Affiliation:
1. Matsushita Electronics Corp., Light Division, Osaka, Japan
Abstract
This paper reviews the present scientific and technological states of the high-pressure sodium (HPS) lamp, and also considers its future prospects. In twenty years since the introduction of the lamp, the HPS lamp technology has almost reached a first mature stage, and the basic physical properties of the HPS discharge are well understood. Recent activities in the lamp technology have been in the following directions: improvement in the lamp colour quality and a further increase in luminous efficacy. The HPS lamp will still expand its total demand as well as application fields even to indoor lighting in the future.
Subject
Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics
Cited by
9 articles.
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