Ultra-Fine Pitch Individually Addressable Visible Laser Arrays for High Speed Digital Printing Applications

被引：0
|
作者：
Kowalski, O. P. [1 ]
McDougall, S. D. [1 ]
Qiu, B. C. [1 ]
Masterton, G. H. [1 ]
Armstrong, M. L. [1 ]
Robertson, S. [1 ]
Caldecott, S. [1 ]
Marsh, J. H. [1 ]
机构：
[1] Intense Ltd, Glasgow G72 0BN, Lanark, Scotland
来源：
NOVEL IN-PLANE SEMICONDUCTOR LASERS VIII | 2009年 / 7230卷
关键词：
D O I：
10.1117/12.809088
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An individually addressable visible semiconductor laser diode array with a 20 mu m pitch is demonstrated that is highly suited for deployment in next-generation digital print systems. The array, operating at 660 nm, comprises 22 single mode lasers fabricated on a single GaInP/AlGaInP/GaAs substrate. The laser array is flip-chip bonded onto a patterned ceramic submount that enables the individual elements to be driven independently and is integrated into a 26-pin butterfly package. Arrays tested CW exhibit low threshold current (<20 mA per emitter), up to 50 mW output power per channel with a high slope efficiency (0.9 W/A) and a high characteristic temperature of over 100 K.
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页数：8
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