Efficient generation of 1.9 W yellow light by cascaded frequency doubling of a distributed Bragg reflector tapered diode

被引：23
作者：
Hansen, A. K. [1 ,2 ]
Christensen, M. [1 ,2 ]
Noordegraaf, D. [1 ]
Heist, P. [3 ]
Papastathopoulos, E. [3 ]
Loyo-Maldonado, V. [3 ]
Jensen, O. B. [2 ]
Skovgaard, P. M. W. [1 ]
机构：
[1] Norlase ApS, Riso Campus,Frederiksborgvej 399, DK-4000 Roskilde, Denmark
[2] Tech Univ Denmark, Dept Photon Engn, DK-4000 Roskilde, Denmark
[3] JENOPTIK Laser GmbH, JENOPTIK Healthcare & Ind, Goschwitzer Str 29, D-07745 Jena, Germany
来源：
APPLIED OPTICS | 2016年 / 55卷 / 32期
关键词：
WAVE-GUIDE CRYSTAL; 2ND-HARMONIC GENERATION; NARROW-LINEWIDTH; FLOW-CYTOMETRY; 488; NM; LASER; POWER; GREEN; OSCILLATOR; MICROSCOPY;
D O I：
10.1364/AO.55.009270
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Watt-level yellow emitting lasers are interesting for medical applications, due to their high hemoglobin absorption, and for efficient detection of certain fluorophores. In this paper, we demonstrate a compact and robust diode-based laser system in the yellow spectral range. The system generates 1.9 W of single-frequency light at 562.4 nm by cascaded single-pass frequency doubling of the 1124.8 nm emission from a distributed Bragg reflector (DBR) tapered laser diode. The absence of a free-space cavity makes the system stable over a base-plate temperature range of 30 K. At the same time, the use of a laser diode enables the modulation of the pump wavelength by controlling the drive current. This is utilized to achieve a power modulation depth above 90% for the second harmonic light, with a rise time below 40 mu s. (C) 2016 Optical Society of America
引用
收藏
页码：9270 / 9274
页数：5
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