Dr. Armindo L. V. S. Lage Profile

Dr. Armindo L. V. S. Lage

Electrical Engineer at Univ do Porto

SPIE Involvement:

Author

Publications (16)

Proceedings Article | 29 February 2012 Paper

Optical characterization of muscle

Luís Oliveira, Armindo Lage, Manuel Pais Clemente, Valery Tuchin

Proceedings Volume 8337, 833705 (2012) https://doi.org/10.1117/12.924213

KEYWORDS: Tissues, Refractive index, Water, Light scattering, Tissue optics, Biomedical optics, Optical clearing, Scattering, Geometrical optics, Absorption

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SPIE Journal Paper | 1 September 2010 Open Access

Rat muscle opacity decrease due to the osmosis of a simple mixture

Luís Oliveira, Armindo Lage, Manuel Pais Clemente, Valery Tuchin

JBO, Vol. 15, Issue 05, 055004, (September 2010) https://doi.org/10.1117/12.10.1117/1.3486539

KEYWORDS: Tissues, Refractive index, Transmittance, Water, Tissue optics, Optical clearing, Optical fibers, Solids, Photography, Bioalcohols

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Proceedings Article | 12 February 2010 Paper

Optical clearing of muscle with propylene glycol

Luís Oliveira, Armindo Lage, Manuel Pais Clemente, Valery Tuchin

Proceedings Volume 7547, 75470E (2010) https://doi.org/10.1117/12.853540

KEYWORDS: Tissues, Transmittance, Tissue optics, Optical clearing, Photography, Refractive index, Optical fibers, Water, Microscopes, Diffusion

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Proceedings Article | 9 June 2008 Paper

A simple mixture to enhance muscle transmittance

Luís Oliveira, Armindo Lage, Manuel Pais Clemente, Valery Tuchin

Proceedings Volume 6791, 67910J (2008) https://doi.org/10.1117/12.803978

KEYWORDS: Refractive index, Transmittance, Tissue optics, Tissues, Optical fibers, Optical clearing, Water, Photography, Bioalcohols, Microscopes

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Proceedings Article | 26 April 2007 Paper

Concentration dependence of the optical clearing effect created in muscle immersed in glycerol and ethylene glycol

Luis Oliveira, Armindo Lage, M. Pais Clemente, Valery Tuchin

Proceedings Volume 6535, 653511 (2007) https://doi.org/10.1117/12.740972

KEYWORDS: Tissue optics, Tissues, Refractive index, Transmittance, Photography, Optical fibers, Water, Optical clearing, Solids, Microscopes

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Proceedings Article | 22 June 2005 Paper

Monte Carlo simulation for the optical transmittance in biological tissues during the action of osmotic agents

L. Oliveira, Armindo Lage

Proceedings Volume 5771, (2005) https://doi.org/10.1117/12.634821

KEYWORDS: Photons, Tissues, Scattering, Absorption, Monte Carlo methods, Computer simulations, Tissue optics, Biomedical optics, Optical properties, Sensors

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SPIE Journal Paper | 1 March 2004

Wavelength multiplexing of frequency-based self-referenced fiber optic intensity sensors

Jose Baptista, Silvia Abad, Gaspar Rego, Luis Ferreira, Francisco Araújo, Jose Santos, Armindo Lage

OE, Vol. 43, Issue 03, (March 2004) https://doi.org/10.1117/12.10.1117/1.1646177

KEYWORDS: Sensors, Multiplexing, Fiber optics sensors, Fiber Bragg gratings, Wavelength division multiplexing, Signal attenuation, Fiber optics, Modulation, Attenuators, Sensor networks

SPIE Journal Paper | 1 June 2000

Mach-Zehnder and Michelson topologies for self-referencing fiber optic intensity sensors

Jose Baptista, Jose Santos, Armindo Lage

OE, Vol. 39, Issue 06, (June 2000) https://doi.org/10.1117/12.10.1117/1.602540

KEYWORDS: Sensors, Modulation, Structured optical fibers, Signal attenuation, Fiber optics sensors, Structural sensing, Geometrical optics, Interferometers, Head, Constructive interference

Proceedings Article | 13 August 1998 Paper

Comparison study of the Mach-Zehnder and Michelson topologies for resonant fiber optic intensity sensors

Jose Baptista, Jose Santos, Armindo Lage

Proceedings Volume 3555, (1998) https://doi.org/10.1117/12.318198

KEYWORDS: Sensors, Fiber optics sensors, Resonators, Modulation, Signal attenuation, Fiber optics, Structured optical fibers, Mirrors, Geometrical optics, Signal processing

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Proceedings Article | 15 March 1996 Paper

In-line four-wave mixing correlator

Sergio Santos, Armindo Lage, Augusto Gomes

Proceedings Volume 2752, (1996) https://doi.org/10.1117/12.235651

KEYWORDS: Crystals, Optical correlators, Four wave mixing, Diffraction, Fourier transforms, Beam splitters, Holography, Holograms, Electrons, Laser crystals

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Proceedings Article | 29 September 1994 Paper

Three-step scale and rotation invariant joint transform correlator

Sergio Santos, Armindo Lage, Augusto Gomes

Proceedings Volume 2297, (1994) https://doi.org/10.1117/12.187299

KEYWORDS: Computer generated holography, Optical correlators, Spatial light modulators, Joint transforms, Distortion, Video, Binary data, Cameras, Liquid crystals, Televisions

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Proceedings Article | 5 August 1994 Paper

Coordinate-transformation joint-transform correlator invariant to scale and rotation

Sergio Santos, Armindo Lage, Augusto Gomes

Proceedings Volume 2321, (1994) https://doi.org/10.1117/12.182073

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Proceedings Article | 15 March 1994 Paper

Image processing techniques in coded holotags recognition

Maria Pinto, Armindo Lage, Oliverio Soares

Proceedings Volume 2065, (1994) https://doi.org/10.1117/12.169361

KEYWORDS: Image processing, Image acquisition, Dielectrophoresis, Charge-coupled devices, Binary data, CCD image sensors, CCD cameras, Speckle, Image processing software, Linear filtering

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Proceedings Article | 1 March 1994 Paper

Phase modulation characteristic of a liquid crystal television applied on a joint transform correlator

Sergio Santos, Armindo Lage, Augusto Gomes

Proceedings Volume 2237, (1994) https://doi.org/10.1117/12.169482

KEYWORDS: Phase shift keying, Phase modulation, Optical correlators, Joint transforms, Modulation, Liquid crystals, Fourier transforms, Televisions, Spatial light modulators, Amplitude modulation

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