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The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
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设计一个实时频率稳定系统,用于EAST上的双激光干扰仪

Y Wang1, Y Yao2, H Q Liu2,3

  • 1University of Science and Technology of China, Hefei 230026, People's Republic of China.

The Review of scientific instruments
|July 22, 2024
PubMed
概括

远红外极相仪/干扰仪 (POINT) 在东东托卡马克的中间频率 (IF) 的不稳定性得到稳定. 数字控制系统精确调节激光频率,确保精确的电子密度测量.

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Electronic Distance Measuring Instruments01:30

Electronic Distance Measuring Instruments

Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short distances...