736 cs ldtc04 pdf applicationtechnotes 1578340144 9f5240894ca51fbc9fe793340babb452 1be95edfcb85271c99b290b4132c4f61835f0f3720b2aa515d0533c4640e3be0 eye safe atmospheric lidar measurements a 2019 04 15 12 46 57 wavelength electronics inc application tech notes 0 66 249 79 227 2020 02 09 22 06 17 release pdf application num_pages analyze pdf_pages pdf_2text timings