All Stories

  1. Optical fibers as beam shapers: from Gaussian beams to optical vortices

    Article • Optics Letters, May 2016, Optical Society of America (OSA)

    Dr Jaime Viegas

  2. Subwavelength grating waveguide-integrated athermal Mach-Zehnder interferometer with enhanced fabrication error tolerance and wide stable spectral range

    Article • March 2016, SPIE

    Dr Jaime Viegas

  3. Low-cost facile interferometer for displacement mapping of harmonically excited MEMS

    Article • March 2016, SPIE

    Dr Jaime Viegas

  4. Metal/metal-oxide nanocoatings on black silicon nanograss for enhanced solar absorption and photochemical activity

    Article • March 2016, SPIE

    Dr Jaime Viegas

  5. Fully transparent thin film transistors based on zinc oxide channel layer and molybdenum doped indium oxide electrodes

    Article • March 2016, SPIE

    Dr Jaime Viegas

  6. Compact solutions for optical fiber tweezers using Fresnel zone and phase lenses fabricated using FIB milling

    Article • March 2016, SPIE

    Dr Jaime Viegas

  7. Generation of Laguerre Gaussian beams using spiral phase diffractive elements fabricated on optical fiber tips using focused ion beam milling

    Article • March 2016, SPIE

    Dr Jaime Viegas

  8. Impact of glycerol on zinc-oxide-based thin film transistors with indium molybdenum oxide transparent electrodes

    Article • February 2016, SPIE

    Dr Jaime Viegas

  9. Synthesis of WO3 nanoparticles for biosensing applications

    Article • Sensors and Actuators B Chemical, February 2016, Elsevier

    Dr Jaime Viegas, Gabriela Almeida

  10. Comparative study of multilayered nanostructures for enhanced solar optical absorption

    Article • MRS Advances, January 2016, Cambridge University Press

    Dr Jaime Viegas

  11. Thin -film transistors based on Zinc Oxide channel layer and Molybdenum doped Indium Oxide transparent electrodes

    Article • MRS Advances, January 2016, Cambridge University Press

    Dr Jaime Viegas

  12. Impact of glycerol on Zinc Oxide based thin film transistors with Indium Molybdenum Oxide electrodes

    Article • MRS Advances, January 2016, Cambridge University Press

    Dr Jaime Viegas

  13. Electron beam induced rapid crystallization of water splitting nanostructures

    Article • MRS Advances, December 2015, Cambridge University Press

    Dr Jaime Viegas

  14. Broadband CMOS-compatible SOI temperature insensitive Mach-Zehnder interferometer

    Article • Optics Express, September 2015, Optical Society of America (OSA)

    Dr Jaime Viegas

  15. Broadband photoelectric hot carrier collection with wafer-scale metallic-semiconductor photonic crystals

    Article • June 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Jaime Viegas

  16. Focused ion beam 3D nano-patterned optical fiber tips for advanced beam profile engineering

    Article • March 2015, SPIE

    Dr Jaime Viegas

  17. Characterization of molybdenum doped indium oxide/aluminum doped zinc oxide thin film stacks for optoelectronic applications

    Article • March 2015, SPIE

    Dr Jaime Viegas

  18. Environmental sensing with optical fiber sensors processed with focused ion beam and atomic layer deposition

    Article • March 2015, SPIE

    Dr Jaime Viegas

  19. Silicon photonics athermal Mach-Zehnder interferometer with wide thermal and spectral operating range

    Article • February 2015, SPIE

    Dr Jaime Viegas

  20. Optical metrology of AlN piezomachined ultrasonic transducer arrays and piezopumps

    Article • February 2015, SPIE

    Dr Jaime Viegas

  21. Electrochemical Devices: Structure and Morphologic Influence of WO3 Nanoparticles on the Electrochromic Performance of Dual-Phase a -WO3 /WO3 Inkjet Printed Films (Adv. Electron. Mater. 1-2/2015)

    Article • Advanced Electronic Materials, February 2015, Wiley

    Dr Jaime Viegas

  22. Structure and Morphologic Influence of WO3Nanoparticles on the Electrochromic Performance of Dual-Phasea-WO3/WO3Inkjet Printed Films

    Article • Advanced Electronic Materials, January 2015, Wiley

    Dr Jaime Viegas

  23. Rapid prototyping of coupled photonic cavities by focused ion beam/photolithography hybrid technique

    Article • March 2014, SPIE

    Dr Jaime Viegas

  24. Simulation of III-V strained quantum well lasers with coupled concentric racetrack resonators

    Article • March 2014, SPIE

    Dr Jaime Viegas

  25. Submicron texturing for broadband light management in thin-film PV

    Article • September 2013, SPIE

    Dr Jaime Viegas

  26. InAlAs/InGaAs quantum cascade laser with concentric racetrack array cavity

    Article • May 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Jaime Viegas

  27. Fabrication of optical fiber gratings through focused ion beam techniques for sensing applications

    Article • December 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Jaime Viegas

  28. Optical fiber refractometry based on multimode interference

    Article • Applied Optics, August 2011, Optical Society of America (OSA)

    Dr Jaime Viegas

  29. Integrated Optical Refractometer Based On Multimode Interference

    Article • January 2011, Optical Society of America (OSA)

    Dr Jaime Viegas

  30. Production and propagation of a modulated optical vortex through atmospheric turbulence

    Article • February 2009, SPIE

    Dr Jaime Viegas

  31. Generation of an optical vortex with a segmented deformable mirror

    Article • Applied Optics, November 2008, Optical Society of America (OSA)

    Dr Jaime Viegas

  32. Mode purity comparison of optical vortices generated by a segmented deformable mirror and a static multilevel phase plate

    Article • Applied Optics, September 2008, Optical Society of America (OSA)

    Dr Jaime Viegas