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Showing 1 to 12 of 41 entries
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Non-local effects in dual-probe-sideband Brillouin optical time domain analysis.

Optics express

Dominguez-Lopez A, Angulo-Vinuesa X, Lopez-Gil A, Martin-Lopez S, Gonzalez-Herraez M.
PMID: 25969075
Opt Express. 2015 Apr 20;23(8):10341-52. doi: 10.1364/OE.23.010341.

According to recent models, non-local effects in dual-probe-sideband Brillouin Optical Time Domain Analysis (BOTDA) systems should be essentially negligible whenever the probe power is below the Stimulated Brillouin Scattering (SBS) threshold. This paper shows that actually there appear non-local...

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Dominguez-Lopez A, Angulo-Vinuesa X, Lopez-Gil A, et al. Non-local effects in dual-probe-sideband Brillouin optical time domain analysis. Opt Express. 2015;23(8):10341-52doi: 10.1364/OE.23.010341.
Dominguez-Lopez, A., Angulo-Vinuesa, X., Lopez-Gil, A., Martin-Lopez, S., & Gonzalez-Herraez, M. (2015). Non-local effects in dual-probe-sideband Brillouin optical time domain analysis. Optics express, 23(8), 10341-52. https://doi.org/10.1364/OE.23.010341
Dominguez-Lopez, Alejandro, et al. "Non-local effects in dual-probe-sideband Brillouin optical time domain analysis." Optics express vol. 23,8 (2015): 10341-52. doi: https://doi.org/10.1364/OE.23.010341
Dominguez-Lopez A, Angulo-Vinuesa X, Lopez-Gil A, Martin-Lopez S, Gonzalez-Herraez M. Non-local effects in dual-probe-sideband Brillouin optical time domain analysis. Opt Express. 2015 Apr 20;23(8):10341-52. doi: 10.1364/OE.23.010341. PMID: 25969075.
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Single-shot distributed temperature and strain tracking using direct detection phase-sensitive OTDR with chirped pulses.

Optics express

Pastor-Graells J, Martins HF, Garcia-Ruiz A, Martin-Lopez S, Gonzalez-Herraez M.
PMID: 27410330
Opt Express. 2016 Jun 13;24(12):13121-33. doi: 10.1364/OE.24.013121.

So far, the optical pulses used in phase-sensitive OTDR (ΦOTDR) were typically engineered so as to have a constant phase along the pulse. In this work, it is demonstrated that by acting on the phase profile of the optical...

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Pastor-Graells J, Martins HF, Garcia-Ruiz A, et al. Single-shot distributed temperature and strain tracking using direct detection phase-sensitive OTDR with chirped pulses. Opt Express. 2016;24(12):13121-33doi: 10.1364/OE.24.013121.
Pastor-Graells, J., Martins, H. F., Garcia-Ruiz, A., Martin-Lopez, S., & Gonzalez-Herraez, M. (2016). Single-shot distributed temperature and strain tracking using direct detection phase-sensitive OTDR with chirped pulses. Optics express, 24(12), 13121-33. https://doi.org/10.1364/OE.24.013121
Pastor-Graells, J, et al. "Single-shot distributed temperature and strain tracking using direct detection phase-sensitive OTDR with chirped pulses." Optics express vol. 24,12 (2016): 13121-33. doi: https://doi.org/10.1364/OE.24.013121
Pastor-Graells J, Martins HF, Garcia-Ruiz A, Martin-Lopez S, Gonzalez-Herraez M. Single-shot distributed temperature and strain tracking using direct detection phase-sensitive OTDR with chirped pulses. Opt Express. 2016 Jun 13;24(12):13121-33. doi: 10.1364/OE.24.013121. PMID: 27410330.
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Experimental investigation of the effect of pump incoherence on nonlinear pump spectral broadening and continuous-wave supercontinuum generation.

Optics letters

Martin-Lopez S, Carrasco-Sanz A, Corredera P, Abrardi L, Hernanz ML, Gonzalez-Herraez M.
PMID: 17099755
Opt Lett. 2006 Dec 01;31(23):3477-9. doi: 10.1364/ol.31.003477.

The development of high-power cw fiber lasers has triggered a great interest in the phenomena of nonlinear pump spectral broadening and cw supercontinuum generation. These effects have very convenient applications in Raman amplification, optical fiber metrology, and fiber sensing....

