Light & Engineering 27 (6)

Volume 27
Date of publication 12/20/2019
Pages 88-96

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Distinctions of the Design of UHP Xenon Lamps with Sapphire Envelope. L&E 27 (6) 2019

Articles authors:

Sergey V. Gavrish

Sergey V. Gavrish, Doctor of Technical Sciences, graduated in 1985 from the Moscow Institute of Electronic Technology (MIET). At present, he is the head of the Light Sources Department of the Scientific and Production Enterprise Melitta. His research interests are plasma physics, lighting engineering, science of materials

Abstract:

This article describes the major development results of the first Russian sample of a UHP xenon discharge lamp with sapphire envelope. The article proposes a method of monitoring of thermal fields of semi-transparent materials and studies the thermal distribution of quartz and sapphire envelopes of UHP discharge lamps. Mechanical strength of sapphire tubes depending on the temperature is studied, the thickness of the discharge envelope wall is calculated, and distinctions of the design of a UHP xenon lamp with the sapphire envelope are considered.

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Keywords

DOI: https://doi.org/10.33383/2018-074