| 摘要 |
A secondary optical system provides radial scattered light (decoration light) to optical fibers for decoration and can aid a light decoration system to be more saturated and uniform, as well as extend a transmission distance. The present invention utilizes a flexible optical tube, a hollow piping of which provides for pivoting with the optical fibers. An outer surface of the tube is provided with an optical layer by which forward reflection is acted on part of a radial scattered beam generated by the optical fibers, so as to synthesize a longer transmission distance. The present invention is also provided with a light shielding function, allowing part of a refraction beam to form diffusion and an outward scattering effect, such that an entire outer surface of the system can irradiate out decoration light of high uniformity and high saturation intensity.
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