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Martin-Lopez S, Carrasco-Sanz A, Corredera P, et al. Experimental investigation of the effect of pump incoherence on nonlinear pump spectral broadening and continuous-wave supercontinuum generation. Opt Lett. 2006;31(23):3477-9doi: 10.1364/ol.31.003477.
Martin-Lopez, S., Carrasco-Sanz, A., Corredera, P., Abrardi, L., Hernanz, M. L., & Gonzalez-Herraez, M. (2006). Experimental investigation of the effect of pump incoherence on nonlinear pump spectral broadening and continuous-wave supercontinuum generation. Optics letters, 31(23), 3477-9. https://doi.org/10.1364/ol.31.003477
Martin-Lopez, S, et al. "Experimental investigation of the effect of pump incoherence on nonlinear pump spectral broadening and continuous-wave supercontinuum generation." Optics letters vol. 31,23 (2006): 3477-9. doi: https://doi.org/10.1364/ol.31.003477
Martin-Lopez S, Carrasco-Sanz A, Corredera P, Abrardi L, Hernanz ML, Gonzalez-Herraez M. Experimental investigation of the effect of pump incoherence on nonlinear pump spectral broadening and continuous-wave supercontinuum generation. Opt Lett. 2006 Dec 01;31(23):3477-9. doi: 10.1364/ol.31.003477. PMID: 17099755.
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Detrimental effect of self-phase modulation on the performance of Brillouin distributed fiber sensors.

Optics letters

Foaleng SM, Rodríguez-Barrios F, Martin-Lopez S, González-Herráez M, Thévenaz L.
PMID: 21263465
Opt Lett. 2011 Jan 15;36(2):97-9. doi: 10.1364/OL.36.000097.

We show that the spectral broadening of the pump pulse through self-phase modulation in a time-domain distributed Brillouin sensor has a considerably detrimental effect in the measurement, especially in the case of long distances and high-resolution pulses. Using 30...

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Foaleng SM, Rodríguez-Barrios F, Martin-Lopez S, et al. Detrimental effect of self-phase modulation on the performance of Brillouin distributed fiber sensors. Opt Lett. 2011;36(2):97-9doi: 10.1364/OL.36.000097.
Foaleng, S. M., Rodríguez-Barrios, F., Martin-Lopez, S., González-Herráez, M., & Thévenaz, L. (2011). Detrimental effect of self-phase modulation on the performance of Brillouin distributed fiber sensors. Optics letters, 36(2), 97-9. https://doi.org/10.1364/OL.36.000097
Foaleng, Stella M, et al. "Detrimental effect of self-phase modulation on the performance of Brillouin distributed fiber sensors." Optics letters vol. 36,2 (2011): 97-9. doi: https://doi.org/10.1364/OL.36.000097
Foaleng SM, Rodríguez-Barrios F, Martin-Lopez S, González-Herráez M, Thévenaz L. Detrimental effect of self-phase modulation on the performance of Brillouin distributed fiber sensors. Opt Lett. 2011 Jan 15;36(2):97-9. doi: 10.1364/OL.36.000097. PMID: 21263465.
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[Hip fractures in patients treated with antipsychotic drugs. Study of retrospective cohorts in Catalonia].

Atencion primaria

González Tejón S, Ibarra Jato M, Fernández San Martín MI, Prats Uribe A, Real Gatius J, Martin-Lopez LM.
PMID: 34798403
Aten Primaria. 2021 Nov 16;54(2):102171. doi: 10.1016/j.aprim.2021.102171. Epub 2021 Nov 16.

OBJECTIVE: To evaluate the incidence of hip fracture in patients with antipsychotic treatment, comparing it with that of individuals who have not been treated with antipsychotics.DESIGN: Retrospective cohort study of patients treated with antipsychotic drugs (TAP) and patients without...

