Working-Mode Expansion of Active-Trigger Bleached Nd:YAG/Cr⁴⁺:YAG Passive Q-Switched Lasers

IF 2.3 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Photonics Technology Letters Pub Date : 2024-11-15 DOI:10.1109/LPT.2024.3499736

Qian Guo;A-Long Peng;Jin-Zhe Liu;Shi-Yu Wang;Zhe-Yuan Li;Pei-Jin Shang;Yuan Lu

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引用次数: 0

Abstract

This study proposed a working mode incorporating the light control module parameters into the initial design of active-trigger bleached Nd:YAG/Cr

$^{\mathbf {4+}}$

: YAG passive Q-switched lasers to extend their functionality. The proposed mode, named Type I mode, generates a pulse with a pumping power lower than the passive mode threshold, while the traditional setup is referred as Type II mode. The universality and implementation of the two working modes are verified experimentally, and the pulse characteristics are determined. The results demonstrate that Type I mode has high performance and low jitter pulses, similar to the Type II mode. Furthermore, Type I mode outperforms the passive mode and can reach the low-frequency region, unlike the Type II mode, which has no frequency lower bound and can be triggered manually. These advantages and the low power consumption make laser devices working in the Type I mode a high-quality light source for remote sensing and long-range communication, especially for space applications.

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来源期刊

IEEE Photonics Technology Letters 工程技术-工程：电子与电气

CiteScore

5.00

自引率

3.80%

发文量

404

审稿时长

2.0 months

期刊介绍： IEEE Photonics Technology Letters addresses all aspects of the IEEE Photonics Society Constitutional Field of Interest with emphasis on photonic/lightwave components and applications, laser physics and systems and laser/electro-optics technology. Examples of subject areas for the above areas of concentration are integrated optic and optoelectronic devices, high-power laser arrays (e.g. diode, CO2), free electron lasers, solid, state lasers, laser materials'' interactions and femtosecond laser techniques. The letters journal publishes engineering, applied physics and physics oriented papers. Emphasis is on rapid publication of timely manuscripts. A goal is to provide a focal point of quality engineering-oriented papers in the electro-optics field not found in other rapid-publication journals.