Jean-Philippe Berger

An infrared integrated optic astronomical beam combiner for stellar interferometry at 3-4 microns (2009)

Hsiao, Hsien-kai, Winick, K. A., Monnier, John D., Berger, Jean-Philippe

Integrated-optic, astronomical, two-beam and three-beam, interferometric combiners have been designed and fabricated for operation in the L band (3 - 4 microns) for the first time. The devices have...

Interferometry Basics in Practice: Exercises (2008)

Millour, Florentin, Ségransan, Damien, Duvert, G., Malbet, Fabien, Berger, Jean-Philippe

The following exercises aim to learn the link between the object intensity distribution and the corresponding visibility curves of a long-baseline ptical interferometer. They are also intended to...

Interferometry Basics in Practice: Exercises (2008)

Millour, Florentin, Ségransan, Damien, Duvert, G., Malbet, Fabien, Berger, Jean-Philippe

The following exercises aim to learn the link between the object intensity distribution and the corresponding visibility curves of a long-baseline ptical interferometer. They are also intended to...

Interferometry Basics in Practice: Exercises (2008)

Millour, Florentin, Ségransan, Damien, Duvert, G., Malbet, Fabien, Berger, Jean-Philippe

The following exercises aim to learn the link between the object intensity distribution and the corresponding visibility curves of a long-baseline ptical interferometer. They are also intended to...

Science case for 1 mas spectro-imagining in the near-infrared (2008)

Garcia, Paulo J. V., Berger, Jean-Philippe, Marconi, Alessandro, Krivov, Alexander, Chiavassa, Andrea, Aringer, Bernard, ...

We present the work developed within the science team of the Very Large Telescope Interferometer Spectro-Imager (VSI) during the Phase A studies. VSI aims at delivering ~ 1 milliarcsecond resolution...

VSI: a milli-arcsec spectro-imager for the VLTI (2006)

Malbet, Fabien, Kern, Pierre, Berger, Jean-Philippe, Jocou, Laurent, Garcia, Paulo, Buscher, David, ...

VLTi Spectro-Imager (VSI) is a proposition for a second generation VLTI instrument which is aimed at providing the ESO community with the capability of performing image synthesis at milli-arcsecond...

VSI: a milli-arcsec spectro-imager for the VLTI (2006)

Malbet, Fabien, Kern, Pierre, Berger, Jean-Philippe, Jocou, Laurent, Garcia, Paulo, Buscher, David, ...

VLTi Spectro-Imager (VSI) is a proposition for a second generation VLTI instrument which is aimed at providing the ESO community with the capability of performing image synthesis at milli-arcsecond...

VSI: a milli-arcsec spectro-imager for the VLTI (2006)

Malbet, Fabien, Kern, Pierre, Berger, Jean-Philippe, Jocou, Laurent, Garcia, Paulo, Buscher, David, ...

VLTi Spectro-Imager (VSI) is a proposition for a second generation VLTI instrument which is aimed at providing the ESO community with the capability of performing image synthesis at milli-arcsecond...

Integrated optics for astronomical interferometry - VI. Coupling the light of the VLTI in K band (2006)

Le Bouquin, Jean-Baptiste, Labeye, Pierre, Malbet, Fabien, Jocou, Laurent, Zabihian, Fatemeh, Rousselet-Perraut, Karine, ...

Our objective is to prove that integrated optics (IO) is not only a good concept for astronomical interferometry but also a working technique with high performance. We used the commissioning data...

VSI: a milli-arcsec spectro-imager for the VLTI (2006)

Malbet, Fabien, Kern, Pierre, Berger, Jean-Philippe, Jocou, Laurent, Garcia, Paulo, Buscher, David, ...

VLTi Spectro-Imager (VSI) is a proposition for a second generation VLTI instrument which is aimed at providing the ESO community with the capability of performing image synthesis at milli-arcsecond...

Integrated optics for astronomical interferometry - VI. Coupling the light of the VLTI in K band (2006)

Le Bouquin, Jean-Baptiste, Labeye, Pierre, Malbet, Fabien, Jocou, Laurent, Zabihian, Fatemeh, Rousselet-Perraut, Karine, ...

Our objective is to prove that integrated optics (IO) is not only a good concept for astronomical interferometry but also a working technique with high performance. We used the commissioning data...

