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CHUAN ZHONG1,* , CHANGYU SHEN1
In order to realize a micro omni-distance uniform illumination, a LED D-shape photonic crystals fibre (PCF) illumination system was designed. White light emitting from white LED was coupled into the D-shape PCF by using the coupling system. As propagating in the D-shape PCF, light exits out from the flat surface of the D-shape PCF for uniform illuminating. The intensity of the illuminating light exiting from the flat surface depends on the number of cladding rings of the D-shape PCF. In our system, the diameter d, and period Λ of the air-hole cladding are 1.78 μm and 7.78 μm, respectively. As keeping 2 rings of the air hole cladding from the center to the flat surface of the D-shape PCF, the omni-distance uniform illuminating in visible light wavelength range was obtained..
LED, Photonic crystal fiber, D-shape PCF.
CHUAN ZHONG, CHANGYU SHEN, Omni-distance uniform LED illuminating system using D-shape photonic crystal fiber, Optoelectronics and Advanced Materials - Rapid Communications, 5, 3, March 2011, pp.198-200 (2011).
Submitted at: Feb. 16, 2011
Accepted at: March 16, 2011
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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