Julien Lozi

发表

SCExAO: A Prototyping Platform for ELTs Extreme-AO

Julien Lozi, Nemanja Jovanovic, Olivier Guyon, 2017 .

Demonstration of broadband contrast at 1.2λ/D and greater for the EXCEDE starlight suppression system

Julien Lozi, Olivier Guyon, Ruslan Belikov, 2016, 1709.02459.

Phase-induced amplitude apodization complex-mask coronagraph tolerancing and analysis

Julien Lozi, Olivier Guyon, Nemanja Jovanovic, 2018, Astronomical Telescopes + Instrumentation.

Improving the broadband contrast at small inner working angles using image sharpening techniques

Julien Lozi, Olivier Guyon, Ruslan Belikov, 2013 .

Adaptive optics real-time control with the compute and control for adaptive optics (Cacao) software framework

Julien Lozi, Olivier Guyon, Hatem Ltaief, 2020, Astronomical Telescopes + Instrumentation.

Characterizing and mitigating vibrations for SCExAO

Julien Lozi, Olivier Guyon, Nemanja Jovanovic, 2016, Astronomical Telescopes + Instrumentation.

SCExAO: lessons learned for a future TMT instrument

Mamadou N'Diaye, Julien Lozi, Olivier Guyon, 2017 .

Mitigate the impact of ELT architecture on AO performance: learn from today s telescopes to characterize and prevent the island effect

Frantz Martinache, David Mary, Julien Lozi, 2017 .

An innovative integral field unit upgrade with 3D-printed micro-lenses for the RHEA at Subaru

Julien Lozi, Olivier Guyon, Oliver Sawodny, 2020, Astronomical Telescopes + Instrumentation.

Subaru Coronagraphic Extreme-AO (SCExAO) wavefront control: current status and ongoing developments

Julien Lozi, Olivier Guyon, Yosuke Minowa, 2018, Astronomical Telescopes + Instrumentation.

Focal plane wavefront sensing on SUBARU/SCExAO

Mamadou N'Diaye, Julien Lozi, Jean-Franccois Sauvage, 2020, Astronomical Telescopes + Instrumentation.

SCExAO, an instrument with a dual purpose: perform cutting-edge science and develop new technologies

Frantz Martinache, Nick Cvetojevic, Mamadou N'Diaye, 2018, Astronomical Telescopes + Instrumentation.

The compute and control for adaptive optics (CACAO) real-time control software package

Frantz Martinache, Julien Lozi, A. Sevin, 2018, Astronomical Telescopes + Instrumentation.

The SCExAO High Contrast Imaging Platform: Current and Upcoming Capabilities

Donald N. B. Hall, Nick Cvetojevic, Julien Lozi, 2019 .

Demonstration of multi-star wavefront control using SCExAO

Julien Lozi, Dan Sirbu, Eugene Pluzhnik, 2019, Optical Engineering + Applications.

How to directly image a habitable planet around Alpha Centauri with a ~30-45cm space telescope

Julien Lozi, Ruslan Belikov, Eduardo Bendek, 2015, SPIE Optical Engineering + Applications.

From Dark Energy to Exolife: Improving the Digital Information Infrastructure for Astrophysics

Julien Lozi, Dimitri Mawet, Jonas Zmuidzinas, 2019 .

PSF calibration using the Lyot-based low order wavefront sensor telemetry: first simulations

Julien Lozi, Olivier Guyon, Eugene Serabyn, 2016, Astronomical Telescopes + Instrumentation.

EXCEDE technology development II: demonstration of high contrast at 1.2 λ/D and preliminary broadband results

Julien Lozi, Olivier Guyon, Ruslan Belikov, 2013, Optics & Photonics - Optical Engineering + Applications.

EXCEDE technology development IV: demonstration of polychromatic contrast in vacuum at 1.2 λ/D

Julien Lozi, Olivier Guyon, Ruslan Belikov, 2015, SPIE Optical Engineering + Applications.

FIRST, a pupil-remapping fiber interferometer at the Subaru Telescope: on-sky results

Nick Cvetojevic, Julien Lozi, Franck Marchis, 2020, Astronomical Telescopes + Instrumentation.

Improving image contrast for the direct detection of exoplanets at small inner working angles

Julien Lozi, Olivier Guyon, Glenn Schneider, 2013, Optics & Photonics - Optical Engineering + Applications.

Validating advanced wavefront control techniques on the SCExAO testbed/instrument

Julien Lozi, Olivier Guyon, Hatem Ltaief, 2020, Astronomical Telescopes + Instrumentation.

Characterizing vibrations at the Subaru Telescope for the Subaru coronagraphic extreme adaptive optics instrument

Frantz Martinache, Julien Lozi, Olivier Guyon, 2018 .

Ongoing and future AO projects at Subaru

Julien Lozi, Olivier Guyon, Yosuke Minowa, 2019 .

Optomechanical design of the vacuum compatible EXCEDE's mission testbed

Julien Lozi, Ruslan Belikov, Glenn Schneider, 2014, Astronomical Telescopes and Instrumentation.

The Subaru coronagraphic extreme AO (SCExAO) system: fast visible imager

Frantz Martinache, Julien Lozi, Olivier Guyon, 2011, Optical Engineering + Applications.

FIRST, the pupil-remapping fiber interferometer at Subaru telescope: towards photonic beam-combination with phase control and on-sky commissioning results (Conference Presentation)

Nick Cvetojevic, Julien Lozi, Olivier Guyon, 2018 .

Space telescope design to directly image the habitable zone of Alpha Centauri

Julien Lozi, Ruslan Belikov, Eduardo Bendek, 2015, SPIE Optical Engineering + Applications.

