Prof. Mohammad R. Taghizadeh Profile

Prof. Mohammad R. Taghizadeh

Reader at Heriot-Watt Univ

SPIE Involvement:

Author

Publications (66)

Proceedings Article | 15 June 2020 Paper

Development of achromatic flat-surface gradient index micro lenses

Ryszard Buczyński, Adam Filipkowski, Hue Thi Nguyen, Dariusz Pysz, Ryszard Stepien, Andrew Waddie, Mohammad Taghizadeh, Rafal Kasztelanic

Proceedings Volume 11522, 115220Y (2020) https://doi.org/10.1117/12.2573777

KEYWORDS: Microlens, Glasses, Lenses, GRIN lenses, Nanostructuring, Nanolithography, Physics, Gradient-index optics, Near infrared, Imaging systems

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Proceedings Article | 6 May 2015 Paper

Enhancing the fill-factor of CMOS SPAD arrays using microlens integration

G. Intermite, R. Warburton, A. McCarthy, X. Ren, F. Villa, A. Waddie, M. Taghizadeh, Y. Zou, Franco Zappa, Alberto Tosi, Gerald Buller

Proceedings Volume 9504, 95040J (2015) https://doi.org/10.1117/12.2178950

KEYWORDS: Microlens, Microlens array, Sensors, Silicon, Photodetectors, Quenching (fluorescence), Imaging systems, CMOS technology, CMOS sensors, Avalanche photodiodes

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Proceedings Article | 20 February 2014 Paper

Broadband IR supercontinuum generation in hexagonal lattice tellurite photonic crystal fiber with dispersion optimized for pumping over 1500 nm

Mariusz Klimczak, Grzegorz Stępniewski, Henry Bookey, Dariusz Pysz, Andrew Waddie, Ryszard Stępień, Ajoy Kar, Mohammad Taghizadeh, Ryszard Buczyński

Proceedings Volume 8964, 89640V (2014) https://doi.org/10.1117/12.2039979

KEYWORDS: Solitons, Glasses, Supercontinuum generation, Dispersion, Signal attenuation, Photonic crystal fibers, Fiber lasers, Scanning electron microscopy, Wave propagation, Picosecond phenomena

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Proceedings Article | 25 July 2013 Paper

Development of elliptical nanostructured gradient index microlens

Ryszard Buczynski, Andrew Waddie, Jedrzej Nowosielski, Adam Filipkowski, Dariusz Pysz, Ryszad Stepien, Mohammad Taghizadeh

Proceedings Volume 8902, 890214 (2013) https://doi.org/10.1117/12.2031245

KEYWORDS: Nanostructuring, Glasses, Microlens, Refractive index, Nanolithography, GRIN lenses, Gradient-index optics, Optical fibers, CCD cameras, Wave propagation

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Proceedings Article | 15 October 2012 Paper

Diffractive and micro-optics for wavefront manipulation

M. Taghizadeh, A. Waddie

Proceedings Volume 8490, 849002 (2012) https://doi.org/10.1117/12.929550

KEYWORDS: Diffractive optical elements, Diffraction, Optical design, Nanostructuring, Glasses, Wavefronts, Micro optics, Beam shaping, Microlens, Nanolithography

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Proceedings Article | 16 May 2012 Paper

Toward mid-IR supercontinuum generation in bismuth-lead-galate glass based photonic crystal fibers

Ryszard Buczynski, Henry Bookey, Ryszard Stepien, Jacek Pniewski, Dariusz Pysz, Andrew Waddie, Ajoy Kar, Mohammad Taghizadeh

Proceedings Volume 8434, 84340Z (2012) https://doi.org/10.1117/12.922747

KEYWORDS: Glasses, Dispersion, Photonic crystal fibers, Optical fibers, Supercontinuum generation, Mid-IR, Cladding, Femtosecond phenomena, Spectrometers, Infrared radiation

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Proceedings Article | 9 May 2012 Paper

Large diameter multilevel graded nanostructured microlens

Jedrzej Nowosielski, Ryszard Buczynski, Andrew Waddie, Adam Filipkowski, Dariusz Pysz, Aongus McCarthy, Ryszard Stepien, Mohammad Taghizadeh

Proceedings Volume 8428, 84280Q (2012) https://doi.org/10.1117/12.922919

KEYWORDS: Nanostructuring, Refractive index, Nanolithography, Microlens, GRIN lenses, Glasses, Gradient-index optics, Lens design, Optical fibers, Diffraction

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Proceedings Article | 9 May 2012 Paper

