LaserLED.jpeg JesiennaJura 20131014 134702サムネイルLaserLED2JesiennaJura 20131014 134702サムネイルLaserLED2JesiennaJura 20131014 134702サムネイルLaserLED2
LED laser (5,5W power) close-up showing stacked diodes one on another.