Tunable mid-infrared coherent source for lidar: CWOPO

被引：2

作者：

Bai, YX ^{[1
]}

Yu, JR ^{[1
]}

Barnes, NP ^{[1
]}

Lee, HR ^{[1
]}

Petros, M ^{[1
]}

Chen, SS ^{[1
]}

机构：

[1] Sci Applicat Int Corp, Hampton, VA 23666 USA

来源：

LIDAR REMOTE SENSING FOR ENVIRONMENTAL MONITORING IV | 2003年 / 5154卷

关键词：

nonlinear optics; continuous-wave singly resonant OPO;

D O I：

10.1117/12.509373

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A tunable continuous-wave (CW) intracavity pumped periodically poled lithium niobate (PPLN) optical parametric oscillator (OPO) has been developed where a diode-pumped ring-cavity Nd:YAG laser is used as the pumping source. The idler tunable range from 2.3 mum to 3.9 mum with linewidth less than 15 MHz has been demonstrated. The slop efficiency of the idler output versus the diode pump power is similar to 5.6 %. The idler output power at 3.4 mum reaches 370 mW when the diode output power is 21.5 W. The PPLN OPO will be applied to seed ZnGeP2 OPO pumped by a Tm:Ho:YLF laser (lambda=2.05 mum). The ZnGeP2 OPO can be tuned between 3-10.5 mum. Combined PPLN OPO and ZnGeP2 OPO, the tunable range covers the strong absorption lines of most atmospheric pollutants, and overlaps the mid-infrared atmospheric windows of 3.4-5 mum and 8-13 mum. The mid-infrared emission source is a potential lidar transmitter for remote sensing applications.

引用

页码：46 / 51

页数：6

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