Diffractive optics development with stack-and-draw technique

J. Nowosielski, A. Filipkowski, A. Waddie, I. Kujawa, R. Stepien, R. Buczynski, M. Taghizadeh

Proceedings Volume 8428, 84281R (2012) https://doi.org/10.1117/12.922847

KEYWORDS: Diffraction, Diffractive optical elements, Glasses, Refractive index, Nanolithography, Fabrication, Optical fabrication equipment, Optical components, Nanostructuring, Phase shifts

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Proceedings Article | 9 May 2012 Paper

Development of glass microoptics for MidIR with hot embossing technology

I. Kujawa, R. Stepien, A. Waddie, G. Skrabalak, M. Taghizadeh, R. Buczynski

Proceedings Volume 8428, 84281P (2012) https://doi.org/10.1117/12.922711

KEYWORDS: Glasses, Oxides, Silica, Metals, Fresnel lenses, Micro optics, Crystals, Microlens, Optical components, Mid-IR

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Proceedings Article | 9 May 2012 Paper

Customised birefringence in nanostructured micro-optical devices

Andrew Waddie, Jedrzej Nowosielski, Adam Filipkowski, Ryszard Stepien, Dariusz Pysz, Ryszard Buczynski, Mohammad Taghizadeh

Proceedings Volume 8428, 84280R (2012) https://doi.org/10.1117/12.922596

KEYWORDS: Nanolithography, Nanostructuring, Polarization, Birefringence, Glasses, Refractive index, Composites, Nanostructures, Custom fabrication, Finite-difference time-domain method

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Proceedings Article | 26 April 2012 Paper

Dispersion properties of all-solid photonic crystal fibers with nanostructured core

J. Pniewski, D. Pysz, R. Stepien, I. Kujawa, A. Waddie, M. Taghizadeh, R. Buczynski

Proceedings Volume 8426, 84261J (2012) https://doi.org/10.1117/12.922699

KEYWORDS: Glasses, Dispersion, Optical fibers, Photonic crystal fibers, Refractive index, Supercontinuum generation, Cladding, Nanostructuring, Silica, Solids

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Proceedings Article | 26 April 2012 Paper

Development of large core microstructured polymer optical fiber

Adam Filipkowski, Dariusz Pysz, Pawel Gdula, Katrin Welikow, Krzysztof Harasny, Andrew Waddie, Krzysztof Borzycki, Arno Kraft, Ryszard Piramidowicz, Ryszard Stepien, Mohammad Taghizadeh, Ryszard Buczynski

Proceedings Volume 8426, 842616 (2012) https://doi.org/10.1117/12.922845

KEYWORDS: Polymethylmethacrylate, Polymers, Polymer optical fibers, Polymerization, Cladding, Structured optical fibers, Glasses, Signal attenuation, Optical fibers, Optical properties

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Proceedings Article | 26 April 2012 Paper

Development of large-core photonic crystal fiber for hyperspectral transmission

Ryszard Stepien, Dariusz Pysz, Ireneusz Kujawa, Jacek Pniewski, Andrew Waddie, Mohammad Taghizadeh, Ryszard Buczynski

Proceedings Volume 8426, 842614 (2012) https://doi.org/10.1117/12.922730

KEYWORDS: Glasses, Optical fibers, Photonic crystal fibers, Transmittance, Crystals, Oxides, Refractive index, Cladding, Silica, Absorption

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Proceedings Article | 10 June 2011 Paper

Nonlinear photonic crystal fiber with a structured core

Ryszard Buczyński, Dariusz Pysz, Ireneusz Kujawa, Andrew Waddie, Mohammad Taghizadeh, Ryszard Stępień

Proceedings Volume 8010, 80100H (2011) https://doi.org/10.1117/12.896304

KEYWORDS: Glasses, Dispersion, Photonic crystal fibers, Supercontinuum generation, Cladding, Structured optical fibers, Nanostructuring, Nonlinear crystals, Refractive index, Silica

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Proceedings Article | 3 September 2008 Paper

Beam shaping diffractive optical elements for high power laser applications

Andrew Waddie, Adam Caley, Mohammad Taghizadeh, Keren Jobbins

Proceedings Volume 7070, 70700H (2008) https://doi.org/10.1117/12.796278

KEYWORDS: Diffractive optical elements, High power lasers, Beam shaping, Nd:YAG lasers, Mirrors, Retroreflectors, Laser damage threshold, Fiber couplers, Diffraction, Optical components

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Proceedings Article | 13 June 2008 Paper

Photonic glass: novel method for fabrication of volume 2D photonic crystals

Ireneusz Kujawa, Adam Filipkowski, Dariusz Pysz, Florian Hudelist, Andrew Waddie, Ryszard Stepien, Ryszard Buczynski, Mo Taghizadeh

