Listar INIT_Articles por autoría "8301d4d0-357a-4c0b-ab9f-ff170668666d"
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Analysis of practical fractional vortex beams at far field
Elsevier ScienceDirect (2022-07-20)The subject of calculating the topological charge (TC) or vortex strength of optical vortices has generated divided opinions among scientists. This is due to the fact that proper analytical results are hard to support from ... -
Compressive holography with a single-pixel detector
Optical Society of America (2013)This Letter develops a framework for digital holography at optical wavelengths by merging phase-shifting interferometry with single-pixel optical imaging based on compressive sensing. The field diffracted by an input object ... -
Compressive imaging in scattering media
Optical Society of America (2015)One challenge that has long held the attention of scientists is that of clearly seeing objects hidden by turbid media, as smoke, fog or biological tissue, which has major implications in fields such as remote sensing or ...
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Computational based time-resolved multispectral fluorescence microscopy
American Institute of Physics (2023-04)Multispectral imaging and time-resolved imaging are two common acquisition schemes in fluorescence microscopy, and their combination can be beneficial to increase specificity. The multidimensionality of the dataset (space, ...
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Computational imaging with a balanced detector
Nature Publishing (2016-06-29)Single-pixel cameras allow to obtain images in a wide range of challenging scenarios, including broad regions of the electromagnetic spectrum and through scattering media. However, there still exist several drawbacks that ...
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Diffractive digital lensless holographic microscopy with fine spectral tuning
Optical Society of America (2013)We experimentally demonstrate an all-diffractive optical setup for digital lensless holographic microscopy with easy wavelength line selection and micrometric resolution. In the proposed system, an ultrashort laser pulse ...
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Dual-mode optical microscope based on single-pixel imaging
Elsevier (2016-03)We demonstrate an inverted microscope that can image specimens in both reflection and transmission modes simultaneously with a single light source. The microscope utilizes a digital micromirror device (DMD) for patterned ...
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Dynamics of Fractional Vortex Beams at Fraunhofer Diffraction Zone
MDPI (2022-07-09)Fractional vortex beams (FVBs) possess unique topological properties that are manifested in the vortex distribution. However, there are still discrepancies in the value of the vortex strength of FVBs at the far field. In ...
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Fast compressive Raman bio-imaging via matrix completion
Optical Society of America (2019)Raman microscopy is a powerful method combining non-invasiveness with no special sample preparation. Because of this remarkable simplicity, it has been widely exploited in many fields, ranging from life and materials ...
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Femtosecond digital lensless holographic microscopy to image biological samples
Optical Society of America (2013)The use of femtosecond laser radiation in digital lensless holographic microscopy (DLHM) to image biological samples is presented. A mode-locked Ti:Sa laser that emits ultrashort pulses of 12 fs intensity FWHM, with 800 ...
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Free-Motion Beam Propagation Factor Measurement by Means of a Liquid Crystal Spatial Light Modulator
Institute of Electrical and Electronics Engineers (2012)In contrast to the mechanical scanning procedure described in the standard ISO/DIS 11146, the use of electronically tunable focal length lenses has proved its capability for the measurement of the laser beam propagation ...
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Full-Color Stereoscopic Imaging With a Single-Pixel Photodetector
Institute of Electrical and Electronics Engineers (2016)We present an optical system for stereoscopic color imaging by using a single-pixel detector. The system works by illuminating the input scene with a sequence of microstructured light patterns generated by a color digital ...
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Generation of programmable 3D optical vortex structures through devil’s vortex-lens arrays
The Optical Society (OSA) (2013-08)Different spatial distributions of optical vortices have been generated and characterized by implement- ing arrays of devil’s vortex lenses in a reconfigurable spatial light modulator. A simple design procedure assigns the ...
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Giga-voxel multidimensional fluorescence imaging combining single-pixel detection and data fusion
Optical Society of America (2021-08-27)Time-resolved fluorescence imaging is a key tool in biomedical applications, as it allows to non-invasively obtain functional and structural information. However, the big amount of collected data introduces challenges in ...
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High sampling rate single-pixel digital holography system employing a DMD and phase-encoded patterns
Optical Society of America (2018)A single-pixel digital holography system with phase-encoded illumination using a digital micromirror device (DMD) as a spatial light modulator (SLM) is presented. The enhanced switching rate of DMDs, far exceeding the ...
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High-resolution adaptive imaging with a single photodiode
Nature Publishing Group (2015-09)During the past few years, the emergence of spatial light modulators operating at the tens of kHz has enabled new imaging modalities based on single-pixel photodetectors. The nature of single-pixel imaging enforces a ...
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High-Sensitivity High-Speed Compressive Spectrometer for Raman Imaging
American Chemical Society (2019-04-25)Compressive Raman is a recent framework that allows for large data compression of microspectroscopy during its measurement. Because of its inherent multiplexing architecture, it has shown imaging speeds considerably higher ...
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Image transmission through dynamic scattering media by single-pixel photodetection
Optical Society of America (2014)Smart control of light propagation through highly scattering media is a much desired goal with major technological implications. Since interaction of light with highly scattering media results in partial or complete depletion ...
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Imaging the optical properties of turbid media with single-pixel detection based on the Kubelka–Munk model
Optical Society of America (2019)We present a diffuse optical imaging system with structured illumination and integrated detection based on the Kubelka– Munk light propagation model for the spatial characterization of scattering and absorption properties ...
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Improving the reliability of deep learning computational ghost imaging with prediction uncertainty based on neighborhood feature maps
Optica Publishing Group (2024-05-10)Defect inspection is required in various fields, and many researchers have attempted deep-learning algorithms for inspections. Deep-learning algorithms have advantages in terms of accuracy and measurement time; however, ...
