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Fast switch device for magnetic optical trap magnetic field in cold atom interference type gravity meter

An interferometric, gravimeter technology, applied in the field of switches, can solve the problems of poor stability, long delay time of turn-off technology, and high production cost, and achieve the effects of good circuit stability, low power consumption, and low production cost.

Active Publication Date: 2016-11-23
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing shutdown technology has long delay time, high production cost and poor stability

Method used

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  • Fast switch device for magnetic optical trap magnetic field in cold atom interference type gravity meter
  • Fast switch device for magnetic optical trap magnetic field in cold atom interference type gravity meter

Examples

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Embodiment Construction

[0012] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.

[0013] see figure 1 and figure 2 , the present invention is used for the fast switching device of the magneto-optical trap magnetic field in the cold atom interferometric gravimeter, including the TTL signal input circuit unit 1, the photoelectric coupling circuit unit 2, the MOSFET switch circuit unit 3 and the magnetic field response circuit unit 4 connected in sequence .

[0014] The TTL signal input circuit unit 1 is composed of a terminal P1 and a current limiting resistor R1, wherein: the No. 1 pin of the terminal P1 is connected to the negative end of the TTL signal, and the No. 2 pin of P1 is connected to the positive end of the TTL signal Connection, the first end of the current limiting resistor is connected to the No. 2 pin of terminal P1;

[0015] The photocoupler circuit unit 2 is composed of a photocoupler U1, a bypass capaci...

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PUM

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Abstract

The invention provides a fast switch device for a magnetic optical trap magnetic field in a cold atom interference type gravity meter. The device comprises a TTL (transistor transistor logic) signal input circuit unit 1, a photocoupling circuit unit 2, an MOSFET (metal-oxide-semiconductor field-effect transistor) switch circuit unit 3 and a magnetic field response circuit unit 4 in sequential connection. The fast switch device has the advantages that the fast and effective shutoff on the magnetic optical trap magnetic field of the cold atom interference type gravity meter is realized; the fast and effective shutoff can be realized through setting relative parameters according to different types of magnetic optical traps. The fast switch device has the advantages that the circuit structure is simple; the circuit stability is high; the power consumption is low; the manufacturing cost is low, and the like.

Description

technical field [0001] The invention relates to the field of switch technology, in particular to the switch of the magnetic field in a magneto-optical trap. technical background [0002] The switch applied to the magneto-optical trap magnetic field of cold atom interference gravimeter generally requires short turn-off delay time, fast response speed and good stability. The existing turn-off technology has long delay time, high manufacturing cost and poor stability. SUMMARY OF THE INVENTION [0003] The present invention overcomes the above-mentioned shortcomings of the prior art, and provides a magneto-optical trap magnetic field switching device with simple structure, short delay time and good stability. [0004] The fast switching device for magneto-optical trap magnetic field in cold atom interferometric gravimeter of the present invention includes TTL signal input circuit unit 1 , photoelectric coupling circuit unit 2 , MOSFET switch circuit unit 3 and magnetic field ...

Claims

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Application Information

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IPC IPC(8): H03K17/56H03K17/94H03K17/968
CPCH03K17/56H03K17/94H03K17/968Y02E30/10
Inventor 翁堪兴吴彬程冰周寅林强
Owner ZHEJIANG UNIV OF TECH
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