用于激光二极管封装的新型准直透镜系统

Proceedings of IEEE 43rd Electronic Components and Technology Conference (ECTC '93) Pub Date : 1993-06-01 DOI:10.1109/ECTC.1993.346692

Y. Yagiu, T. Kumazawa, M. Shimaoka

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引用次数: 2

摘要

讨论了一种新型光通信用激光二极管封装准直透镜系统的设计。该准直透镜系统实现了激光芯片与透镜之间有足够的空间，且光束直径小于隔离器的有效直径。这个系统由两个透镜组成。对于由激光二极管与透镜系统错位引起的光束角偏差，光束直径与光束角偏差比的关系与传统透镜系统相同。结果表明，光束直径越小，光束角偏差比越小。该结果对激光二极管封装的设计具有指导意义。

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New collimating lens systems for laser diode package

The design of a new collimating lens system for a laser diode package for optical communication is discussed. This collimating lens system achieves enough space between the laser chip and the lens, with the beam diameter smaller than the effective diameter of the isolator. This system consists of two lenses. For beam angle deviations caused by misalignments of the laser diode and the lens system, the relationships between the beam diameter and the beam angle deviation ratios are the same as those of the conventional lens system. It is demonstrated that making the beam diameter small decreases the beam angle deviation ratios. This result is useful for designing a laser diode package.<>

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Proceedings of IEEE 43rd Electronic Components and Technology Conference (ECTC '93)

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