Figure 2. Application demonstration of Bi/Ln:DP-based ultrabroadband LED (IMAGE)
Caption
a, Schematic diagram of experimental setup for measuring absorption. PL spectra with and without the measured substance inside the integrated sphere using u-LED as the light source: b, water and EtOH, c, plum, tomato, grape and eggs. ΔPL is defined as PL(u-LED) - PL(u-LED + substance). d, Photos of fruits with and without u-LED irradiation recorded by visible and NIR cameras. e, Photos of palm and finger after transillumination of NIR light from u-LED.
Credit
by Shilin Jin, Renfu Li, Hai Huang, Naizhong Jiang, Jidong Lin, Shaoxiong Wang, Yuanhui Zheng, Xueyuan Chen and Daqin Chen
Usage Restrictions
Credit must be given to the creator.
License
CC BY