渉装置、原子発振器、電子機器および移動体を提供すること。【解決手段】本発明の原子発振器１は、アルカリ金属原子が封入されている原子セル３１と、バイアスが供給され、アルカリ金属原子を共鳴させるための共鳴光対を含む光ＬＬを出射する光源部２１と、光源部２１を温度調節する温度調節素子２２と、バイアスに関する情報を検出するバイアス検出部６４と、バイアス検出部６４で検出した情報を用いて温度調節素子２２を制御する光源温度制御部６５と、を備える。【選択図】図１