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Output feedback control for a nonlinear optical interferometry system
G Flores, M Rakotondrabe - IEEE Control Systems Letters, 2020 - ieeexplore.ieee.org
In an interferometer system, the interferometer's phase stores essential information of an
object of interest. Hence, one of the fundamental optical interferometry problems is to …
object of interest. Hence, one of the fundamental optical interferometry problems is to …
All digital sliding mode observer of a feedback-free interferometer for high dynamic range detection
LHV Felão, RI Martin, GA Martinez, JMS Sakamoto… - Optics Letters, 2022 - opg.optica.org
A passive interferometry phase detection method is presented, which emulates the closed-
loop high gain approach technique. This method comprises an all-digital closed-loop …
loop high gain approach technique. This method comprises an all-digital closed-loop …
Wide dynamic range quadrature interferometer with high-gain approach and sliding mode control
LHV Felão, RI Martin, JMS Sakamoto, MCM Teixeira… - Optics …, 2019 - opg.optica.org
The present work concerns with the modeling, development and application of a novel
control strategy based on sliding mode control, for two beam quadrature interferometers …
control strategy based on sliding mode control, for two beam quadrature interferometers …
Characterization of a thin-film metal-coated fiber optical phase modulator based on thermal effect with a nonlinear control interferometer
GFS Nunes, VB Palma, RI Martin, LHV Felão… - Applied Optics, 2021 - opg.optica.org
In this work, an optical fiber was coated by a thin-film metal layer to work as a fiber optical
phase modulator based on thermal effect. This device was assembled in one of the arms of …
phase modulator based on thermal effect. This device was assembled in one of the arms of …
Variable structure and sliding modes nonlinear control system applied to a fiber optic interferometer
RI Martin, JMS Sakamoto… - … on Applications of …, 2017 - spiedigitallibrary.org
In this work, we present the application of a nonlinear control system, based on variable
structure control and sliding modes, to a fiber optic Mach-Zehnder interferometer. We …
structure control and sliding modes, to a fiber optic Mach-Zehnder interferometer. We …
Digital control system for two-beam optical interferometry using variable structure and sliding modes method
SS Lyra, RI Martin, FC Pereira… - … , RF, Millimeter, and …, 2019 - spiedigitallibrary.org
Laser interferometry is recognized as an extremely sensitive measurement technique,
capable of detecting quantities that conventional sensors usually cannot. However, such …
capable of detecting quantities that conventional sensors usually cannot. However, such …
Development of a Fiber Optic Inertial Measurement Unit for Space Applications
J Sakamoto, G Fernandes, R Silva… - … Optics and Photonics …, 2024 - ieeexplore.ieee.org
In this work, we present the development of a fiber optic inertial measurement unit (IMU), for
space application. The IMU comprises three orthogonal closed-loop interferometric fiber …
space application. The IMU comprises three orthogonal closed-loop interferometric fiber …
Enlarging the frequency dynamic range of DMZI sensors based on the switching control feedback system
Z Zhang, Y Liang, S **, Z Yang, Q Zhang, X Hong… - Applied Optics, 2022 - opg.optica.org
The feedback loop in dual Mach–Zehnder interferometer (DMZI) sensors stabilizes the
system operating at the quadratic point for the highest sensitivity but requires the minimum …
system operating at the quadratic point for the highest sensitivity but requires the minimum …
Fiber Optic Seismometer Based on Nonlinear Control Interferometry
GFS Nunes, RC Ettori, JMS Sakamoto - Frontiers in Optics, 2022 - opg.optica.org
Fiber Optic Seismometer Based on Nonlinear Control Interferometry Page 1 Fiber Optic
Seismometer Based on Nonlinear Control Interferometry Gabriel FS Nunes1,2,†, Rafael C. Ettori1,2 …
Seismometer Based on Nonlinear Control Interferometry Gabriel FS Nunes1,2,†, Rafael C. Ettori1,2 …
Interferometric Fiber Optic Accelerometer with Nonlinear Control
GFS Nunes, RC Ettori, JMS Sakamoto - Latin America Optics and …, 2022 - opg.optica.org
Interferometric Fiber Optic Accelerometer with Nonlinear Control Page 1 Interferometric Fiber
Optic Accelerometer with Nonlinear Control Gabriel FS Nunes†,1,2, Rafael C. Ettori1,2, Joao MS …
Optic Accelerometer with Nonlinear Control Gabriel FS Nunes†,1,2, Rafael C. Ettori1,2, Joao MS …