VSI: a milli-arcsec spectro-imager for the VLTI (2006)

Malbet, Fabien, Kern, Pierre, Berger, Jean-Philippe, Jocou, Laurent, Garcia, Paulo, Buscher, David, ...

VLTi Spectro-Imager (VSI) is a proposition for a second generation VLTI instrument which is aimed at providing the ESO community with the capability of performing image synthesis at milli-arcsecond...

Integrated optics for astronomical interferometry - VI. Coupling the light of the VLTI in K band (2006)

Le Bouquin, Jean-Baptiste, Labeye, Pierre, Malbet, Fabien, Jocou, Laurent, Zabihian, Fatemeh, Rousselet-Perraut, Karine, ...

Our objective is to prove that integrated optics (IO) is not only a good concept for astronomical interferometry but also a working technique with high performance. We used the commissioning data...

Integrated optics for astronomical interferometry - VI. Coupling the light of the VLTI in K band (2005)

Le Bouquin, Jean-Baptiste, Labeye, Pierre, Malbet, Fabien, Jocou, Laurent, Zabihian, Fatemeh, Rousselet-Perraut, Karine, ...

Our objective is to prove that integrated optics (IO) is not only a good concept for astronomical interferometry but also a working technique with high performance. We used the commissioning data...

Integrated optics for astronomical interferometry - VI. Coupling the light of the VLTI in K band (2005)

Bouquin, Jean-Baptiste Le, Labeye, Pierre, Malbet, Fabien, Jocou, Laurent, Zabihian, Fatemeh, Rousselet-Perraut, Karine, ...

Our objective is to prove that integrated optics (IO) is not only a good concept for astronomical interferometry but also a working technique with high performance. We used the commissioning data...

Robust determination of optical path difference: fringe tracking at the Infrared Optical Telescope Array interferometer (2005)

Pedretti, Ettore, Traub, Wesley A., Monnier, John D., Millan-Gabet, Rafael, Varleton, Nathaniel P., Schloerb, F. Peter, ...

We describe the fringe-packet tracking system used to equalize the optical path lengths at the Infrared Optical Telescope Array interferometer. The measurement of closure phases requires obtaining...

Planar Integrated Optics and astronomical interferometry (2005)

Kern, Pierre, Berger, Jean-Philippe, Haguenauer, Pierre, Malbet, Fabien, Perraut, Karine

Integrated optics (IO) is an optical technology that allows to reproduce optical circuits on a planar substrate. Since 1996, we have investigated the potentiality of IO in the framework of...

VITRUV - Imaging close environments of stars and galaxies with the VLTI at milli-arcsec resolution (2005)

Malbet, Fabien, Berger, Jean-Philippe, Garcia, Paulo, Kern, Pierre, Perraut, Karine, Benisty, Myriam, ...

The VITRUV project has the objective to deliver milli-arcsecond spectro-images of the environment of compact sources like young stars, active galaxies and evolved stars to the community. This...

Robust determination of optical path difference: fringe tracking at the IOTA interferometer (2005)

Pedretti, Ettore, Traub, Wesley A., Monnier, John D., Millan-Gabet, Rafael, Carleton, Nathaniel P., Schloerb, F. Peter, ...

We describe the fringe packet tracking system used to equalise the optical path lengths at the Infrared Optical Telescope Array (IOTA) interferometer. The measurement of closure phases requires...

New insights on the AU-scale circumstellar structure of FU Orionis (2005)

Malbet, Fabien, Lachaume, Régis, Berger, Jean-Philippe, Mark Colavita, M., Di Folco, Emmanuel, A. Eisner, Josh, ...

We report new near-infrared, long-baseline interferometric observations at the AU scale of the pre-main-sequence star FU Orionis with the PTI, IOTA and VLTI interferometers. This young stellar object...

New insights on the AU-scale circumstellar structure of FU Orionis (2005)

Malbet, Fabien, Lachaume, Régis, Berger, Jean-Philippe, Mark Colavita, M., Di Folco, Emmanuel, A. Eisner, Josh, ...

We report new near-infrared, long-baseline interferometric observations at the AU scale of the pre-main-sequence star FU Orionis with the PTI, IOTA and VLTI interferometers. This young stellar object...

