Experimental investigation into laser ranging with sub-ns laser pulses
Hintikka , Mikko; Kostamovaara, Juha (2017-11-24)
Institute of Electrical and Electronics Engineers
24.11.2017
Hintikka, M., Kostamovaara, J. (2018) Experimental investigation into laser ranging with sub-ns laser pulses. IEEE Sensors Journal, (), 1-1. doi:10.1109/JSEN.2017.2777501
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© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi-fe201801051098
https://urn.fi/URN:NBN:fi-fe201801051098
Tiivistelmä
Abstract
We present a high precision time-of-flight laser radar system based on energetic (~ 0.6 nJ) sub-ns laser pulses produced with a semiconductor laser diode. The proposed device has a single-shot precision of < 5 mm at an SNR of 10 and a maximum walk error < 500 ps in the dynamic range 1:250. Sub-mm precision can be achieved in ranging by means of averaging. The proposed laser radar can be used for monitoring tiny vibrations in distant targets, for example.
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