Pulse Width Modulation Generation Based on Laser Using Ultrasonic Frequency

被引：9

作者：

Najim, Jassim M. ^{[1
]}

Jassim, Wesam ^{[2
]}

Mahmood, Ahmed H. ^{[1
]}

机构：

[1] Univ Anbar, Dept Phys, Coll Sci, Ramadi, Al Anbar, Iraq

[2] Univ Anbar, Coll Comp Sci & Informat Technol, Ramadi, Al Anbar, Iraq

来源：

INTERNATIONAL WORKSHOP IN PHYSICS APPLICATIONS | 2019年 / 1178卷

关键词：

ultrasound Frequency; laser; Modulation; Transmitter circuit;

D O I：

10.1088/1742-6596/1178/1/012028

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this work, a Wien Bridge Oscillator and a Triangle Wave Oscillator were used to obtain a 40 KHz sine wave and a 400 KHz triangular wave respectively. A modified pulse using a comparator circuit was obtained to control the laser transmission circuit and to send the modified laser pulse to the photodiode receiving circuit in any distance. The original sine wave (40 KHz) was then retrieved to be used in medical, industrial, physical and military applications.

引用

页数：10

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