激光技术, 2018, 42 (1): 108, 网络出版: 2018-02-01  

双体光栅外腔二极管激光器光谱特性研究

Study on spectral characteristics of external cavity diode lasers based on dual volume Bragg gratings
作者单位
1 中国卫星海上测控部, 江阴 214431
2 南京先进激光技术研究院, 南京 210038
摘要
为了研究双体布喇格光栅外腔二极管激光器的衍射特性, 采用一块体布喇格光栅与一块横向啁啾体布喇格光栅组成双体布喇格光栅, 理论分析了组合前后体布喇格光栅的衍射特性, 实验研究了双体布喇格光栅外腔二极管激光器的输出光谱特性。结果表明, 在双体布喇格光栅外腔反馈的作用下, 可以实现双波长同时输出, 通过横向移动横向啁啾体布喇格光栅, 可以在保持其中一个中心波长不变的情况下, 使另外的一个波长在800nm~815nm的范围内线性调谐。此研究为基于双体布喇格光栅实现双波长输出的大功率二极管激光器提供了实验指导。
Abstract
In order to study diffraction characteristics of an external cavity diode laser based on dual volume Bragg gratings, a Bragg grating and a transversely chirped Bragg grating were used to compose the dual volume Bragg gratings. The diffraction characteristics of the volume Bragg gratings before and after the combination were analyzed theoretically. The output spectral characteristics of the external cavity diode laser based on dual volume Bragg gratings were studied. The experimental results show that, under the action of the external cavity feedback of the dual volume Bragg gratings, the dual wavelengths can be output simultaneously. By moving the transversely chirped Bragg grating in the lateral direction, it is possible to keep the other one wavelength tuning linearly in the range of 800nm~815nm. This study provides experimental guidance for high-power diode lasers based on dual volume Bragg gratings for dual wavelength output.

王军阵, 朱忠, 于新峰, 周军. 双体光栅外腔二极管激光器光谱特性研究[J]. 激光技术, 2018, 42(1): 108. WANG Junzhen, ZHU Zhong, YU Xinfeng, ZHOU Jun. Study on spectral characteristics of external cavity diode lasers based on dual volume Bragg gratings[J]. Laser Technology, 2018, 42(1): 108.

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