Dr. Maikel Hernández Profile

Dr. Maikel Hernández

SPIE Involvement:

Author

Publications (33)

Proceedings Article | 28 May 2018 Paper

Prescribed intensity patterns from extended sources by means of a wavefront-matching procedure

Simone Sorgato, Julio Chaves, Rubén Mohedano, Maikel Hernández, José Blen, Dejan Grabovickic, Hugo Thienpont, Fabian Duerr

Proceedings Volume 10693, 1069303 (2018) https://doi.org/10.1117/12.2313809

KEYWORDS: Wavefronts, Geometrical optics, Light emitting diodes, Optical design, Nonimaging optics, Freeform optics, Solid state lighting

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Proceedings Article | 2 November 2016 Presentation + Paper

Simultaneous calculation of three optical surfaces in the 3D SMS freeform RXI optic

Simone Sorgato, Julio Chaves, Rubén Mohedano, Maikel Hernández, José Blen, Pablo Benitez, Juan Miñano, Dejan Grabovickic, Hugo Thienpont, Fabian Duerr

Proceedings Volume 9955, 99550C (2016) https://doi.org/10.1117/12.2236916

KEYWORDS: Nonimaging optics, Freeform optics, Automotive lighting, Wavefronts, Light emitting diodes, Mirrors, Headlamps, Light, Beam controllers, Tolerancing

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Proceedings Article | 23 September 2015 Paper

Freeform étendue-preserving optics for light and color mixing

Simone Sorgato, Rubén Mohedano, Julio Chaves, Aleksandra Cvetkovic, Maikel Hernández, Pablo Benítez, Juan Miñano, Hugo Thienpont, Fabian Duerr

Proceedings Volume 9629, 962905 (2015) https://doi.org/10.1117/12.2191048

KEYWORDS: Spherical lenses, Microlens, Light emitting diodes, Receivers, Lenses, Light, Freeform optics, Diffusers, Reflectors, Prototyping

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Proceedings Article | 25 August 2015 Paper

Efficient color mixing through étendue conservation using freeform optics

Simone Sorgato, Rubén Mohedano, Julio Chaves, Aleksandra Cvetkovic, Maikel Hernández, Pablo Benitez, Juan Miñano, Hugo Thienpont, Fabian Duerr

Proceedings Volume 9572, 95720G (2015) https://doi.org/10.1117/12.2186965

KEYWORDS: Spherical lenses, Light emitting diodes, Light, Sensors, Freeform optics, Microlens, Reflectors, Diffusers, Lenses, RGB color model

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SPIE Journal Paper | 29 December 2014

Plasma etching antireflection nanostructures on optical elements in concentrator photovoltaic systems

Efrain Eduardo Tamayo Ruiz, Kentaroh Watanabe, Ryo Tamaki, Takuya Hoshii, Masakazu Sugiyama, Yoshitaka Okada, Kenjiro Miyano, Aleksandra Cvetkovic, Rubén Mohedano, Maikel Hernández

JPE, Vol. 5, Issue 01, 057006, (December 2014) https://doi.org/10.1117/12.10.1117/1.JPE.5.057006

KEYWORDS: Plasma etching, Transmittance, Nanostructures, Optical components, Antireflective coatings, Polymethylmethacrylate, External quantum efficiency, Interfaces, Glasses, Nanostructuring

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Proceedings Article | 9 September 2013 Paper

Development and characterization of an FK photovoltaic concentrator for maximum conversion efficiency

Pablo Zamora, Maikel Hernández, Juan Vilaplana, Pablo Benítez, Rubén Mohedano, Juan Miñano

Proceedings Volume 8821, 88210G (2013) https://doi.org/10.1117/12.2024017

KEYWORDS: Solar concentrators, Solar cells, Photovoltaics, Prototyping, Fresnel lenses, Homogenization, Solar energy, Optics manufacturing, Temperature metrology, Concentrated solar cells

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Proceedings Article | 18 December 2012 Paper

Inhomogeneous source uniformization using a shell mixer Köhler integrator

J. Chaves, A. Cvetkovic, R. Mohedano, O. Dross, M. Hernandez, P. Benítez, J. Miñano, J. Vilaplana

Proceedings Volume 8550, 85502X (2012) https://doi.org/10.1117/12.981004

KEYWORDS: Light emitting diodes, Light sources, Lenses, Light, Diffusers, Collimation, Channel projecting optics, Receivers, Reflectors, Prototyping

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SPIE Journal Paper | 16 October 2012

Experimental characterization of Fresnel-Köhler concentrators

Pablo Zamora, Pablo Benítez, Rubén Mohedano Arroyo, Aleksandra Cvetkovic, Juan Vilaplana, Yang Li, Maikel Hernández, Julio Chaves, Juan Miñano

