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Spectral lamp for rubidium atomic frequency standard

A rubidium atomic frequency standard and spectrum lamp technology, applied in the field of spectrum lamps, can solve problems such as discharge lamps, vacuum overheating, and affecting the performance of the frequency standard machine

Active Publication Date: 2013-10-23
WUHAN INST OF PHYSICS & MATHEMATICS CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The stability of the light emission of the spectrum lamp directly affects the stability of the atomic transition signal, thus affecting the performance of the frequency standard machine
[0003] The traditional rubidium atomic frequency standard has a relatively mature design scheme for spectral lamps, but it is only designed for general atmospheric environments, and problems such as vacuum overheating and low-pressure discharge lamps will occur in spaceborne environments

Method used

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  • Spectral lamp for rubidium atomic frequency standard
  • Spectral lamp for rubidium atomic frequency standard

Examples

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Embodiment 1

[0025] according to figure 1 , figure 2 It can be seen that a spectrum lamp for rubidium atomic frequency standard is composed of sapphire glass sheet 1, lamp cover 2, heating coil 3, transition circuit board 4, rubidium bulb 5, coupling coil 6, temperature sensing element 7, lamp bracket 8, and The axis 9, the shielding box 10 and the radio frequency circuit board 11 constitute. It is characterized in that: the sapphire glass sheet 1 is bonded in the glass sheet bayonet 2a on the top of the lamp cover 2 through silicon rubber, and is the light-through window of the spectrum lamp. The coupling coil 6 is a metal coil tightly wound on the top of the bulb 5, one end of which is welded to the core wire of the coaxial line 9, and the other end is welded to the outer wall of the coaxial line 9. The coaxial line passes through the lamp cap 2 , the transition circuit board 4 , the shielding box 10 and the radio frequency circuit board 11 . The bulb 6 is a glass bulb filled with a ...

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Abstract

The invention discloses a spectral lamp for a rubidium atomic frequency standard. A sapphire glass sheet is adhered into a glass sheet clamping opening in the top of a lamp base cover through silicone rubber. A coupling coil is closely wound on the upper part of a bulb. One end of the coupling coil is welded with a core wire of a coaxial wire, and the other end of the coupling coil is welded with the outer wall of the coaxial wire. The coaxial wire penetrates through the lamp base cover, a transition circuit board, a shielding box and a radio frequency circuit board, and is welded at the ground ends of the transition circuit board and the radio frequency circuit board. The lamp base cover is fixedly arranged on the transition circuit board through screws. Leading wires of a heating coil and a temperature sensing element are welded on the transition circuit board. The lamp base cover is fixedly arranged on the transition circuit board through the screws at the bottom of the lamp base cover. The transition circuit board is fixedly arranged on a lamp bracket through screws. The lamp bracket is fixedly arranged on the shielding box through screws. The radio frequency circuit board is fixedly arranged in the shielding box through screws. The spectral lamp is simple in structure, easy to machine, stable in performance and high in environmental adaptability, and can be directly applied to the rubidium atomic frequency standard.

Description

technical field [0001] The invention relates to the field of a spectrum lamp, and more specifically relates to a spectrum lamp for rubidium atomic frequency standards, which can be directly used in rubidium atomic frequency standards used in various strict environments (such as spaceborne environments). technical background [0002] Rubidium atomic frequency standards are widely used due to their small size, low power consumption, and good stability, especially in the fields of satellite positioning and navigation. It is mainly composed of two parts: physical system and circuit. The former provides a reference frequency as a frequency discriminator, and the latter is equivalent to a frequency locked loop to lock the output frequency of the voltage-controlled crystal oscillator to the reference frequency of the physical system. The physical system can be roughly divided into two parts: spectral lamp and cavity bubble system. After the light emitted by the spectrum lamp is f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S2/00F21V17/12F21V17/00F21V23/00F21V29/00H03L7/26F21V29/90
Inventor 赵峰王芳安绍锋梅刚华
Owner WUHAN INST OF PHYSICS & MATHEMATICS CHINESE ACADEMY OF SCI
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