Dual-Frequency Doppler LiDAR Based on External Optical Feedback Effect in a Laser.
doppler LiDAR
dual-frequency laser
laser dynamics
optical feedback
velocity measurement
Journal
Sensors (Basel, Switzerland)
ISSN: 1424-8220
Titre abrégé: Sensors (Basel)
Pays: Switzerland
ID NLM: 101204366
Informations de publication
Date de publication:
05 Nov 2020
05 Nov 2020
Historique:
received:
13
10
2020
revised:
02
11
2020
accepted:
03
11
2020
entrez:
10
11
2020
pubmed:
11
11
2020
medline:
11
11
2020
Statut:
epublish
Résumé
A novel Dual-frequency Doppler LiDAR (DFDL) is presented where the dual-frequency light source is generated by using external optical feedback (EOF) effect in a laser diode (LD). By operating a LD at period-one (P1) state and choosing suitable LD related parameters, a dual-frequency light source can be achieved. Such a dual-frequency source has advantages of the minimum part-count scheme, low cost in implementation, and ease in optical alignment. Theory and system design are presented for the proposed DFDL for velocity measurement with high measurement resolution. The proposed design has a potential contribution to the Light Detection And Ranging (LiDAR) in practical engineering applications.
Identifiants
pubmed: 33167438
pii: s20216303
doi: 10.3390/s20216303
pmc: PMC7663987
pii:
doi:
Types de publication
Letter
Langues
eng
Sous-ensembles de citation
IM
Références
Opt Lett. 2018 Sep 1;43(17):4124-4127
pubmed: 30160732
Opt Express. 2012 Aug 27;20(18):20255-65
pubmed: 23037077
Opt Lett. 2006 Dec 15;31(24):3600-2
pubmed: 17130916
Opt Express. 2014 Feb 10;22(3):3600-10
pubmed: 24663651
Opt Express. 2017 Jan 23;25(2):560-572
pubmed: 28157946
Opt Lett. 2019 Oct 1;44(19):4869-4872
pubmed: 31568463
Opt Express. 2019 Feb 18;27(4):4090-4104
pubmed: 30876030
Opt Lett. 2015 Apr 1;40(7):1358-61
pubmed: 25831332
Opt Express. 2016 May 2;24(9):9202-8
pubmed: 27137536
Opt Lett. 2017 Jan 15;42(2):283-285
pubmed: 28081093
Appl Opt. 2019 Jul 10;58(20):5479-5485
pubmed: 31504017
Sensors (Basel). 2020 Apr 07;20(7):
pubmed: 32272649
Opt Lett. 2000 Sep 1;25(17):1231-3
pubmed: 18066176
Opt Lett. 2020 Jul 1;45(13):3777-3780
pubmed: 32630952