Fig. 1. (A) Image of LG Pra’L HGN1. Inside layout of LG Pra’L HGN1 device with light source consisting of LED (104 units), laser diodes (50 units), and laser diodes with a waveguide (16 units). (B) Real image of 250 red light sources when the device is operating.

Med Lasers 2020;9:150~158 https://doi.org/10.25289/ML.2020.9.2.150

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