Design and Realization of Fiber End Lamp Based on Fiber Optic Lighting Technology

Jiahong Chen; Xiaoren Shan; Panfeng Ding

doi:10.3788/LOP57.032204

Laser & Optoelectronics Progress, Volume. 57, Issue 3, 032204(2020)

Design and Realization of Fiber End Lamp Based on Fiber Optic Lighting Technology

Jiahong Chen^1,3、**, Xiaoren Shan^1,3, and Panfeng Ding^2,3、*

Author Affiliations

¹College of Information Science and Engineering, Huaqiao University, Xiamen, Fujian 361021, China

²Engineering Institute, Huaqiao University, Quanzhou, Fujian 362021, China

³Fujian Key Laboratory of Optical Beam Transmission and Transformation, Xiamen, Fujian 361021, China

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Figures & Tables(12)

Fig. 1. Diagram of fiber bundle and its end

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Fig. 2. Schematic of the coupling device

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Fig. 3. Reflection base diagram

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Fig. 4. Schematics of (a) light propagation of fiber bundle end and (b) illuminance distribution

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Fig. 5. Schematic of lens design

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Fig. 6. Schematic of LED light wave coupling into the fiber bundle

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Fig. 7. (a) Illuminance distribution and (b) illuminance curves on the target plane

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Fig. 12. Influence of the distance deviation between the end face and the lens on the color rendering index and correlated colour temperature

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Fig. 13. Comparison of system illumination effects. (a) Without lens; (b) with lens

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Table 1. Influence of parameter j on fitting effect of distribution curve
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Table 1. Influence of parameter j on fitting effect of distribution curve
j Standard deviation;uniformity of illumination(U_{E_m},m=6,8,10,11) Curve comparison Illuminance distribution
6 s=0.9386;U_{E_}₆=85.60%
8 s=0.4349;U_{E_}₈=88.16%
10 s=0.0007;U_{E_}₁₀=90.99%
11 s=0.0656;U_{E_}₁₁=9.51%

Table 2. Influence of coupling distance error on illumination effect
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Table 2. Influence of coupling distance error on illumination effect
Δd/mm Maximumirradiance /lx Uniformity ofillumination /% Irradiance map
-2 844.4 71.12
0 810.3 81.54
2 759.8 67.72
4 661.8 52.01

Table 3. Effect of the distance error between the luminous face and lens on the illumination effect
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Table 3. Effect of the distance error between the luminous face and lens on the illumination effect
Δz /mm Maximumilluminance /lx Uniformity ofilluminance /% Illuminancedistribution
0 810.3 81.54
2 824.5 71.58
4 816.2 67.46
6 942.2 40.58

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Jiahong Chen, Xiaoren Shan, Panfeng Ding. Design and Realization of Fiber End Lamp Based on Fiber Optic Lighting Technology[J]. Laser & Optoelectronics Progress, 2020, 57(3): 032204

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