Frequency Stabilisation of Transverse Zeeman He-Ne Laser by Means of Model Predictive Control

Xiangqian Jiang, Dejiao Lin, Gaoliang Dai, Chunyong Yin

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A model predictive control (MPC) technique is proposed for the frequency stabilization of transverse Zeeman He-Ne laser. The beat frequency locking method is applied as the criterion of frequency stabilization. When heated by the voltage output of the feedback electronic circuit, the copper wire twisted around the laser tube is applied to maintain the length of the laser cavity and stabilize the frequency of the laser. Four steps for MPC design, i.e., model setup, output prediction, selection of reference path, and calculation of control quality, have been introduced. By this means, a single-chip microprocessor (80C196) generates a pulse width modulation wave that is transferred into a heating signal. The calibration result shows that the frequency stability of our proposed transverse Zeeman laser reaches 5.5× 10-11 by means of the MPC method.

LanguageEnglish
Article number123301
JournalReview of Scientific Instruments
Volume77
Issue number12
DOIs
Publication statusPublished - 1 Dec 2006

Fingerprint

Model predictive control
Stabilization
stabilization
Lasers
lasers
tube lasers
beat frequencies
Frequency stability
pulse duration modulation
frequency stability
Laser resonators
output
microprocessors
quality control
laser cavities
Pulse width modulation
locking
Quality control
Microprocessor chips
chips

Cite this

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abstract = "A model predictive control (MPC) technique is proposed for the frequency stabilization of transverse Zeeman He-Ne laser. The beat frequency locking method is applied as the criterion of frequency stabilization. When heated by the voltage output of the feedback electronic circuit, the copper wire twisted around the laser tube is applied to maintain the length of the laser cavity and stabilize the frequency of the laser. Four steps for MPC design, i.e., model setup, output prediction, selection of reference path, and calculation of control quality, have been introduced. By this means, a single-chip microprocessor (80C196) generates a pulse width modulation wave that is transferred into a heating signal. The calibration result shows that the frequency stability of our proposed transverse Zeeman laser reaches 5.5× 10-11 by means of the MPC method.",
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Frequency Stabilisation of Transverse Zeeman He-Ne Laser by Means of Model Predictive Control. / Jiang, Xiangqian; Lin, Dejiao; Dai, Gaoliang; Yin, Chunyong.

In: Review of Scientific Instruments, Vol. 77, No. 12, 123301, 01.12.2006.

Research output: Contribution to journalArticle

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T1 - Frequency Stabilisation of Transverse Zeeman He-Ne Laser by Means of Model Predictive Control

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