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González Tejón S, Ibarra Jato M, Fernández San Martín MI, et al. Fracturas de cadera en pacientes tratados con fármacos antipsicóticos. Estudio de cohortes históricas en Cataluña. [Hip fractures in patients treated with antipsychotic drugs. Study of retrospective cohorts in Catalonia]. Aten Primaria. 2021;54(2):102171doi: 10.1016/j.aprim.2021.102171.
González Tejón, S., Ibarra Jato, M., Fernández San Martín, M. I., Prats Uribe, A., Real Gatius, J., & Martin-Lopez, L. M. (2021). Fracturas de cadera en pacientes tratados con fármacos antipsicóticos. Estudio de cohortes históricas en Cataluña. [Hip fractures in patients treated with antipsychotic drugs. Study of retrospective cohorts in Catalonia]. Atencion primaria, 54(2), 102171. https://doi.org/10.1016/j.aprim.2021.102171
González Tejón, Susana, et al. "Fracturas de cadera en pacientes tratados con fármacos antipsicóticos. Estudio de cohortes históricas en Cataluña." [Hip fractures in patients treated with antipsychotic drugs. Study of retrospective cohorts in Catalonia]. Atencion primaria vol. 54,2 (2021): 102171. doi: https://doi.org/10.1016/j.aprim.2021.102171
González Tejón S, Ibarra Jato M, Fernández San Martín MI, Prats Uribe A, Real Gatius J, Martin-Lopez LM. Fracturas de cadera en pacientes tratados con fármacos antipsicóticos. Estudio de cohortes históricas en Cataluña. [Hip fractures in patients treated with antipsychotic drugs. Study of retrospective cohorts in Catalonia]. Aten Primaria. 2021 Nov 16;54(2):102171. doi: 10.1016/j.aprim.2021.102171. Epub 2021 Nov 16. Spanish. PMID: 34798403; PMCID: PMC8605286.
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Pluripotent Stem Cells for Spinal Cord Injury Repair.

Cells

Martin-Lopez M, Fernandez-Muñoz B, Canovas S.
PMID: 34943842
Cells. 2021 Nov 27;10(12). doi: 10.3390/cells10123334.

Spinal cord injury (SCI) is a devastating condition of the central nervous system that strongly reduces the patient's quality of life and has large financial costs for the healthcare system. Cell therapy has shown considerable therapeutic potential for SCI...

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Martin-Lopez M, Fernandez-Muñoz B, Canovas S. Pluripotent Stem Cells for Spinal Cord Injury Repair. Cells. 2021;10(12)doi: 10.3390/cells10123334.
Martin-Lopez, M., Fernandez-Muñoz, B., & Canovas, S. (2021). Pluripotent Stem Cells for Spinal Cord Injury Repair. Cells, 10(12), . https://doi.org/10.3390/cells10123334
Martin-Lopez, Maria, et al. "Pluripotent Stem Cells for Spinal Cord Injury Repair." Cells vol. 10,12 (2021). doi: https://doi.org/10.3390/cells10123334
Martin-Lopez M, Fernandez-Muñoz B, Canovas S. Pluripotent Stem Cells for Spinal Cord Injury Repair. Cells. 2021 Nov 27;10(12). doi: 10.3390/cells10123334. PMID: 34943842.
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Quadratic phase coding for SNR improvement in time-expanded phase-sensitive OTDR.

Optics letters

Soriano-Amat M, Martins HF, Durán V, Martin-Lopez S, Gonzalez-Herraez M, Fernández-Ruiz MR.
PMID: 34470027
Opt Lett. 2021 Sep 01;46(17):4406-4409. doi: 10.1364/OL.432350.

Time-expanded phase-sensitive optical time-domain reflectometry (

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Soriano-Amat M, Martins HF, Durán V, et al. Quadratic phase coding for SNR improvement in time-expanded phase-sensitive OTDR. Opt Lett. 2021;46(17):4406-4409doi: 10.1364/OL.432350.
Soriano-Amat, M., Martins, H. F., Durán, V., Martin-Lopez, S., Gonzalez-Herraez, M., & Fernández-Ruiz, M. R. (2021). Quadratic phase coding for SNR improvement in time-expanded phase-sensitive OTDR. Optics letters, 46(17), 4406-4409. https://doi.org/10.1364/OL.432350
Soriano-Amat, Miguel, et al. "Quadratic phase coding for SNR improvement in time-expanded phase-sensitive OTDR." Optics letters vol. 46,17 (2021): 4406-4409. doi: https://doi.org/10.1364/OL.432350
Soriano-Amat M, Martins HF, Durán V, Martin-Lopez S, Gonzalez-Herraez M, Fernández-Ruiz MR. Quadratic phase coding for SNR improvement in time-expanded phase-sensitive OTDR. Opt Lett. 2021 Sep 01;46(17):4406-4409. doi: 10.1364/OL.432350. PMID: 34470027.
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Distributed detection of hydrogen and deuterium diffusion into a single-mode optical fiber with chirped-pulse phase-sensitive optical time-domain reflectometry.

Optics letters

Garcia-Ruiz A, Morana A, Costa L, Martins HF, Martin-Lopez S, Gonzalez-Herraez M, Boukenter A, Ouerdane Y, Girard S.
PMID: 31674989
Opt Lett. 2019 Nov 01;44(21):5286-5289. doi: 10.1364/OL.44.005286.

