Characteristics of multi-beam module using waveguides for laser scanning optical systems

被引：2
|
作者：
Hamada, A
Nishida, N
Hatano, T
Mino, M
机构：
[1] Tokushima Bunri Univ, Grad Sch Engn, Kagawa 7692193, Japan
[2] Konica Minolta Opto Inc, Opt Engn Ctr, Itami, Hyogo 6648511, Japan
[3] Konica Minolta Tech Ctr Inc, Device Technol R&D Lab, Takatsuki, Osaka 5698503, Japan
来源：
OPTICAL REVIEW | 2003年 / 10卷 / 06期
关键词：
laser printer; multiple beams; scanning optics; waveguides; electrical/optical characteristics;
D O I：
10.1007/s10043-003-0544-3
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A multi-beam module using optical waveguides has been studied for a laser scanning optical system. Laser diodes with a wavelength of 780 nm are assembled on a silicon substrate. The beams emitted from the laser diodes are directly coupled into waveguides. This multi-beam module is assembled on a metal substrate with a photodiode. The photodiode controls the power of each laser diode on the silicon substrate. The multi-beam module is able to increase the output speed of high-density image printings, and the speed for high-speed color printings. We have developed the four-beam module with beam divergence angles of 11 degrees and spatial beam interval of 24 mum. Additional heat sink and optimizing tip-bonding between the laser diode and solder pad on the silicon substrate is useful to stabilize laser power against rising temperature.
引用
收藏
页码：544 / 548
页数：5
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