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AUTOMATED SYSTEM FOR INVESTIGATION OF MAGNETIC acousto-optical interaction in antiferromagnets

机译：反铁磁体中磁声光相互作用研究的自动化系统

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摘要

The invention relates to the experimental equipment, namely, to installations for the study of acousto-optical processes in antiferromagnets. The object of the utility model is to increase the level of automation control, increased research temperature range, as well as maintaining the desired temperature of the sample antiferromagnet. The technical result is achieved in that the automated installation for the study of magnetic, acousto-optic interaction in antiferromagnetic materials, consisting of a personal computer, optical parts, acoustic parts, a magnetic field control system and the measuring cell, wherein the set sample antiferromagnet, the personal computer comprises a compound between an analog-to-digital converter unit LabVIEW program and digital-to-analog converter, the optical portion comprises posl edovatelno connected to an infrared laser, an optical beam forming system, a first polarizer, a second polarizer, a photodetector, acoustic portion includes the carrier frequency generator, which via switch connected to the first and second transmitting piezoelectric transducer, the receiving piezoelectric transducer coupled to a high-frequency superheterodyne two-channel receiver, and a magnetic control system field comprises an electromagnet with the power supply of the Hall sensor monitoring the magnetic field, wherein the first, second and third outputs digital-to-analog converter are connected respectively to an infrared laser, the generator carrier and the power supply of the electromagnet, the first, second, third and fourth inputs of analog-to-digital converter connected respectively to the photodetector, the second transmitting piezoelectric transducer, a high-frequency superheterodyne two-channel receiver and a Hall sensor, the sample antiferromagnet connected to the first and second polarizers, the first and second piezoelectric transducers transmitting and desk piezoelectric transducer according to the present utility model is provided with a stepper motor control system and the temperature control, the stepper motor control system comprises a control unit, the first and second inputs connected respectively to the first and second stepper motors, the shafts of which are connected with the measuring unit, the output control unit connected to the second input of the digital-to-analog converter, thermostating system comprising a heating unit, the input of which is connected to the power supply output, and O d - antiferromagnet with a sample and the thermal sensor having an input coupled to the sample antiferromagnet, and an output - to a fifth input of the analog-to-digital converter. 1 yl.
机译：本发明涉及实验设备，即用于研究反铁磁体中声光过程的设备。本实用新型的目的是提高自动化控制水平，增加研究温度范围，并保持样品反铁磁体的期望温度。通过自动装置来研究反铁磁材料中的磁性，声光相互作用，从而获得技术成果，该装置由个人计算机，光学部件，声学部件，磁场控制系统和测量单元组成，其中固定样本反铁磁体，个人计算机包括模数转换器单元LabVIEW程序和数模转换器之间的化合物，光学部分包括连接到红外激光器的正电子手电筒，光束形成系统，第一偏振片，第二偏振器，光电探测器，声学部分包括载频发生器，载频发生器通过连接到第一和第二发射压电换能器的开关，耦合到高频超外差双通道接收器的接收压电换能器以及磁控制系统领域，带有霍尔传感器电源的电磁体，用于监控电磁场在这种情况下，第一，第二和第三输出数模转换器分别连接到红外激光器，发生器载体和电磁体的电源，模数的第一，第二，第三和第四输入端。分别连接到光检测器的转换器，第二发射压电换能器，高频超外差双通道接收器和霍尔传感器，连接到第一和第二偏振器的样品反铁磁体，第一和第二压电换能器发射和台式压电换能器本实用新型提供了一种步进电机控制系统和温度控制装置，该步进电机控制系统包括控制单元，其第一和第二输入分别与第一和第二步进电动机相连，其轴与测量单元，输出控制单元连接到数模转换器的第二个输入模数转换器，恒温系统，其包括加热单元，其输入端连接至电源输出，以及O d-具有样品的反铁磁体，并且热传感器具有与样品反铁磁体耦合的输入，以及至第五的输出模数转换器的输入。 1 yl。

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