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Author:

王智勇 (王智勇.) (Scholars:王智勇) | 代京京 (代京京.) | 李尉 (李尉.) | 兰天 (兰天.)

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incoPat

Abstract:

本发明公开了一种带相位补偿层的VCSEL结构及制备方法,该激光器将周期分布的激光器产生的光场,经Talbot外腔和相位补偿单元,对同相模和反相模进行相位补偿,得到同相位输出的激光束。在二维二极管激光阵列的发光面设有Talbot激光外腔,Talbot激光外腔的输出端设有相位补偿膜;Talbot激光外腔的厚度d为:式中,ZT为Talbot距离,N为正整数;相位补偿膜相对应Talbot激光外腔输出端同相模的位置处设有沟槽结构。本发明通过相位补偿膜的沟槽结构使相对相位增加π/4,最终相位与二维二极管激光阵列中初始相位为0的二极管激光器输出相位相同。本发明能够对反相模进行相位补偿,得到同相位输出光束,且工艺过程简单,易于制作。

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Patent Info :

Type: 发明申请

Patent No.: CN202011196037.8

Filing Date: 2020-10-30

Publication Date: 2021-02-02

Pub. No.: CN112310804A

Applicants: 北京工业大学

Legal Status: 驳回

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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