Proceedings Volume 7120, 71200M (2008) https://doi.org/10.1117/12.804524

KEYWORDS: Glasses, Photonic crystals, Refractive index, Crystals, Photonic glasses, Fabrication, Dispersion, Photonic crystal fibers, Signal attenuation, Diffusion

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Proceedings Article | 15 May 2008 Paper

Fabrication method to create high-aspect ratio pillars for photonic coupling of board level interconnects

C. Debaes, J. Van Erps, M. Karppinen, J. Hiltunen, H. Suyal, A. Last, M. Lee, P. Karioja, M. Taghizadeh, J. Mohr, H. Thienpont, A. Glebov

Proceedings Volume 6992, 69920T (2008) https://doi.org/10.1117/12.782721

KEYWORDS: Multiphoton lithography, Polymers, Waveguides, Photomasks, Lithography, Optical interconnects, Optoelectronics, Ultraviolet radiation, Scanning electron microscopy, Sensors

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Proceedings Article | 14 May 2008 Paper

Comparison of different simulation methods for multiplane computer generated holograms

Thomas Kämpfe, Florian Hudelist, Andrew Waddie, Mohammad Taghizadeh, Ernst-Bernhard Kley, Andreas Tunnermann

Proceedings Volume 6992, 69920M (2008) https://doi.org/10.1117/12.781916

KEYWORDS: Computer generated holography, Spatial frequencies, Chemical elements, Fourier transforms, Optical components, Signal to noise ratio, Refractive index, Wave propagation, Beam splitters, Computer simulations

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Proceedings Article | 14 May 2008 Paper

Simulation and optimisation methods for non-periodic subwavelength structures

Florian Hudelist, A. Waddie, R. Busczynski, M. Taghizadeh

Proceedings Volume 6992, 699210 (2008) https://doi.org/10.1117/12.782905

KEYWORDS: Chemical elements, Finite-difference time-domain method, Microwave radiation, Magnetism, Algorithms, Genetic algorithms, Monte Carlo methods, Dielectrics, Nanostructuring, Glasses

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Proceedings Article | 14 May 2008 Paper

Measurement of optical propagation losses in polymer waveguide structures using a herringbone waveguide structure

A. Waddie, H. Suyal, R. Busczynski, M. Taghizadeh

Proceedings Volume 6992, 69920Z (2008) https://doi.org/10.1117/12.782907

KEYWORDS: Waveguides, Polymers, Wave propagation, Single mode fibers, Ultraviolet radiation, Polymer multimode waveguides, Waveguide modes, Multiphoton lithography, Cladding, Optical testing

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Proceedings Article | 21 April 2008 Paper

Novel method for fabrication of volume 2D photonic crystals

Ryszard Buczynski, Ireneusz Kujawa, Adam Filipkowski, Dariusz Pysz, Florian Hudelist, Andrew Waddie, Ryszard Stepien, Mo Taghizadeh

Proceedings Volume 6989, 698904 (2008) https://doi.org/10.1117/12.783611

KEYWORDS: Glasses, Photonic crystals, Refractive index, Neodymium, Fabrication, Diffusion, Crystals, Photonic glasses, Optical fabrication, Photonic crystal fibers

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Proceedings Article | 3 June 2007 Open Access

The NEMO educational kit

H. Thienpont, J. Mohr, M. Kujawinska, M. Taghizadeh, A. Waddie, T. Mappes, F. Wyrowski, E. Stijns

Proceedings Volume 9665, 96651S (2007) https://doi.org/10.1117/12.2207476

KEYWORDS: Micro optics, Compact discs, Computer simulations, Image processing, Optical components, Semiconductor lasers, Diffractive optical elements, Optical simulations, Image acquisition, Photonics

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Proceedings Article | 9 April 2007 Paper

Optical switch based on polymer waveguides

J. Nowosielski, H. Suyal, A. McCarthy, W. Grabowski, R. Kasztelanic, R. Buczynski, M. Taghizadeh

Proceedings Volume 6608, 66080Z (2007) https://doi.org/10.1117/12.739576

KEYWORDS: Waveguides, Switches, Polymers, Polymer multimode waveguides, Multiphoton lithography, Cladding, Ultraviolet radiation, Laser systems engineering, Microscopes, Light scattering

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Proceedings Article | 22 April 2006 Paper

Semi-derivative real filter for quality measurement of microlenses array

Rafał Kasztelanic, Wojciech Grabowski, Arkadiusz Sagan, Jinsong Liu, Ryszard Buczyński, Andrew Waddie, Mohammad Taghizadeh

Proceedings Volume 6189, 618916 (2006) https://doi.org/10.1117/12.663213

KEYWORDS: Optical filters, Microlens array, Optical correlators, Visualization, Phase shifts, Transmittance, Image filtering, Spherical lenses, Nonlinear filtering, Phase measurement

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