대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)
- 대한전기학회 2002년도 하계학술대회 논문집 C
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- Pages.1816-1819
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- 2002
DC-DC Converter System에 의한 CO2 레이저 출력 특성에 대한 연구
A Study on Output Characteristics of the CO2 Laser by DC-DC Converter System
- 김근용 (부산대학교 전기공학과) ;
- 정현주 (부산대학교 전기공학과) ;
- 민병대 (부산대학교 전기공학과) ;
- 김용철 (부산대학교 전기공학과) ;
- 이유수 (부산대학교 전기공학과) ;
- 김희재 (부산대학교 전기공학과)
- Kim, Geun-Yong (Dept. of Electrical Eng., Pusan national Univ.) ;
- Chung, Hyun-Ju (Dept. of Electrical Eng., Pusan national Univ.) ;
- Min, Byoung-Dae (Dept. of Electrical Eng., Pusan national Univ.) ;
- Kim, Yong-Cheol (Dept. of Electrical Eng., Pusan national Univ.) ;
- Lee, Yu-Soo (Dept. of Electrical Eng., Pusan national Univ.) ;
- Kim, Hee-Je (Dept. of Electrical Eng., Pusan national Univ.)
- 발행 : 2002.07.10
초록
Nowadays, CO2 lasers are used widely in many applications such as materials fabrication, communications, remote sensing and military purpose etc. It is important to control the laser output power in those fields. In this paper, current resonant half-bridge inverter and Cockcraft-Walton circuit are used to vary the laser output power. This laser power supply is designed and fabricated which has less switching losses and compact size. Also we used an IGBT(Insulated Gate Bipolar Transistor) as a switching device of a power supply and PIC one-chip microprocessor are used to control the gate signal of the IGBT precisely. We investigated the output characteristics of this CO2 laser. As a result, the maximum laser output power of 26[W] is obtained at the resonant frequency of about 13[kHz].
키워드