Real-time characterization of FM-AM modulation in a high-power laser facility using an RF-photonics system and a denoising algorithm

CORC > 上海光学精密机械研究所 > 中国科学院上海光学精密机械研究所 > 高功率激光物理国家实验室

	Real-time characterization of FM-AM modulation in a high-power laser facility using an RF-photonics system and a denoising algorithm
	Jiang, Youen; Fan, Wei; Qiao, Zhi; Wang, Xiaochao; Lu, Xinghua; Huang, Canhong
刊名	Appl. Optics
	2017
卷号	56 期号:6 页码:1610
通讯作者	fanweil@siom.ac.cn
英文摘要	FM-AM modulation of high-power lasers significantly affects laser performance. Therefore, precise measurement of the FM-AM modulation depth is necessary. The subsequent FM-AM modulation generated by group velocity dispersion when the laser pulse propagates through a fiber affects the measurement accuracy. In order to eliminate this effect, a waveform-acquisition module is proposed that converts a broad-spectrum pulse of 1053 nm to a narrow-spectrum pulse of 1550 nm, without affecting the waveform. In addition, a signal-processing algorithm based on the orthogonal matching pursuit method is implemented to remove the sampling noise from the wave-form. In this way, the signal-to-noise ratio of the measurement can be readily improved. Both theoretical and experimental results indicate that the proposed FM-AM modulation detection system is effective and economical. It can measure the FM-AM modulation depth precisely, and therefore shows considerable promise for future applications in high-power lasers. (C) 2017 Optical Society of America
收录类别	SCI
WOS记录号	WOS:000394341600007
内容类型	期刊论文
源URL	[http://ir.siom.ac.cn/handle/181231/27898]
专题	上海光学精密机械研究所_高功率激光物理国家实验室
作者单位	中国科学院上海光学精密机械研究所
推荐引用方式 GB/T 7714	Jiang, Youen,Fan, Wei,Qiao, Zhi,et al. Real-time characterization of FM-AM modulation in a high-power laser facility using an RF-photonics system and a denoising algorithm[J]. Appl. Optics,2017,56(6):1610.
APA	Jiang, Youen,Fan, Wei,Qiao, Zhi,Wang, Xiaochao,Lu, Xinghua,&Huang, Canhong.(2017).Real-time characterization of FM-AM modulation in a high-power laser facility using an RF-photonics system and a denoising algorithm.Appl. Optics,56(6),1610.
MLA	Jiang, Youen,et al."Real-time characterization of FM-AM modulation in a high-power laser facility using an RF-photonics system and a denoising algorithm".Appl. Optics 56.6(2017):1610.