Continuously tunable singlemode VECSEL at 3.3 μm wavelength for spectroscopy

被引:13
作者
Rahim, M. [1 ]
Khiar, A. [1 ]
Fill, M. [1 ,2 ]
Felder, F. [1 ,2 ]
Zogg, H. [1 ]
机构
[1] ETH, Thin Film Phys Grp, CH-8005 Zurich, Switzerland
[2] Phocone AG, Zurich, Switzerland
关键词
LASERS;
D O I
10.1049/el.2011.2201
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A singlemode tunable vertical external cavity surface emitting laser (VECSEL) has been realised. The VECSEL can be tuned continuously over more than 80 nm from similar to 3.22 to 3.3 mu m wavelength. Tuning is performed by changing the cavity length with a piezoelectric driver. Covering this wavelength range allows various potential applications, especially for gas spectroscopy of organic compounds. The VECSEL is optically pumped, and emits a maximum output power of 20 mW(p) when cooled with a Peltier element to -20 degrees C. The active medium consist of PbSe quantum wells embedded in Pb(1-x)Sr(x)Se (x = 0.08) barrier layers and is grown on a Si-substrate.
引用
收藏
页码:1037 / U1576
页数:2
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