For some infrastructures such as oil and gas extraction boreholes or radioactive waste repositories, where distributed optical fiber sensors are employed to grant the safety of the facilities, the presence of gas species such as hydrogen or deuterium is...

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Garcia-Ruiz A, Morana A, Costa L, et al. Distributed detection of hydrogen and deuterium diffusion into a single-mode optical fiber with chirped-pulse phase-sensitive optical time-domain reflectometry. Opt Lett. 2019;44(21):5286-5289doi: 10.1364/OL.44.005286.
Garcia-Ruiz, A., Morana, A., Costa, L., Martins, H. F., Martin-Lopez, S., Gonzalez-Herraez, M., Boukenter, A., Ouerdane, Y., & Girard, S. (2019). Distributed detection of hydrogen and deuterium diffusion into a single-mode optical fiber with chirped-pulse phase-sensitive optical time-domain reflectometry. Optics letters, 44(21), 5286-5289. https://doi.org/10.1364/OL.44.005286
Garcia-Ruiz, A, et al. "Distributed detection of hydrogen and deuterium diffusion into a single-mode optical fiber with chirped-pulse phase-sensitive optical time-domain reflectometry." Optics letters vol. 44,21 (2019): 5286-5289. doi: https://doi.org/10.1364/OL.44.005286
Garcia-Ruiz A, Morana A, Costa L, Martins HF, Martin-Lopez S, Gonzalez-Herraez M, Boukenter A, Ouerdane Y, Girard S. Distributed detection of hydrogen and deuterium diffusion into a single-mode optical fiber with chirped-pulse phase-sensitive optical time-domain reflectometry. Opt Lett. 2019 Nov 01;44(21):5286-5289. doi: 10.1364/OL.44.005286. PMID: 31674989.
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Towards Distributed Measurements of Electric Fields Using Optical Fibers: Proposal and Proof-Of-Concept Experiment.

Sensors (Basel, Switzerland)

Magalhães R, Pereira J, Tarasenko O, Martin-Lopez S, González-Herráez M, Margulis W, Fidalgo Martins H.
PMID: 32785042
Sensors (Basel). 2020 Aug 10;20(16). doi: 10.3390/s20164461.

Nowadays there is an increasing demand for the cost-effective monitoring of potential threats to the integrity of high-voltage networks and electric power infrastructures. Optical fiber sensors are a particularly interesting solution for applications in these environments, due to their...

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Magalhães R, Pereira J, Tarasenko O, et al. Towards Distributed Measurements of Electric Fields Using Optical Fibers: Proposal and Proof-Of-Concept Experiment. Sensors (Basel). 2020;20(16)doi: 10.3390/s20164461.
Magalhães, R., Pereira, J., Tarasenko, O., Martin-Lopez, S., González-Herráez, M., Margulis, W., & Fidalgo Martins, H. (2020). Towards Distributed Measurements of Electric Fields Using Optical Fibers: Proposal and Proof-Of-Concept Experiment. Sensors (Basel, Switzerland), 20(16), . https://doi.org/10.3390/s20164461
Magalhães, Regina, et al. "Towards Distributed Measurements of Electric Fields Using Optical Fibers: Proposal and Proof-Of-Concept Experiment." Sensors (Basel, Switzerland) vol. 20,16 (2020). doi: https://doi.org/10.3390/s20164461
Magalhães R, Pereira J, Tarasenko O, Martin-Lopez S, González-Herráez M, Margulis W, Fidalgo Martins H. Towards Distributed Measurements of Electric Fields Using Optical Fibers: Proposal and Proof-Of-Concept Experiment. Sensors (Basel). 2020 Aug 10;20(16). doi: 10.3390/s20164461. PMID: 32785042; PMCID: PMC7472488.
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Cavity dispersion management in continuous-wave supercontinuum generation.

Optics express

Martin-Lopez S, Corredera P, Gonzalez-Herraez M.
PMID: 19654684
Opt Express. 2009 Jul 20;17(15):12785-93. doi: 10.1364/oe.17.012785.

Supercontinuum generation using continuous-wave pumping is usually obtained by pumping a suitable fiber with a high-power fiber laser. Whereas many studies have concentrated in optimizing the dispersion characteristics of the nonlinear medium (the fiber) used to obtain the spectral...

