Concept

Vacuum

Related publications (162)

Purcell-Factor-Enhanced Scattering from Si Nanocrystals in an Optical Microcavity

Scattering processes in an optical microcavity are investigated for the case of silicon nanocrystals embedded in an ultra-high-Q toroid microcavity. Using a novel measurement technique based on the observable mode splitting, we demonstrate that light scatt ...

2009

Characterization of pressure wave propagation in biological tissues

Kossi Agbeviade, Jacques Giovanola, Alain Curnier, Mathieu Benoit, Marcel Donnet

A measurement technique using flexible PVDF gages for characterizing the propagation of pressure waves in biological tissues is developed. We demonstrated that experimental measurements, coupled with numerical simulations, represent a promising method to o ...

E D P Sciences, 17 Ave Du Hoggar Parc D Activites Countboeuf Bp 112, F-91944 Cedex A, France2009

Electrospray ion beam deposition and mass spectrometry of nonvolatile molecules and nanomaterials

Stephan Rauschenbach

The vacuum deposition of complex functional molecules and nanoparticles by thermal sublimation is often hindered due to their extremely low vapor pressure. This especially impedes the application of ultrahigh vacuum (UHV) based analytical and surface modif ...

EPFL2008

Microfabrication and test of an integrated colloid thruster

Herbert Shea, Renato Krpoun

This paper reports on the design, fabrication and test of an integrated colloid micropropulsion system for spacecraft attitude control using the ionic liquid EMI-BF4 as fuel. The principle of operation of the thruster is identical to electrospray ionizatio ...

2008

Microfabrication and test of an integrated colloid thruster

Herbert Shea, Renato Krpoun

IEEE2008

Dynamic stencil lithography on full wafer scale

Jürgen Brugger, Andreea Veronica Savu, Marc Antonius Friedrich van den Boogaart

In this paper, the authors present a breakthrough extension of the stencil lithography tool and method. In the standard stencil lithography static mode, material is deposited through apertures in a membrane (stencil) on a substrate which is clamped to the ...

2008

On the degree of conversion and coefficient of thermal expansion of a single fiber composite using a FBG sensor

John Botsis, Marco Lai, Joël Cugnoni, Dragan Coric

The increasing needs of extending the lifetime in high-technology fields, such as space and aerospace, rail transport and naval systems, require quality enhancing of the composite materials either from a processing standing point or in the sense of resista ...

Amer Inst Physics, 2 Huntington Quadrangle, Ste 1No1 D, Melville, Ny 11747-4501 Usa2008

Fabrication and testing of a poly(vinylidene fluoride) (PVDF) microvalve for gas flow control

Jürgen Brugger

A microactuator made from poly(vinylidene fluoride) (PVDF), a piezoelectric polymer, was fabricated to control the gas flow rate through a glass micronozzle. The actuator was formed by gluing together two PVDF sheets with opposite polarization directions. ...

2007

Flexible Slow and Fast Light in Optical Fibers

Luc Thévenaz, Sang Hoon Chin, Kwang-Yong Song

A method to achieve an extremely wide and flexible control of the group velocity in an optical fiber using stimulated Brillouin scattering is presented. Group velocities below 71,000 km/s on one hand, well exceeding the speed of light in vacuum on the othe ...

IEEE2006

ELECTROSTATIC CLAMPING CHUCK FOR NANOSTENCILS

Jürgen Brugger, Hannes Bleuler, Marc Antonius Friedrich van den Boogaart

There is growing interest in using alternative, resistless patterning techniques. Stencil lithography or shadow masking is one of the possible solutions. By means of physical vapor deposition many different materials can be evaporated in vacuum and pattern ...

2006

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