On the beam radiance of mid-infrared quantum cascade lasers-A review

被引：5

作者：

Mroziewicz, B. ^{[1
]}

Pruszynska-Karbownik, E. ^{[1
]}

机构：

[1] Inst Electr Mat Technol, 32-46 Lotnikow Ave, PL-02668 Warsaw, Poland

来源：

OPTO-ELECTRONICS REVIEW | 2019年 / 27卷 / 02期

关键词：

Quantum cascade lasers; Laser arrays; Output power; Beam quality factors; Beam; Radiance; Brightness; OSCILLATOR POWER-AMPLIFIER; CONTINUOUS-WAVE OPERATION; DISTRIBUTED-FEEDBACK; SINGLE-MODE; PERFORMANCE; BRIGHTNESS; EMISSION; ARRAYS;

D O I：

10.1016/j.opelre.2019.05.001

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：

Lasers emitting mid-infrared (MIR) beams have become indispensable for spectroscopy, free space communication or remote security measures. To the one of the most promising families of the lasers suitable for these applications certainly belongs a group of the Quantum Cascade Lasers (QCL). However, among the conditions they must satisfy there is a high enough radiance of the beam they emit. Radiance depends in a complicated way on the laser output power and optical quality of the laser beam. This paper has been devoted to a description and a short analysis of the factors that decide about radiance of so far developed QCLs. Literature concerning both single devices and QCL arrays operating in beam combining systems have been examined and results described. The survey may be useful for estimation of how far the QCLs have come of age. (C) 2019 Association of Polish Electrical Engineers (SEP). Published by Elsevier B.V. All rights reserved.

引用

页码：161 / 173

页数：13

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