According to the VL53L0X datasheet: > During the ranging operation, several VCSEL infrared pulses are emitted, then reflected back by the target object, and de

According to the VL53L0X datasheet: > During the ranging operation, several VCSEL infrared pulses are emitted, then reflected back by the target object, and detected by the receiving array. VCSEL is Vertical cavity surface emitting laser. Therefore I would say a pulse laser.