New insights on the AU-scale circumstellar structure of FU Orionis (2005)

Malbet, Fabien, Lachaume, Régis, Berger, Jean-Philippe, Colavita, M. Mark, Di Folco, Emmanuel, Eisner, Josh A., ...

We report new near-infrared, long-baseline interferometric observations at the AU scale of the pre-main-sequence star FU Orionis with the PTI, IOTA and VLTI interferometers. This young stellar object...

VITRUV - Imaging close environments of stars and galaxies with the VLTI at milli-arcsec resolution (2005)

Malbet, Fabien, Berger, Jean-Philippe, Garcia, Paulo, Kern, Pierre, Perraut, Karine, Benisty, Myriam, ...

The VITRUV project has the objective to deliver milli-arcsecond spectro-images of the environment of compact sources like young stars, active galaxies and evolved stars to the community. This...

VITRUV - Imaging close environments of stars and galaxies with the VLTI at milli-arcsec resolution (2005)

Malbet, Fabien, Berger, Jean-Philippe, Garcia, Paulo, Kern, Pierre, Perraut, Karine, Benisty, Myriam, ...

The VITRUV project has the objective to deliver milli-arcsecond spectro-images of the environment of compact sources like young stars, active galaxies and evolved stars to the community. This...

New insights on the AU-scale circumstellar structure of FU Orionis (2005)

Malbet, Fabien, Lachaume, Régis, Berger, Jean-Philippe, Mark Colavita, M., Di Folco, Emmanuel, A. Eisner, Josh, ...

We report new near-infrared, long-baseline interferometric observations at the AU scale of the pre-main-sequence star FU Orionis with the PTI, IOTA and VLTI interferometers. This young stellar object...

VITRUV - Imaging close environments of stars and galaxies with the VLTI at milli-arcsec resolution (2005)

Malbet, Fabien, Berger, Jean-Philippe, Garcia, Paulo, Kern, Pierre, Perraut, Karine, Benisty, Myriam, ...

The VITRUV project has the objective to deliver milli-arcsecond spectro-images of the environment of compact sources like young stars, active galaxies and evolved stars to the community. This...

VITRUV - Imaging close environments of stars and galaxies with the VLTI at milli-arcsec resolution (2005)

Malbet, Fabien, Berger, Jean-Philippe, Garcia, Paulo, Kern, Pierre, Perraut, Karine, Benisty, Myriam, ...

The VITRUV project has the objective to deliver milli-arcsecond spectro-images of the environment of compact sources like young stars, active galaxies and evolved stars to the community. This...

New insights on the AU-scale circumstellar structure of FU Orionis (2005)

Malbet, Fabien, Lachaume, Régis, Berger, Jean-Philippe, Mark Colavita, M., Di Folco, Emmanuel, A. Eisner, Josh, ...

We report new near-infrared, long-baseline interferometric observations at the AU scale of the pre-main-sequence star FU Orionis with the PTI, IOTA and VLTI interferometers. This young stellar object...

Planar Integrated Optics and astronomical interferometry (2001)

Kern, Pierre, Berger, Jean-Philippe, Haguenauer, Pierre, Malbet, Fabien, Perraut, Karine

Integrated optics (IO) is an optical technology that allows to reproduce optical circuits on a planar substrate. Since 1996, we have investigated the potentiality of IO in the framework of...

Planar Integrated Optics and astronomical interferometry (2001)

Kern, Pierre, Berger, Jean-Philippe, Haguenauer, Pierre, Malbet, Fabien, Perraut, Karine

Integrated optics (IO) is an optical technology that allows to reproduce optical circuits on a planar substrate. Since 1996, we have investigated the potentiality of IO in the framework of...

Planar Integrated Optics and astronomical interferometry (2001)

Kern, Pierre, Berger, Jean-Philippe, Haguenauer, Pierre, Malbet, Fabien, Perraut, Karine

Integrated optics (IO) is an optical technology that allows to reproduce optical circuits on a planar substrate. Since 1996, we have investigated the potentiality of IO in the framework of...

Planar Integrated Optics and astronomical interferometry (2001)

Kern, Pierre, Berger, Jean-Philippe, Haguenauer, Pierre, Malbet, Fabien, Perraut, Karine

Integrated optics (IO) is an optical technology that allows to reproduce optical circuits on a planar substrate. Since 1996, we have investigated the potentiality of IO in the framework of...