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Titolo:
Effect of linewidth enhancement factor on Doppler beat waveform obtained from a self-mixing laser diode
Autore:
Ozdemir, SK; Shinohara, S; Yoshida, H;
Indirizzi:
Shizuoka Univ, Fac Engn, Hamamatsu, Shizuoka 4328561, Japan Shizuoka UnivHamamatsu Shizuoka Japan 4328561 u, Shizuoka 4328561, Japan
Titolo Testata:
OPTICAL REVIEW
fascicolo: 6, volume: 7, anno: 2000,
pagine: 550 - 554
SICI:
1340-6000(200011/12)7:6<550:EOLEFO>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
SEMICONDUCTOR-LASERS; OPTICAL FEEDBACK; VELOCIMETER; CHAOS;
Keywords:
self-mixing effect; linewidth enhancement factor; optical feedback; Doppler beat waveform; fringe inclination;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
12
Recensione:
Indirizzi per estratti:
Indirizzo: Ozdemir, SK Grad Univ Adv Studies, SOKEN, Sch Adv Sci, CREST Res Team Interact CarrierElect, Hayama, Kanagawa 2400193, Japan Grad Univ Adv Studies Hayama Kanagawa Japan 2400193 93, Japan
Citazione:
S.K. Ozdemir et al., "Effect of linewidth enhancement factor on Doppler beat waveform obtained from a self-mixing laser diode", OPT REV, 7(6), 2000, pp. 550-554

Abstract

The asymmetry and fringe inclination of the sawtooth-like waveform observed in the self-mixing signal obtained from a semiconductor laser with optical feedback enable the direction discrimination of line-of-sight motion of external target surfaces. We investigated the effects of linewidth enhancement factor and feedback strength on the asymmetry and the direction of fringe inclination of the signal by numerical simulations. For the first time, we show that direction of the fringe inclination is determined not only by the direction of the target motion but also by the value of the linewidth enhancement factor.

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Documento generato il 14/07/20 alle ore 03:47:01