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Polarization sensitive silicon photodiodes using nanostructured metallic grids

Publications associées (35)

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Design constraints on Cherenkov telescopes with Davies-Cotton reflectors

Mathieu Ribordy, Thomas Günther Bretz

This paper discusses the construction of high-performance ground-based gamma-ray Cherenkov telescopes with a Davies-Cotton reflector. For the design of such telescopes, usually physics constrains the field-of-view, while the photo-sensor size is defined by ...

Elsevier2013

Experimental Analysis of Lag Sources in Pinned Photodiodes

Maher Kayal, Nicolas Blanc, Lysandre-Edouard Bonjour

A measurement method is reported to distinguish the different mechanisms that lead to image lag in image sensors based on pinned photodiodes (PPDs). This new method can differentiate between the lag caused by a potential barrier or pocket and gate traps in ...

Institute of Electrical and Electronics Engineers2012

Optical Modulators Based on Microfabricated Tilting Flaps Operating at low Actuation Voltages

Fabio Jutzi

In this thesis the concept, modelling, design, fabrication process and characterization of novel optical modulators are presented. The devices consist of flaps exhibiting a large tilt with electrostatic actuation at low voltages. The applications comprise, ...

EPFL2012

Ferroelectric Field Effect Transistor for Memory and Switch Applications

Giovanni Antonio Salvatore

Silicon technology has advanced at exponential rates both in performances and productivity through the past four decades. However the limit of CMOS technology seems to be closer and closer and in the future we might see an increasing number of hybrid appro ...

EPFL2011

Contact Effects in Organic Transistors

Frederik Sebastian Ante

Organic thin-film transistors (TFTs) are of interest for applications that require electronic functionality with low or medium complexity distributed over large areas on unconventional substrates, such as flexible polymeric films. Generally these are appli ...

EPFL2011

Optical Transmission Through Sub-Wavelength Slits in Metals

This thesis explores the properties of the transmission of light through subwavelength slits in metal films. Theoretical and experimental studies on the transmission through slits in metals are presented. In addition, the potential use of these slits for d ...

EPFL2010

2PFC™ Image Sensors: Better Image Quality at Lower Cost

Daniel Tamburrino

A modification to the standard Bayer CFA and photodiode structure for CMOS image sensors is proposed, which we call 2PFC™, meaning “Two Pixel, Full Color”. The blue and red filters of the Bayer pattern are replaced by magenta filters. Under each magenta fi ...

2009

Quantum efficiency measurement of n–i–p a-Si:H photodiode array on CMOS circuit for positron emission tomography (PET)

Sylvain Dunand, Werner Lustermann, Matthieu Despeisse

Detection of scintillation light from LSO (Lutetiumoxyorthosilicate) crystals used in positron emission tomography (PET) is traditionally based on photo- multipliers. The proposal is to develop a novel photo- sensor, which is based on vertically integratin ...

2008

Semiconductor Image Sensing

Peter Seitz, Nicolas Blanc

Silicon is an excellent detector material for electromagnetic radiation in the wavelength range of 0.1 to 1000 nm. In the visible spectral range (400-700 nm), external quantum efficiencies approaching 100% are obtained. When combined with the amazing minia ...

Springer2008

Low Cost Earth Sensor Based on Oxygen Airglow (AIRES)

Edoardo Charbon, Herbert Shea, Noémy Scheidegger

This project has demonstrated the feasibility of a low-cost Earth sensor based on imaging oxygen airglow, allowing 0.4° accuracy from GEO under any illumination condition. Available Earth Sensor (ES) are based on the measurement of the earth’s infrared rad ...

2008