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首页> 外文会议>Laser applications in microelectronic and optoelectronic manufacturing (LAMOM) XVI >A Study on 8 Beam Laser Diode To Adopt Laser Scanning Unit
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A Study on 8 Beam Laser Diode To Adopt Laser Scanning Unit

机译：8光束激光二极管采用激光扫描单元的研究

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摘要

In this paper, next generation 780nm monolithic individually addressable 8 beam diode laser with lOmW optical power for laser scanning unit were developed. Beam to beam spacing is 30μm and air bridge interconnection process was developed for individual operations. Measured average values of threshold current(Ith), operating current(Iop), operating voltage(Vop), slope efficiency(SE), horizontal beam divergence(FFH), vertical beam divergence(FFV), and peak wavelength(λ) from 5 specimens are 14.91mA, 28.79mA, 1.91V, 0.72mW/mA, 8.28°, 31.89°, and 785.67nm respectively. Major electro-optic parameters from 8 emitters are within 3% variation for each device. Also we measured power droop that had a strong influence on printing image at 600Hz with duty 10% and 90% and we can obtained drooprnrate within 2% in each channel at room temperature and l0mW power. From 500Hr reliability life test result at 70°C,rnwe obtained lop variation within 1% in each channel with l0mw power.rnFrom the experimental measurement results, we can assure that the developed 8 beam diode laser is suitable optical source for high speed laser scanning unit in multi-function printing system and laser beam printers.
机译：在本文中，开发了具有10mW光功率的下一代780nm单片可单独寻址8光束二极管激光器，用于激光扫描单元。梁到梁的间距为30μm，并且为个别操作开发了气桥互连工艺。从5开始测量的阈值电流（Ith），工作电流（Iop），工作电压（Vop），斜率效率（SE），水平光束发散（FFH），垂直光束发散（FFV）和峰值波长（λ）的平均值标本分别为14.91mA，28.79mA，1.91V，0.72mW / mA，8.28°，31.89°和785.67nm。每个设备的8个发射器的主要电光参数变化在3％以内。我们还测量了功率下垂，该功率下垂对600Hz的打印图像有很强的影响，占空比为10％和90％，在室温和10mW功率下，每个通道的下垂率都在2％以内。从70°C下500Hr的可靠性寿命测试结果来看，功率为10mw时，每个通道的垂率变化在1％以内.rn从实验测量结果中，我们可以确保开发的8光束二极管激光器是适用于高速激光扫描的光源多功能打印系统和激光打印机中的单元。

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