A simple monochromatic spark discharge light-source

Chin, Oi Hoong and Wong, C.S. (1989) A simple monochromatic spark discharge light-source. Review of Scientific Instruments, 60 (12). pp. 3818-3819. ISSN 0034-6748, DOI https://doi.org/10.1063/1.1140446.

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Spark light illumination has been used in high-speed photog-raphy since the beginning ofthe century and various designs ofthe spark discharge light source have since been reportedr with spark duration ranging from nanoseconds to millisec-onds. We report here a simple and easy to build spark dis-charge tube for operation as a monochromatic point light source. The design and construction ofthe spark discharge tube is shown in Fig. 1. The sharp-tip solid cone anode is made of stainless steel which is screwed onto a brass rod connected A compact spark discharge tube operated as a monochromatic light source at 587.5 nm is described. The device is powered by a small 25-kV, 3300-pF doorknob-type capacitor switched by an atmospheric air spark gap. The peak luminous intensity of the 587.5-nm line emission from the helium spark discharge operated,at23 kV and 900 mbar is estimated to be 2. I X 103 Candela into 4trradians.

Item Type: Article
Uncontrolled Keywords: Article, Light
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: miss munirah saadom
Date Deposited: 17 Jul 2013 00:51
Last Modified: 06 Dec 2019 06:12
URI: http://eprints.um.edu.my/id/eprint/7716

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