JPE, Vol. 2, Issue 1, 021806, (October 2012) https://doi.org/10.1117/12.10.1117/1.JPE.2.021806

KEYWORDS: Solar concentrators, Prototyping, Electrical efficiency, Solar cells, Solar energy, Dispersion, Fresnel lenses, Temperature metrology, Sun, Optics manufacturing

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Proceedings Article | 11 October 2012 Paper

Primary optics for efficient high-brightness LED colour mixing

A. Cvetkovic, R. Mohedano, O. Dross, M. Hernandez, P. Benítez, J. Miñano, J. Vilaplana, J. Chaves

Proceedings Volume 8485, 84850Q (2012) https://doi.org/10.1117/12.931508

KEYWORDS: Light emitting diodes, Near field optics, Light sources, Collimation, Prototyping, Light, Reflectors, Reflectivity, Diffusers, Integrated optics

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Proceedings Article | 10 October 2012 Paper

1000x shadow-free mirror-based Köhler concentrator

Maikel Hernandez, Pablo Benítez, João Mendes-Lopes, Aleksandra Cvetkovic, Yupin Sun, Juan Carlos Miñano, Julio Chaves, Rubén Mohedano

Proceedings Volume 8468, 84680C (2012) https://doi.org/10.1117/12.931657

KEYWORDS: Solar concentrators, Solar cells, Glasses, Optics manufacturing, Mirrors, Sun, Optical components, Coating, Prisms, Antireflective coatings

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Proceedings Article | 10 November 2010 Paper

Free-form Köhler nonimaging optics for photovoltaic concentration

Pablo Benítez, Juan Miñano, Pablo Zamora, Marina Buljan, Aleksandra Cvetković, Maikel Hernandez, Rubén Mohedano, Julio Chaves, Oliver Dross

Proceedings Volume 7849, 78490K (2010) https://doi.org/10.1117/12.873884

KEYWORDS: Solar concentrators, Sun, Fresnel lenses, Solar cells, Mirrors, Antireflective coatings, Tolerancing, Optics manufacturing, Optical design, Optical components

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Proceedings Article | 19 August 2010 Paper

CPV and illumination systems based on XR-Köhler devices

Maikel Hernandez, Aleksandra Cvetkovic, Pablo Benitez, Juan Carlos Miñano, Waqidi Falicoff, Yupin Sun, Julio Chaves, Ruben Mohedano

Proceedings Volume 7785, 77850A (2010) https://doi.org/10.1117/12.861968

KEYWORDS: Solar concentrators, Solar cells, Light emitting diodes, Mirrors, Sun, Glasses, Wavefronts, Reflectivity, Tolerancing, Collimators

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Proceedings Article | 18 August 2010 Paper

Performance comparison of Fresnel-based concentrator arrays

Rubén Mohedano, Aleksandra Cvetkovic, Pablo Benítez, Pablo Zamora, Juan Miñano, Julio Chaves, Maikel Hernandez, Marina Buljan, Juan Vilaplana

Proceedings Volume 7785, 778508 (2010) https://doi.org/10.1117/12.862253

KEYWORDS: Solar concentrators, Tolerancing, Manufacturing, Fresnel lenses, Optics manufacturing, Solar cells, Receivers, Diodes, Electrical efficiency, Optical components

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Proceedings Article | 24 August 2009 Open Access

High performance concentrating photovoltaic module designs for utility scale power generation

Adam Plesniak, Russ Jones, Joel Schwartz, Guy Martins, John Hall, Authi Narayanan, David Whelan, Pablo Benítez, Juan Miñano, Aleksandra Cvetkovic, Maikel Hernandez, Oliver Dross, Roberto Alvarez

Proceedings Volume 7407, 740704 (2009) https://doi.org/10.1117/12.827789

KEYWORDS: Prototyping, Optical design, Solar concentrators, Solar cells, Computer aided design, Mirrors, Optics manufacturing, Geometrical optics, Brain-machine interfaces, Electroluminescence

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Proceedings Article | 24 September 2008 Paper

Köhler integrators embedded into illumination optics add functionality

O. Dross, R. Mohedano, M. Hernández, A. Cvetkovic, J. Miñano, P. Benítez

Proceedings Volume 7103, 71030G (2008) https://doi.org/10.1117/12.798111

KEYWORDS: Solar cells, Mirrors, Solar concentrators, Sun, Light emitting diodes, Microlens, Microlens array, Reflectivity, Integrated optics, Collimation

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Proceedings Article | 9 September 2008 Paper

The SMS3D photovoltaic concentrator

Aleksandra Cvetković, Maikel Hernandez, Pablo Benítez, Juan Carlos Miñano, Joel Schwartz, Adam Plesniak, Russ Jones, David Whelan

