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Blue Laser Diode-Based Remote Solid-State Lighting Using Plastic Optical Fiber and Phosphor Film for a Hazardous Environment
ECS Journal of Solid State Science and Technology ( IF 1.8 ) Pub Date : 2021-01-09 , DOI: 10.1149/2162-8777/abd51b
Amjad Ali 1 , Riffat Tehseen 1 , M K Mithilesh 1 , S. A. Hassnain 1 , Zejun Zhang 1, 2, 3 , Chao Zhang 1 , Syed Raza Mehdi 4 , Arfan Mahmood 1 , Jing Xu 1, 2, 3
Affiliation  

In this study, we proposed and experimentally demonstrated the blue laser diode-based remote solid-state lighting using plastic optical fiber and phosphor film. The light-emitting part’s vicinity is free of electricity, which eliminates the risk of explosion and electromagnetic interference (EMI) and thus can find wide applications in hazardous or sensitive locations, such as gas plants and aircraft, to name a few. The color attributes of generated white light were studied by calculating correlated color temperature (CCT), color rendering index (CRI), Commission Internationale de l’Eclairage (CIE), and ${D}_{uv}.$ The maximum CRI of 77.6 with a corresponding CCT of 4674 K has been achieved at 360 mA. By changing the bias current from 280 mA to 360 mA, the ${D}_{uv}$ of the generated light source is extremely small ranging from $-0.00524$ to $-0.00678,$ which indicates that the obtained white light is perceived as neutral in appearance. The CIE chromaticity coordinates (x, y) of generated white light are very close to the Planckian locus. At 360 mA, CIE chromaticity coordinates (x, y) exhibit at (0.3528, 0.3443), which are very close to the standard neutral white light’s (0.333, 0.333). The proposed technique can be implemented in a hazardous environment.



中文翻译:

用于危险环境的基于蓝色激光二极管的远程固态照明,使用塑料光纤和磷光膜

在这项研究中,我们提出并通过实验证明了使用塑料光纤和荧光膜的基于蓝色激光二极管的远程固态照明。发光部分附近没有电,消除了爆炸和电磁干扰 (EMI) 的风险,因此可以广泛应用于危险或敏感的场所,例如燃气厂和飞机等。通过计算相关色温 (CCT)、显色指数 (CRI)、Commission Internationale de l'Eclairage (CIE) 来研究生成的白光的颜色属性,${D}_{uv}.$最大 CRI 为 77.6,对应的 CCT 为 4674 K达到360毫安。通过将偏置电流从 280 mA 更改为 360 mA,${D}_{uv}$产生的光源的电流非常小,范围从$-0.00524$$-0.00678,$表明获得的白光在外观上被认为是中性的。生成的白光的 CIE 色度坐标 (x, y) 非常接近普朗克轨迹。在 360 mA 时,CIE 色度坐标 (x, y) 显示为 (0.3528, 0.3443),非常接近标准中性白光的 (0.333, 0.333)。所提出的技术可以在危险环境中实施。

更新日期:2021-01-09
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