The Transmission of Light Through Cylindrical Mirror Light Pipe

Woon, Hai Song (1999) The Transmission of Light Through Cylindrical Mirror Light Pipe. Masters thesis, Universiti Putra Malaysia.

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Abstract

A mirror light pipe (MLP) is an optical device consisting of a metallic reflective closed wall structure with highly transparent open ends. Light falling on the entrance is transmitted through the pipe to the exit by multiple reflections off the inner walls and used at the end. The spectral transmission through silver, aluminium and gold-coated inner walls of cylindrical mirror light pipes has been calculated theoretically based on the Swift and Smith model. The experimental data is also collected for MLP which is made by silverlux. The transmission is dependent upon the angle of incident light and the wavelength of incoming radiation. All pipes show a decrease in the spectral transmission of solar spectrum with an increase in the angle of incidence and the length of the pipes.

Item Type:Thesis (Masters)
Subject:Reflectors, Lighting
Subject:Light absorption
Chairman Supervisor:Associate Professor Elias Saion, PhD
Call Number:FSAS 1999 14
Faculty or Institute:Faculty of Environmental Studies
ID Code:8659
Deposited By: Nurul Hayatie Hashim
Deposited On:08 Dec 2010 09:00
Last Modified:10 May 2012 03:09

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