Proceedings Volume 7059, 705909 (2008) https://doi.org/10.1117/12.795861

KEYWORDS: Solar concentrators, Wavefronts, Mirrors, Photovoltaics, Reflectivity, Nonimaging optics, Optics manufacturing, Optical design, Tolerancing, Prisms

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Proceedings Article | 9 September 2008 Paper

The free form XR photovoltaic concentrator: a high performance SMS3D design

Aleksandra Cvetkovic, Maikel Hernandez, Pablo Benítez, Juan C. Miñano, Joel Schwartz, Adam Plesniak, Russ Jones, David Whelan

Proceedings Volume 7043, 70430E (2008) https://doi.org/10.1117/12.793714

KEYWORDS: Solar concentrators, Wavefronts, Mirrors, Photovoltaics, Reflectivity, Optics manufacturing, Nonimaging optics, Optical design, Tolerancing, Prisms

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Proceedings Article | 2 September 2008 Paper

High-performance Köhler concentrators with uniform irradiance on solar cell

M. Hernández, A. Cvetkovic, P. Benítez, J. Miñano

Proceedings Volume 7059, 705908 (2008) https://doi.org/10.1117/12.794927

KEYWORDS: Solar concentrators, Sun, Solar cells, Integrated optics, Optics manufacturing, Mirrors, Optical components, Nonimaging optics, Molybdenum, Glass molding

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Proceedings Article | 21 September 2007 Paper

The XR nonimaging photovoltaic concentrator

M. Hernández, P. Benítez, J. Miñano, A. Cvetkovic, R. Mohedano, O. Dross, R. Jones, D. Whelan, G. Kinsey, R. Alvarez

Proceedings Volume 6670, 667005 (2007) https://doi.org/10.1117/12.736897

KEYWORDS: Solar concentrators, Mirrors, Nonimaging optics, Prisms, Photovoltaics, Solar cells, Manufacturing, Tolerancing, Optical design, Multijunction solar cells

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Proceedings Article | 11 September 2007 Paper

XR: a high-performance PV concentrator

M. Hernández, P. Benítez, J. C. Miñano, A. Cvetkovic, R. Mohedano, O. Dross, R. Jones, D. Whelan, G. S. Kinsey, R. Alvarez

Proceedings Volume 6649, 664904 (2007) https://doi.org/10.1117/12.736910

KEYWORDS: Solar concentrators, Mirrors, Prisms, Nonimaging optics, Photovoltaics, Solar cells, Manufacturing, Tolerancing, Optical design, Multijunction solar cells

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Proceedings Article | 8 September 2006 Paper

Design and modeling of a measuring device for a TIR-R concentrator

Daniel Pérez Calero, Juan Carlos Miñano, Pablo Benitez, Maikel Hernandez, Aleksandra Cvetkovic

Proceedings Volume 6339, 63390H (2006) https://doi.org/10.1117/12.680496

KEYWORDS: Solar concentrators, Compound parabolic concentrators, Collimators, Solar cells, Ray tracing, Sensors, Collimation, Computer aided design, Calibration, Manufacturing

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Proceedings Article | 2 September 2005 Paper

Free-form integrator array optics

J. Miñano, M. Hernández, P. Benítez, J. Blen, O. Dross, R. Mohedano, A. Santamaría

Proceedings Volume 5942, 59420C (2005) https://doi.org/10.1117/12.620240

KEYWORDS: Spine, Microlens, Light emitting diodes, Geometrical optics, Optical arrays, Integrated optics, Ray tracing, Wavefronts, Tolerancing, Lens design

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Proceedings Article | 20 August 2005 Paper

High-efficiency LED backlight optics designed with the flow-line method

Juan Minano, Pablo Benitez, Julio Chaves, Maikel Hernandez, Oliver Dross, Asuncion Santamaria

Proceedings Volume 5942, 594202 (2005) https://doi.org/10.1117/12.620238

KEYWORDS: Beam expanders, Polarization, Light emitting diodes, LCDs, LED backlight, Light scattering, Refractive index, Optical design, Collimators, Collimation

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Proceedings Article | 29 September 2004 Paper

On the analysis of microstructured surfaces

Pablo Benitez, Juan Carlos Minano, Maikel Hernandez

Proceedings Volume 5529, (2004) https://doi.org/10.1117/12.560745

KEYWORDS: Mirrors, Wavefronts, Light emitting diodes, Fresnel lenses, Geometrical optics, Imaging systems, Reflection, Nonimaging optics, Neodymium, 3D microstructuring

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Proceedings Article | 29 September 2004 Paper

Review of SMS design methods and real world applications

Oliver Dross, Ruben Mohedano, Pablo Benitez, Juan Carlos Minano, Julio Chaves, Jose Blen, Maikel Hernandez, Fernando Munoz

