Experimental studies of a lidar emitter built according to the oscillator-amplifier scheme

IF 0.2 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Visnyk NTUU KPI Seriia-Radiotekhnika Radioaparatobuduvannia Pub Date : 2023-03-28 DOI:10.30837/rt.2023.1.212.11
A.I. Tsopa, A.A. Zarudny
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Abstract

The results of experimental studies of the energy characteristics of the leader transmitter built according to the lamp-pumped organic-dye oscillator-amplifier scheme are presented. When constructing the lidar emitter according to the oscillator-amplifier scheme under conditions of constant pump density, the problem arises of choosing the ratio between the length of the active element of the generator and the length of the active medium of the traveling wave amplifier, which ensures the maximum efficiency of the entire emitter. The main objective of the work was experimental verification of the results of theoretical studies in order to determine the factors influencing the choice of the ratio of the lengths of the active elements of the generator and amplifier based on the organic dye rhodamine 6G with lamp pumping with their limited total length. The results of the experiments confirm the theoretical conclusions that there are optimal ratios of the lengths of the generator and amplifier, at which the radiation energy is maximum. The limiting length of the amplifier and the energy of the emitter, built according to the scheme, the oscillator-amplifier are limited due to an increase in the intensity of the radiation that is amplified along the active element, as well as an increase in the intensity of the amplified noise.
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基于振荡-放大方案的激光雷达发射极实验研究
给出了基于灯泵浦有机染料振荡放大器方案的先导发射机能量特性的实验研究结果。在恒定泵浦密度条件下,采用振荡-放大方案构建激光雷达发射器时,需要选择发生器的有源元件长度与行波放大器的有源介质长度的比例,以保证整个发射器的最大效率。本工作的主要目的是对理论研究结果进行实验验证,以确定影响总长度有限的有机染料罗丹明6G灯抽汲发生器和放大器有源元件长度比选择的因素。实验结果证实了理论结论,即存在最佳的发生器和放大器长度比,在该比下辐射能量最大。放大器的极限长度和发射器的能量,根据该方案,由于沿有源元件被放大的辐射强度的增加,以及被放大的噪声强度的增加,振荡放大器受到限制。
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Visnyk NTUU KPI Seriia-Radiotekhnika Radioaparatobuduvannia
Visnyk NTUU KPI Seriia-Radiotekhnika Radioaparatobuduvannia ENGINEERING, ELECTRICAL & ELECTRONIC-
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