A simple monochromatic spark discharge light source | Zendy

O. H. Chin | Zendy; C.S. Wong | Zendy

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A simple monochromatic spark discharge light source

Author(s) -

O. H. Chin,

C.S. Wong

Publication year - 1989

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.1140446

Subject(s) - monochromatic color , spark (programming language) , spark gap , materials science , optics , gas filled tube , helium , luminous intensity , capacitor , tube (container) , light emission , spark discharge , physics , atomic physics , optoelectronics , voltage , electrical engineering , quantum mechanics , computer science , composite material , programming language , engineering

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 at 23 kV and 900 mbar is estimated to be 2.1×103 Candela into 4π radians.

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