The Transmission of Light Through Cylindrical Mirror Light Pipe
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 trans...
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| Main Author: | |
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| Format: | Thesis |
| Language: | English English |
| Published: |
1999
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| Online Access: | http://psasir.upm.edu.my/id/eprint/8659/1/FSAS_1999_14_A.pdf http://psasir.upm.edu.my/id/eprint/8659/ |
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| Summary: | 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. |
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