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Research on the Power Supply of Pulsed Solid State Laser and Application System

Author: CaiWeiJu
Tutor: ZhangYingChao
School: Nanjing University of Information Engineering
Course: System Analysis and Integration
Keywords: Laser power Lithium ion battery DC / DC converter Erbium YAG laser lancing
CLC: TM919
Type: Master's thesis
Year: 2006
Downloads: 201
Quote: 0
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Abstract


The paper first reviews the development of the laser power erbium YAG laser applications , laser lancing technology . By simulations and experiments , the design of the power supply circuit and control system of the erbium YAG laser lancing instrument , and a detailed analysis of how it works . Pulse the erbium YAG solid laser power to provide energy for the xenon lamp , xenon lamp laser pump source , burning it to the luminescence excitation the working substance erbium YAG produce laser , the laser power performance directly affects the quality of the laser beam . The charge and discharge circuit is the core of the power system , this paper was carried out from the principles of analysis to the detailed discussion of the specific parameters selected . Designed quasi precombustion trigger circuit to improve the way of pre-combustion , simple circuit , while reducing the weight . Details outer characteristics of the lithium-ion battery and charging . Portability and low cost as the primary design goals of the portable device , based on the application specific integrated chip battery management is the most ideal means. In this paper, the application specific integrated chip and microcontroller charge and discharge control circuit protection function . This article , based on the use of portable electronic devices powered by lithium batteries , research a boost DC / DC converter pulse frequency modulation principle and implementation techniques , pulse frequency modulation mode DC / DC conversion controller design system stability requirements voltage. Uses advanced algorithms to select the external component to improve the efficiency and accuracy of the circuit . PIC microcontroller design a the blood pulse erbium YAG solid-state laser laser power system , the man-machine interface , and work status display , and to select pump energy profiles for different age skin . The circuit structure is simple , reliable operation , low cost , meet the requirements of a portable laser lancing instrument .

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CLC: > Industrial Technology > Electrotechnical > Independent power supply technology (direct power) > Other independent power
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