Search Results - "Herrera, Oscar"

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    Spin-to-orbital angular momentum conversion in focusing, scattering, and imaging systems by Bliokh, Konstantin Y, Ostrovskaya, Elena A, Alonso, Miguel A, Rodríguez-Herrera, Oscar G, Lara, David, Dainty, Chris

    Published in Optics express (19-12-2011)
    “…We present a general theory of spin-to-orbital angular momentum (AM) conversion of light in focusing, scattering, and imaging optical systems. Our theory…”
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    Journal Article
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    Scene-adaptive spatially channeled imaging Mueller polarimeter by Tyo, J Scott, Rodríguez-Herrera, Oscar G, Flannery, Connor, Kurtz, Joe, Alenin, Andrey S

    Published in Optics express (03-07-2023)
    “…A spatially adaptive Mueller matrix imaging polarimeter is described, simulated, and demonstrated with preliminary experiments. The system uses a spatial light…”
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    Optical nanoprobing via spin-orbit interaction of light by Rodríguez-Herrera, Oscar G, Lara, David, Bliokh, Konstantin Y, Ostrovskaya, Elena A, Dainty, Chris

    Published in Physical review letters (22-06-2010)
    “…We show, both theoretically and experimentally, that high-numerical-aperture (NA) optical microscopy is accompanied by strong spin-orbit interaction of light,…”
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    Structural, dielectric, ferroelectric and optical properties of Er doped BiFeO3 nanoparticles by Sharma, Subhash, Siqueiros, J.M., Herrera, Oscar Raymond

    Published in Journal of alloys and compounds (05-02-2021)
    “…In this work, an effort has been made to show the effect of Er doping on the dielectric, electrical, ferroelectric, and optical properties of BiFeO3 (BFO)…”
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    Fractional Derivative Gradient-Based Optimizers for Neural Networks and Human Activity Recognition by Herrera-Alcántara, Oscar

    Published in Applied sciences (01-09-2022)
    “…In this paper, fractional calculus principles are considered to implement fractional derivative gradient optimizers for the Tensorflow backend. The performance…”
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    Phase evolution, magnetic study and evidence of spin-two phonon coupling in Ca modified Bi0.80La0.20FeO3 ceramics by Sharma, Subhash, Kumar, Manish, Siqueiros, J.M., Herrera, Oscar Raymond

    Published in Journal of alloys and compounds (25-06-2020)
    “…The present studies are focused on the effect of divalent Ca2+ ion on the structural, magnetic, and optical properties of Bi0.80La0.20FeO3 (BLFO) ceramic…”
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    3D printed gradient index glass optics by Dylla-Spears, Rebecca, Yee, Timothy D., Sasan, Koroush, Nguyen, Du T., Dudukovic, Nikola A., Ortega, Jason M., Johnson, Michael A., Herrera, Oscar D., Ryerson, Frederick J., Wong, Lana L.

    Published in Science advances (20-11-2020)
    “…Multimaterial 3D printing enables a novel approach to fabrication of glass optics with tailored refractive index gradients. We demonstrate an additive…”
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    Permitted experimental errors for optimized variable-retarder Mueller-matrix polarimeters by Bruce, Neil C, López-Téllez, Juan Manuel, Rodríguez-Núñez, Omar, Rodríguez-Herrera, Oscar G

    Published in Optics express (28-05-2018)
    “…An optimized Mueller-matrix polarimeter is simulated. The polarimeter is optimized by finding the configurations of the polarization state generator and…”
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    Adaptive Morphing Activation Function for Neural Networks by Herrera-Alcántara, Oscar, Arellano-Balderas, Salvador

    Published in Fractal and fractional (01-08-2024)
    “…A novel morphing activation function is proposed, motivated by the wavelet theory and the use of wavelets as activation functions. Morphing refers to the…”
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    Microglia and Cholesterol Handling: Implications for Alzheimer's Disease by Muñoz Herrera, Oscar M, Zivkovic, Angela M

    Published in Biomedicines (01-12-2022)
    “…Cholesterol is essential for brain function and structure, however altered cholesterol metabolism and transport are hallmarks of multiple neurodegenerative…”
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    Use of anaerobic co-digestion as an alternative to add value to sugarcane biorefinery wastes by Adarme, Oscar Fernando Herrera, Baêta, Bruno Eduardo Lobo, Filho, Jose Balena Gabriel, Gurgel, Leandro Vinícius Alves, Aquino, Sérgio Francisco de

    Published in Bioresource technology (01-09-2019)
    “…[Display omitted] •The anaerobic co-digestion (AcD) of sugarcane biorefinery wastes was investigated.•Hemicelluloses hydrolysate, yeast extract (YE), vinasse…”
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    Generation of achromatic, uniform-phase, radially polarized beams by Wakayama, Toshitaka, Rodríguez-Herrera, Oscar G, Tyo, J Scott, Otani, Yukitoshi, Yonemura, Motoki, Yoshizawa, Toru

    Published in Optics express (10-02-2014)
    “…Axially symmetric half-wave plates have been used to generate radially polarized beams that have constant phase in the plane transverse to propagation…”
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    Acute and Repeated 28-Day Oral Dose Toxicity Studies of Thymus vulgaris L. Essential Oil in Rats by Juan Rojas-Armas, Jorge Arroyo-Acevedo, Manuel Ortiz-Sanchez, Miriam Palomino-Pacheco, Americo Castro-Luna, Norma Ramos-Cevallos, Hugo Justil-Guerrero, Julio Hilario-Vargas, Oscar Herrera-Calderon

    Published in Toxicological research (Seoul) (01-07-2019)
    “…Thymus vulgaris L. is widely used as an ingredient in cooking and in herbal medicine. However, there is little information about its toxicity. The present…”
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    Plasma Citrulline Concentrations in Neonates With or Without Gastrointestinal Disease During Periods of Parenteral and Enteral Nutrition by Herrera, Oscar R., Talati, Ajay J., Helms, Richard A.

    “…Introduction Citrulline is synthesized primarily in enterocytes. Retrospective work revealed higher plasma concentrations in patients without gastrointestinal…”
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    Comparison of catheter‐related bloodstream infection rates in pediatric patients receiving parenteral nutrition with soybean oil‐based intravenous fat emulsion versus a mixed oil fat emulsion by Alvira‐Arill, Gustavo R., Herrera, Oscar R., Tsang, Chi Chun Steve, Wang, Junling, Peters, Brian M., Stultz, Jeremy S.

    Published in Pharmacotherapy (01-12-2022)
    “…Study Objective To compare rates of catheter‐related bloodstream infections (CR‐BSI) in pediatric patients who received parenteral nutrition (PN) with either…”
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