Absolute distance and velocity measurements by the FMCW technique and self-mixing interference effect inside a single-mode Nd:YAG- microchip laser

Nerin, Philippe; Besesty, P.; Labeye, P.; Puget, Pierre; Chartier, G.

doi:10.1088/0150-536x/29/3/011

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Laser Cavity Length1

Introduction1

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2009

2023

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Cited by 8 publications

(2 citation statements)

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“…. It is drawn a theoretical conclusion that laser of shorter cavity length could result in higher sensitivity of SMI system, in line with the viewpoint that microchip laser with shorter cavity length is superior to traditional semiconductor laser [12,13].…”

Section: Laser Cavity Lengthmentioning

confidence: 53%

Simulation of laser internal cavity length and refractivity dependence of self-mixing interference velometry

Sun

Liu

Gui

et al. 2015

Optik

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Section: Laser Cavity Lengthmentioning

confidence: 53%

Simulation of laser internal cavity length and refractivity dependence of self-mixing interference velometry

Sun

Liu

Gui

et al. 2015

Optik

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“…Self-mixing interference using single-mode laser diodes has been exploited for velocity [4], distance [4,5], displacement [6], and angle [7] measurements. This paper presents some of the experimental results obtained in the study of optical feedback effects in low-cost Fabry-Perot laser diodes operating with multiple laser modes.…”

Section: Introductionmentioning

confidence: 99%

Self-mixing technique for vibration measurements in a laser diode with multiple modes created by optical feedback

Ruiz-Llata

Lamela

2009

Appl. Opt.

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We present experimental and theoretical results obtained from the study of the effects of optical feedback in low-cost Fabry-Perot laser diodes due to the presence of an external cavity created by an external reflective or diffusive vibrating target. Experimental results show that a change in the length of the external cavity produces the well-known amplitude modulation of the optical output power and, depending on the amount of optical feedback, a subperiodicity appears in the amplitude modulation of the output power. The experiments show that the subperiodicity appears independently of the length of the external cavity and is due to mode hopping between different longitudinal laser modes. Numerical analysis focused on the effects observed support that the mode hop occurs between modes whose round-trip phase delay along the external cavity is out of phase, thus producing a subperiodicity of the total amplitude modulation.

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Characterization and validation of the frequency-modulated continuous-wave technique for assessment of photon migration in solid scattering media

et al. 2012

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Absolute distance and velocity measurements by the FMCW technique and self-mixing interference effect inside a single-mode Nd:YAG- microchip laser

Cited by 8 publications

References 20 publications

Simulation of laser internal cavity length and refractivity dependence of self-mixing interference velometry

Simulation of laser internal cavity length and refractivity dependence of self-mixing interference velometry

Self-mixing technique for vibration measurements in a laser diode with multiple modes created by optical feedback

Characterization and validation of the frequency-modulated continuous-wave technique for assessment of photon migration in solid scattering media

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