Study on temperature distribution around bulb envelope and cavity of high power PLS

Author

Lee, J.Y. ; Choi, J.S. ; Kim, H.J. ; Jeon, Y.S. ; Jeon, H.S. ; Park, B.J.

Author_Institution

LG Digital Appliance Res. Lab., LG Electron. Inc., Seoul, South Korea

fYear

2003

fDate

5-5 June 2003

Firstpage

305

Abstract

Summary form only given, as follows. Summary form only given. A plasma light system is an electrodeless lamp discharged by microwaves. High efficacy and CRI visible light similar to daylight is radiated. It is mainly composed of a microwave part and optical part. The microwave part consists of a magnetron, waveguide and cylindrical cavity, and the optical parts consist of bulb, mirror and reflector. High power microwaves generated by a magnetron are focused on a bulb located within the cavity. Several torrs of buffer gas within the bulb are ionized by microwaves and then ionized gas excites solid-state chemical fills to become high a pressure and temperature plasma. A bulb envelope made of quartz should be rotated to bear up against high temperature and maintain uniformity within the bulb. We studied the temperature distribution around a rotating quartz envelope and cavity.

Keywords

electrodeless lamps; high-frequency discharges; lighting; bulb envelope; cavity; plasma light system; temperature distribution; Electrodeless lamps; High power microwave generation; Microwave generation; Mirrors; Optical buffering; Optical waveguide components; Optical waveguides; Plasma temperature; Plasma waves; Temperature distribution;

fLanguage

English

Publisher

ieee

Conference_Titel

Plasma Science, 2003. ICOPS 2003. IEEE Conference Record - Abstracts. The 30th International Conference on

Conference_Location

Jeju, South Korea

ISSN

0730-9244

Print_ISBN

0-7803-7911-X

Type

conf

DOI

10.1109/PLASMA.2003.1228876

Filename

1228876