As it was answered, you could read about safety here: https://github.com/iliasam/OpenTOFLidar/wiki/Laser-Safety https://github.com/iliasam/OpenTOFLidar/wiki/Las

As it was answered, you could read about safety here: https://github.com/iliasam/OpenTOFLidar/wiki/Laser-Safety https://github.com/iliasam/OpenTOFLidar/wiki/Laser-Safety Measuring through translucent or transparent surfaces is theoretically possible (TDC is supporting multiple measurements), but received pulse width is too high now - it could be > 30ns after amplifier.