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Martin-Lopez S, Corredera P, Gonzalez-Herraez M. Cavity dispersion management in continuous-wave supercontinuum generation. Opt Express. 2009;17(15):12785-93doi: 10.1364/oe.17.012785.
Martin-Lopez, S., Corredera, P., & Gonzalez-Herraez, M. (2009). Cavity dispersion management in continuous-wave supercontinuum generation. Optics express, 17(15), 12785-93. https://doi.org/10.1364/oe.17.012785
Martin-Lopez, Sonia, et al. "Cavity dispersion management in continuous-wave supercontinuum generation." Optics express vol. 17,15 (2009): 12785-93. doi: https://doi.org/10.1364/oe.17.012785
Martin-Lopez S, Corredera P, Gonzalez-Herraez M. Cavity dispersion management in continuous-wave supercontinuum generation. Opt Express. 2009 Jul 20;17(15):12785-93. doi: 10.1364/oe.17.012785. PMID: 19654684.
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SNR enhancement in high-resolution phase-sensitive OTDR systems using chirped pulse amplification concepts.

Optics letters

Pastor-Graells J, Cortés LR, Fernández-Ruiz MR, Martins HF, Azaña J, Martin-Lopez S, Gonzalez-Herraez M.
PMID: 28454146
Opt Lett. 2017 May 01;42(9):1728-1731. doi: 10.1364/OL.42.001728.

Phase-sensitive optical time-domain reflectometry (φOTDR) is widely used for the distributed detection of mechanical or environmental variations with resolutions of typically a few meters. The spatial resolution of these distributed sensors is related to the temporal width of the...

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Pastor-Graells J, Cortés LR, Fernández-Ruiz MR, et al. SNR enhancement in high-resolution phase-sensitive OTDR systems using chirped pulse amplification concepts. Opt Lett. 2017;42(9):1728-1731doi: 10.1364/OL.42.001728.
Pastor-Graells, J., Cortés, L. R., Fernández-Ruiz, M. R., Martins, H. F., Azaña, J., Martin-Lopez, S., & Gonzalez-Herraez, M. (2017). SNR enhancement in high-resolution phase-sensitive OTDR systems using chirped pulse amplification concepts. Optics letters, 42(9), 1728-1731. https://doi.org/10.1364/OL.42.001728
Pastor-Graells, Juan, et al. "SNR enhancement in high-resolution phase-sensitive OTDR systems using chirped pulse amplification concepts." Optics letters vol. 42,9 (2017): 1728-1731. doi: https://doi.org/10.1364/OL.42.001728
Pastor-Graells J, Cortés LR, Fernández-Ruiz MR, Martins HF, Azaña J, Martin-Lopez S, Gonzalez-Herraez M. SNR enhancement in high-resolution phase-sensitive OTDR systems using chirped pulse amplification concepts. Opt Lett. 2017 May 01;42(9):1728-1731. doi: 10.1364/OL.42.001728. PMID: 28454146.
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PROUD-based method for simple real-time in-line characterization of propagation-induced distortions in NRZ data signals.

Optics letters

Martins HF, Pastor-Graells J, Cortés LR, Piote D, Martin-Lopez S, Azaña J, Gonzalez-Herraez M.
PMID: 26371935
Opt Lett. 2015 Sep 15;40(18):4356-9. doi: 10.1364/OL.40.004356.

A simple, in-line method for real-time full characterization (amplitude and phase) of propagation distortions arising because of group velocity dispersion and self-phase modulation on 10-20 Gbps transmitted NRZ optical signals is reported. It is based on phase reconstruction using...

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Martins HF, Pastor-Graells J, Cortés LR, et al. PROUD-based method for simple real-time in-line characterization of propagation-induced distortions in NRZ data signals. Opt Lett. 2015;40(18):4356-9doi: 10.1364/OL.40.004356.
Martins, H. F., Pastor-Graells, J., Cortés, L. R., Piote, D., Martin-Lopez, S., Azaña, J., & Gonzalez-Herraez, M. (2015). PROUD-based method for simple real-time in-line characterization of propagation-induced distortions in NRZ data signals. Optics letters, 40(18), 4356-9. https://doi.org/10.1364/OL.40.004356
Martins, Hugo F, et al. "PROUD-based method for simple real-time in-line characterization of propagation-induced distortions in NRZ data signals." Optics letters vol. 40,18 (2015): 4356-9. doi: https://doi.org/10.1364/OL.40.004356
Martins HF, Pastor-Graells J, Cortés LR, Piote D, Martin-Lopez S, Azaña J, Gonzalez-Herraez M. PROUD-based method for simple real-time in-line characterization of propagation-induced distortions in NRZ data signals. Opt Lett. 2015 Sep 15;40(18):4356-9. doi: 10.1364/OL.40.004356. PMID: 26371935.
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Showing 1 to 12 of 41 entries