A LiDAR sensor comprising: a laser configured to emit a narrow electromagnetic pulse, which is split among a plurality of optical fibers by a fiber cable splitter ; a window through which a first split pulse of the narrow electromagnetic pulse emitted by the laser passes, the first split pulse being transmitted by a first one of the plurality of optical fibers; an angular sensor configured to indicate the angular position of the measurement provided by the first split pulse ; an electromagnetic pulse receiving sensor configured to receive (i) a calibration pulse obtained by splitting the narrow electromagnetic pulse, the calibration pulse being transmitted by a second one of the plurality of optical fibers, (ii) a first reflected pulse being reflected by the window , and (iii) a second reflected pulse being reflected by an object external from the LiDAR sensor and returning through the window ; and a processor configured to: receive information from the angular sensor and the electromagnetic pulse receiving sensor , the information indicating a position of the object relative to the LiDAR sensor ; measure an intensity of the calibration pulse from the second optical fiber; measure an intensity of the first reflected pulse being reflected by the window ; measure an intensity of the second reflected pulse being reflected by the object ; and determine a reflectance property of the object based on the intensity of the calibration pulse , and the intensities of both the first reflected pulse and the second reflected pulse . a laser configured to emit a narrow electromagnetic pulse, which is split among a plurality of optical fibers by a fiber cable splitter ; a window through which a first split pulse of the narrow electromagnetic pulse emitted by the laser passes, the first split pulse being transmitted by a first one of the plurality of optical fibers; an angular sensor configured to indicate the angular position of the measurement provided by the first split pulse ; an electromagnetic pulse receiving sensor configured to receive (i) a calibration pulse obtained by splitting the narrow electromagnetic pulse, the calibration pulse being transmitted by a second one of the plurality of optical fibers, (ii) a first reflected pulse being reflected by the window , and (iii) a second reflected pulse being reflected by an object external from the LiDAR sensor and returning through the window ; and a processor configured to: receive information from the angular sensor and the electromagnetic pulse receiving sensor , the information indicating a position of the object relative to the LiDAR sensor ; measure an intensity of the calibration pulse from the second optical fiber; measure an intensity of the first reflected pulse being reflected by the window ; measure an intensity of the second reflected pulse being reflected by the object ; and determine a reflectance property of the object based on the intensity of the calibration pulse , and the intensities of both the first reflected pulse and the second reflected pulse . receive information from the angular sensor and the electromagnetic pulse receiving sensor , the information indicating a position of the object relative to the LiDAR sensor ; measure an intensity of the calibration pulse from the second optical fiber; measure an intensity of the first reflected pulse being reflected by the window ; measure an intensity of the second reflected pulse being reflected by the object ; and determine a reflectance property of the object based on the intensity of the calibration pulse , and the intensities of both the first reflected pulse and the second reflected pulse . <EOS>