Experimental research on acousto-optic deflection rapid tuning pulsed CO2 lasers

doi:10.3788/CO.20191202.0355

CORC > 长春光学精密机械与物理研究所 > 中国科学院长春光学精密机械与物理研究所

	Experimental research on acousto-optic deflection rapid tuning pulsed CO2 lasers
	Q.-K.Pan; H.-H.Yu; F.Chen; J.-J.Xie; Y.He; D.-Y.Yu; K.Zhang
刊名	Chinese Optics
	2019
卷号	12 期号:2 页码:355-361
关键词	Pulsed lasers,Carbon dioxide,Carbon dioxide lasers,Light modulators,Optical signal processing
ISSN号	20951531
DOI	10.3788/CO.20191202.0355
英文摘要	A rapid tuning pulsed CO2 laser is presented using a blazed grating system and a pair of acousto-optic modulators. Firstly, the characteristics of acousto-optic modulators were studied through experimentation. The results showed that the deflection angle of the acousto-optic modulator was approximately 4.4, which was in agreement with the calculations of the Bragg equation. When a single laser passed the acousto-optic modulator, the shift in frequency was approximately 40.68 MHz, which was in agreement with the acousto-optic driving frequency. In addition, when multiple lasers passed through the acousto-optic modulator, the shift in frequency was compounded. Based on the acousto-optic modulator results, experimental research was performed on rapid tuning pulsed CO2 lasers. In order to offset the shift in acousto-optic frequency, two acousto-optic modulators were placed symmetrically in the deflected optical beam, and a laser output was obtained. Using a blazed grating, a full band tunable output laser was obtained in the linear optical beam. Finally, under sequential control of double acousto-optic modulators, a double wavelength laser with rapid tuning output and a common optical axis was obtained. The tuning time of the pulsed laser was approximately 1 ms, which pulsed at a width of less than 300 ns. The tuning speed of the pulsed laser was independent of the transition band of the CO2 laser. 2019, China Science Publishing & Media LTD. All right reserved.
URL标识	查看原文
内容类型	期刊论文
源URL	[http://ir.ciomp.ac.cn/handle/181722/63122]
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Q.-K.Pan,H.-H.Yu,F.Chen,et al. Experimental research on acousto-optic deflection rapid tuning pulsed CO2 lasers[J]. Chinese Optics,2019,12(2):355-361.
APA	Q.-K.Pan.,H.-H.Yu.,F.Chen.,J.-J.Xie.,Y.He.,...&K.Zhang.(2019).Experimental research on acousto-optic deflection rapid tuning pulsed CO2 lasers.Chinese Optics,12(2),355-361.
MLA	Q.-K.Pan,et al."Experimental research on acousto-optic deflection rapid tuning pulsed CO2 lasers".Chinese Optics 12.2(2019):355-361.