Search Results - "Bernal, Olivier D."

High Resolution Laser Self-Mixing Displacement Sensor Under Large Variation in Optical Feedback and Speckle by Amin, Saqib, Zabit, Usman, Bernal, Olivier D., Hussain, Tassadaq

“…Self-Mixing interferometry (SMI) signal characteristics are highly dependent on both the operating optical regime and target surface. In this paper, a method…”
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Fringe Detection and Displacement Sensing for Variable Optical Feedback-Based Self-Mixing Interferometry by Using Deep Neural Networks by Siddiqui, Asra Abid, Zabit, Usman, Bernal, Olivier D

“…Laser feedback-based self-mixing interferometry (SMI) is a promising technique for displacement sensing. However, commercial deployment of such sensors is…”
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Toward an Estimation of the Optical Feedback Factor C on the Fly for Displacement Sensing by Bernal, Olivier D., Zabit, Usman, Jayat, Francis, Bosch, Thierry

“…In this paper, a method based on the inherent event-based sampling capability of laser optical feedback interferometry (OFI) is proposed to assess the optical…”
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Direct Estimation of the Optical Feedback Factor C from the Amplitude of the Optical Feedback Interferometric Signal by Bernal, Olivier, Seat, Han Cheng, Zabit, Usman, Surre, Frederic

“…In this paper, we combine the intrinsic properties of the optical feedback factor C with a pre-calibration technique to assess the value of C when the laser…”
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Author Correction: Comprehensive Modeling of Multimode Fiber Sensors for Refractive Index Measurement and Experimental Validation by Apriyanto, Haris, Ravet, Gautier, Bernal, Olivier D., Cattoen, Michel, Seat, Han Cheng, Chavagnac, Valérie, Surre, Frederic, Sharp, James H.

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Variable Optical Feedback-Based Behavioral Model of a Self-Mixing Laser Sensor by Haider, Usman, Zabit, Usman, Bernal, Olivier D.

“…In this paper, a unified behavioral model of laser feedback based self-mixing interferometry (SMI) is proposed which is able to accurately model the SMI sensor…”
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Nanometric Vibration Sensing Using Spectral Processing of Laser Self-Mixing Feedback Phase by Ali, Nauman, Zabit, Usman, Bernal, Olivier D.

“…In this paper, a method is proposed to recover displacements with nanometric precision based on spectral analysis of the feedback phase of self-mixing laser…”
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Sub-λ/2 Displacement Sensor With Nanometric Precision Based on Optical Feedback Interferometry Used as a Non-Uniform Event-Based Sampling System by Bernal, Olivier D., Zabit, Usman, Jayat, Francis, Bosch, Thierry

“…In this paper, a method based on the inherent event-based sampling capability of the laser optical feedback interferometry (OFI) is proposed to recover…”
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Detection of Multimodal Fringes for Self-Mixing-Based Vibration Measurement by Usman, Muhammad, Zabit, Usman, Bernal, Olivier D., Raja, Gulistan, Bosch, Thierry

“…Correct detection of interferometric fringes is necessary to enable high-resolution metric measurements using laser diode (LD)-based self-mixing (SM)…”
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Integrated Width-Modulated SiN Long Period Grating Designed for Refractometric Applications by Deleau, Clement, Seat, Han Cheng, Surre, Frederic, Tap, Helene, Bernal, Olivier D.

“…A novel integrated photonic structure based on Long Period Waveguide Gratings (LPWGs) relying on channel-width modulation is proposed and tested for…”
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Augmentation assisted robust fringe detection on unseen experimental signals applied to optical feedback interferometry using a deep network by Khurshid, Sumair Saeed, Hussain, Wajahat, Zabit, Usman, Bernal, Olivier D.

“…Commercialization and industrial deployment of optical feedback interferometry or self-mixing interferometry (SMI) based displacement instruments is held back…”
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Spectral Processing of Self-Mixing Interferometric Signal Phase for Improved Vibration Sensing Under Weak- and Moderate-Feedback Regime by Zabit, Usman, Bernal, Olivier D., Amin, Saqib, Qureshi, Muhammad Farrukh, Khawaja, Arsalan Habib, Bosch, Thierry

“…In this paper, spectral processing of laser Self-Mixing (SM) interferometric signal phase has been carried out allowing better measurement accuracy for…”
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Adaptive Estimation and Reduction of Noises Affecting a Self-Mixing Interferometric Laser Sensor by Khan, Zohaib A., Zabit, Usman, Bernal, Olivier D., Hussain, Tassadaq

“…Experimental Self-Mixing (SM) or optical feedback interferometric signals are usually affected by additive white Gaussian noise (AWGN) and impulsive noise…”
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Analysis and Implementation of a Direct Phase Unwrapping Method for Displacement Measurement Using Self-Mixing Interferometry by Ehtesham, Ayesha, Zabit, Usman, Bernal, Olivier D., Raja, Gulistan, Bosch, Thierry

“…Self-mixing or optical feedback interferometry has been widely used for displacement and velocity measurement applications. For metric information retrieval…”
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Integration of Zero Crossing Method in a Nonuniform Sampling System Using Optical Feedback Interferometry by Bazaz, Hajira S., Fatimah, Mohaimen M., Asim, Layba, Zabit, Usman, Bernal, Olivier D.

“…In this article, a zero-crossing (ZC)-based method is proposed to improve the displacement sensing performance of nonuniform sampling (NUS) theory-based use of…”
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Integration of Zero Crossing Method in a Non-Uniform Sampling System using Optical Feedback Interferometry by Bazaz, Hajira S., Fatimah, Mohaimen M., Asim, Layba, Zabit, Usman, Bernal, Olivier D.

“…In this paper, a zero-crossings based method is proposed to improve the displacement sensing performance of non-uniform sampling (NUS) theory based use of…”
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Automatic Detection of Multi-Modality in Self-Mixing Interferometer by Zabit, Usman, Shaheen, Khadija, Naveed, Maryam, Bernal, Olivier D., Bosch, Thierry

“…Laser feedback-based self-mixing interferometry (SMI) has been demonstrated for diverse metric sensing applications. Typically, SMI sensors are based on such…”
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Adaptive Cancellation of Parasitic Vibrations Affecting a Self-Mixing Interferometric Laser Sensor by Khan, Zohaib Ahmad, Zabit, Usman, Bernal, Olivier D., Ullah, Muhammad Obaid, Bosch, Thierry

“…In this paper, an adaptive method of cancellation of parasitic vibrations is presented for a self-mixing (SM) interferometric laser vibration sensor that has…”
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All Analog Processing of Speckle Affected Self-Mixing Interferometric Signals by Siddiqui, Asra A., Zabit, Usman, Bernal, Olivier D., Raja, Gulistan, Bosch, Thierry

“…Self-mixing (SM) or optical feedback interferometry has been extensively used for high precision displacement and vibration sensing. However, presence of…”
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Splice Loss Investigation of Single-Mode Fiber and Photonic Crystal Fibers and Its Potential Refractometric Sensing Applications by Apriyanto, Haris, Bernal, Olivier D., Cattoen, Michel, Surre, Frederic, Seat, Han Cheng

“…In this letter, we theoretically and experimentally investigate the splicing loss mechanism from a single-mode fiber (SMF) coupled to an endlessly single-mode…”
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