Spectral light tube
First Claim
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1. A lighting system including a tube having a length with its walls consisting at least partially of a first diffraction grating having a ruled surface, with its ruled surface aligned perpendicular to the length of the tube to disperse a field of rainbow colored light when illuminated with a light source aimed through or along the length of the tube.
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Abstract
A tube has walls consisting totally or partially of a first diffraction grating with its ruled surface aligned perpendicular to the length of the tube to disperse a field of rainbow colored light when illuminated with a light source aimed through or along the length of the tube.
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Citations
37 Claims
- 1. A lighting system including a tube having a length with its walls consisting at least partially of a first diffraction grating having a ruled surface, with its ruled surface aligned perpendicular to the length of the tube to disperse a field of rainbow colored light when illuminated with a light source aimed through or along the length of the tube.
- 23. A fountain with a surface designed to have a liquid flow over it wherein that surface is a diffraction grating or is coated with a diffraction grating.
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37. A lighting system comprising:
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a light source; and
a diffraction grating, wherein colored light is produced by the diffraction grating, the colored light being used for decorative purposes, for signage, or for highly visible ways of marking things for navigation, industry and safety.
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Specification