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.

引用

页数：8

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