Proceedings Volume 5529, (2004) https://doi.org/10.1117/12.561336

KEYWORDS: Light emitting diodes, Wavefronts, Collimators, Control systems, Light sources, Headlamps, Computer aided design, Light, Collimation, Reflection

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SPIE Journal Paper | 1 July 2004

Simultaneous multiple surface optical design method in three dimensions

Pablo Gimenez-Benitez, Juan Carlos Miñano, Jose Blen, Rubén Mohedano Arroyo, Julio Chaves, Oliver Dross, Maikel Hernandez, Waqidi Falicoff

OE, Vol. 43, Issue 07, (July 2004) https://doi.org/10.1117/12.10.1117/1.1752918

KEYWORDS: Wavefronts, Optical design, Optical engineering, Light emitting diodes, Nonimaging optics, Geometrical optics, Headlamps, Light sources, Receivers, Spine

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Proceedings Article | 8 January 2004 Paper

SMS design method in 3D geometry: examples and applications

Pablo Benitez, Juan Minano, Jose Blen, Ruben Mohedano, Julio Chaves, Oliver Dross, Maikel Hernandez, Jose Alvarez, Waqidi Falicoff

Proceedings Volume 5185, (2004) https://doi.org/10.1117/12.506857

KEYWORDS: Wavefronts, Optical design, Light emitting diodes, Nonimaging optics, Headlamps, Receivers, Refraction, Geometrical optics, Refractive index, Mirrors

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Proceedings Article | 19 November 2001 Paper

TIR-R concentrator: a new compact high-gain SMS design

Jose Alvarez, Maikel Hernandez, Pablo Benitez, Juan Minano

Proceedings Volume 4446, (2001) https://doi.org/10.1117/12.448828

KEYWORDS: Teeth, Solar concentrators, Receivers, Geometrical optics, Refraction, Reflection, Optical components, Ray tracing, Nomenclature, Optics manufacturing

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Proceedings Article | 6 February 2001 Paper

Novel nonimaging lens for photodiode receivers with a prescribed angular response and maximum integrated sensitivity

Pablo Benitez, Juan Minano, Maikel Hernandez, Kazutoshi Hirohashi, Satoru Toguchi, Masahisa Sakai

Proceedings Volume 4214, (2001) https://doi.org/10.1117/12.417500

KEYWORDS: Receivers, Photodiodes, Optical design, Refractive index, Nonimaging optics, Dielectrics, Lens design, Optics manufacturing, Prototyping, Epoxies

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SPIE Journal Paper | 1 October 2000

Ultracompact nonimaging devices for optical wireless communications

Ruben Mohedano Arroyo, Juan Minano, Pablo Benitez, Jose Alvarez, Maikel Hernandez, Juan-Carlos Gonzalez, Kazutoshi Hirohashi, Satoru Toguchi

OE, Vol. 39, Issue 10, (October 2000) https://doi.org/10.1117/12.10.1117/1.1308173

KEYWORDS: Receivers, Nonimaging optics, Solar concentrators, Photodiodes, Imaging devices, Compound parabolic concentrators, Reflectors, Semiconductors, Optics manufacturing, Wireless communications

Proceedings Article | 13 December 1999 Paper

Ultracompact optics for optical wireless communications

Juan Minano, Pablo Benitez, Ruben Mohedano Arroyo, Jose Alvarez, Maikel Hernandez, Juan-Carlos Gonzalez, Kazutoshi Hirohashi, Satoru Toguchi

Proceedings Volume 3850, (1999) https://doi.org/10.1117/12.372814

KEYWORDS: Receivers, Solar concentrators, Nonimaging optics, Photodiodes, Reflectors, Imaging devices, Compound parabolic concentrators, Semiconductors, Refractive index, Wireless communications

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Proceedings Article | 6 October 1999 Paper

New nonimaging static concentrators for bifacial photovoltaic solar cells

Pablo Benitez, Maikel Hernandez, Ruben Mohedano Arroyo, Juan Minano, Fernando Munoz

Proceedings Volume 3781, (1999) https://doi.org/10.1117/12.368256

KEYWORDS: Solar concentrators, Mirrors, Solar cells, Refractor telescopes, Nonimaging optics, Reflection, Geometrical optics, Compound parabolic concentrators, Refraction, Photovoltaics

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Proceedings Article | 6 October 1999 Paper

RXI concentrator for 1000X photovoltaic energy conversion

J. Alvarez, Maikel Hernandez, Pablo Benitez, Juan Minano

Proceedings Volume 3781, (1999) https://doi.org/10.1117/12.368258

KEYWORDS: Solar concentrators, Mirrors, Reflection, Manufacturing, Receivers, Computer simulations, Photovoltaics, Optics manufacturing, Sun, Absorption

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Showing 5 of 33 publications

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