Publications de Eric Tremblay | EPFL Graph Search

Demonstration of a 5x5 cm(2) self-tracking solar concentrator

Solar concentration is using optics in order to minimize the amount of expensive photovoltaic cell material needed. For concentration factors higher than approximately 4, tracking the sun's position is needed to keep the focal spot on the solar cell. Based ...

Spie-Int Soc Optical Engineering2015

Transflective holographic film for head worn display

Jürgen Brugger, Christophe Moser, Eric Tremblay, Victor Javier Cadarso Busto, Jonas Grossenbacher

A display panel assembly comprises a transflective holographic screen, i.e., a transparent screen that reflects light from a projection system, comprising at least a volume hologram, a first protective element and a second protective element, each arranged ...

2015

Demonstration and future potential of a self-tracking phase change actuator

Eric Tremblay, Volker Günter Zagolla

State-of-the-art concentrators use free-space optics to concentrate sunlight onto photovoltaic cells. To achieve high concentration factors it is necessary to track the sun's position. In current systems, mechanical actuators keep the focal spot in the sol ...

Spie-Int Soc Optical Engineering2014

Proof of principle demonstration of a self-tracking concentrator

Christophe Moser, Eric Tremblay, Volker Günter Zagolla

We present to the best of our knowledge the first successful demonstration of a planar, self-tracking solar concentrator system capable of a 2-dimensional angular acceptance of over 40 degrees. The light responsive mechanism allows for efficient waveguide ...

Optical Society of America2014

Self-tracking phase change concentrator device demonstrator

Eric Tremblay, Volker Günter Zagolla

Concentration photovoltaic systems uses free-space optics to concentrate sunlight onto photovoltaic cells, using mechanical trackers to accurately track the sun's position and keep the focal spot on the PV cell. We recently proposed and demonstrated a proo ...

Spie-Int Soc Optical Engineering2014

Curved Holographic Combiner for Color Head Worn Display

Jürgen Brugger, Christophe Moser, Eric Tremblay, Victor Javier Cadarso Busto, Jonas Grossenbacher, Arnaud Mader, Seyedpayam Vahdati

A volume hologram recorded with a lens array is proposed as a color transflective screen for Head Worn Display (HWD) systems. Design, fabrication as well as proof of concept are reported. Light from a single MEMS-based projector is efficiently diffracted t ...

Ieee-Inst Electrical Electronics Engineers Inc2014

Self-tracking solar concentrator with an acceptance angle of 32 degrees

Christophe Moser, Eric Tremblay, Volker Günter Zagolla

Solar concentration has the potential to decrease the cost associated with solar cells by replacing the receiving surface aperture with cheaper optics that concentrate light onto a smaller cell aperture. However a mechanical tracker has to be added to the ...

Optical Society of America2014

Curved Transflective Holographic Screens for Head-Mounted Display

Jürgen Brugger, Christophe Moser, Eric Tremblay, Victor Javier Cadarso Busto, Jonas Grossenbacher, Arnaud Mader, Seyedpayam Vahdati

A volume hologram recorded with a lens array is proposed as a transflective screen for Head Worn Display (HWD) systems. Design, fabrication as well as proof of concept are reported. Light from a projection system, with similar properties to one mounted on ...

Spie-Int Soc Optical Engineering2013

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Eric Tremblay

Method and apparatus for head worn display with multiple exit pupils

Demonstration of a 5x5 cm(2) self-tracking solar concentrator

Transflective holographic film for head worn display

Demonstration and future potential of a self-tracking phase change actuator

Proof of principle demonstration of a self-tracking concentrator

Self-tracking phase change concentrator device demonstrator

Curved Holographic Combiner for Color Head Worn Display

Self-tracking solar concentrator with an acceptance angle of 32 degrees

Curved Transflective Holographic Screens for Head-Mounted Display

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Self-tracking solar concentrator with an acceptance angle of 32 degrees

Demonstration of a 5x5 cm(2) self-tracking solar concentrator

Demonstration and future potential of a self-tracking phase change actuator

Self-tracking phase change concentrator device demonstrator

Method and apparatus for head worn display with multiple exit pupils

Transflective holographic film for head worn display

Proof of principle demonstration of a self-tracking concentrator

Curved Holographic Combiner for Color Head Worn Display

Curved Transflective Holographic Screens for Head-Mounted Display