Diffraction-limited polarimetric imaging of protoplanetary disks and mass-loss shells with VAMPIRES

Nick Cvetojevic, Julien Lozi, Olivier Guyon, 2020, Micro + Nano Materials, Devices, and Applications.

Wavefront control architecture and expected performance for the TMT Planetary Systems Imager

Julien Lozi, Dimitri Mawet, Olivier Guyon, 2018, Astronomical Telescopes + Instrumentation.

A simplified realization of a pyramid wavefront sensor

Shane Jacobson, Frantz Martinache, Julien Lozi, 2019 .

Experimental study of a low-order wavefront sensor for high-contrast coronagraphic imagers: results in air and in vacuum

Julien Lozi, Olivier Guyon, Ruslan Belikov, 2014, Astronomical Telescopes and Instrumentation.

The low-order wavefront sensor for the PICTURE-C mission

Julien Lozi, Olivier Guyon, Dimitri Mawet, 2015, SPIE Optical Engineering + Applications.

Experimental study of the low-order wavefront sensor for the high-contrast coronagraphic imager EXCEDE

Frantz Martinache, Julien Lozi, Olivier Guyon, 2013, Optics & Photonics - Optical Engineering + Applications.

On-sky performance and recent results from the Subaru coronagraphic extreme adaptive optics system

Julien Lozi, N. Jeremy Kasdin, Olivier Guyon, 2020, Astronomical Telescopes + Instrumentation.

Development of the single-mode fiber integral field unit for the RHEA Spectrograph

Julien Lozi, Olivier Guyon, Nemanja Jovanovic, 2018, Astronomical Telescopes + Instrumentation.

On-going and future AO activities on Subaru Telescope

Julien Lozi, Olivier Guyon, Francois Rigaut, 2018, Astronomical Telescopes + Instrumentation.

First light of the CHARIS high-contrast integral-field spectrograph

Julien Lozi, N. Jeremy Kasdin, Craig Loomis, 2017, Optical Engineering + Applications.

Could Jean-Dominique Cassini see the famous division in Saturn's rings?

Julien Lozi, Jean-Michel Reess, Alain Semery, 2013, Optics & Photonics - Optical Engineering + Applications.

Overview of AO activities at Subaru Telescope

Julien Lozi, Olivier Guyon, Yosuke Minowa, 2020, Astronomical Telescopes + Instrumentation.

New NIR spectro-polarimetric modes for the SCExAO instrument

Julien Lozi, Olivier Guyon, Jeffrey Chilcote, 2020, Astronomical Telescopes + Instrumentation.

High-contrast Hα imaging with Subaru/SCExAO + VAMPIRES

Julien Lozi, Olivier Guyon, Nemanja Jovanovic, 2020, Journal of Astronomical Telescopes, Instruments, and Systems.

Status of the SCExAO instrument: recent technology upgrades and path to a system-level demonstrator for PSI

Romain Laugier, Nick Cvetojevic, Mamadou N'Diaye, 2020, Astronomical Telescopes + Instrumentation.

Efficiently feeding single-mode fiber photonic spectrographs with an extreme adaptive optics system: on-sky characterization and preliminary spectroscopy

Frantz Martinache, Nick Cvetojevic, Julien Lozi, 2016, Astronomical Telescopes + Instrumentation.

Subaru AO188 upgrade phase 1: integration of the new real-time system

Julien Lozi, Yosuke Minowa, Takashi Hattori, 2018 .

The path to visible extreme adaptive optics with MagAO-2K and MagAO-X

Julien Lozi, Olivier Guyon, Laird M. Close, 2016, Astronomical Telescopes + Instrumentation.

First on-sky closed loop measurement and correction of atmospheric dispersion

Frantz Martinache, Julien Lozi, Olivier Guyon, 2016, Astronomical Telescopes + Instrumentation.

EXCEDE technology development III: first vacuum tests

Julien Lozi, Olivier Guyon, Ruslan Belikov, 2014, Astronomical Telescopes and Instrumentation.

MagAO-X: project status and first laboratory results

Julien Lozi, Olivier Guyon, Laird M. Close, 2018, Astronomical Telescopes + Instrumentation.

Constraining orbits and masses of stellar companions with SCExAO imaging and REACH spectroscopy

Julien Lozi, Olivier Guyon, Nemanja Jovanovic, 2020, Astronomical Telescopes + Instrumentation.

Multi-star wavefront control with SCExAO instrument: demonstration with an internal source

Julien Lozi, Olivier Guyon, Ruslan Belikov, 2021, Optical Engineering + Applications.

High-contrast integral field spectropolarimetry of planet-forming disks with SCExAO/CHARIS

Julien Lozi, Olivier Guyon, Tyler D. Groff, 2021, Optical Engineering + Applications.

A new type of exoplanet direct imaging search: a SCExAO/CHARIS survey of accelerating stars

Julien Lozi, Olivier Guyon, Timothy D. Brandt, 2021, Optical Engineering + Applications.

SCExAO: a testbed for developing high-contrast imaging technologies for ELTs

Frantz Martinache, Julien Lozi, Olivier Guyon, 2021, Optical Engineering + Applications.

Full characterization of the instrumental polarization effects of the spectropolarimetric mode of SCExAO/CHARIS

Frantz Martinache, Julien Lozi, Olivier Guyon, 2021, Optical Engineering + Applications.

High contrast imaging wavefront sensor referencing from coronagraphic images

Julien Lozi, Olivier Guyon, Eric Gendron, 2021, Techniques and Instrumentation for Detection of Exoplanets X.

Predictive control for adaptive optics using neural networks

Julien Lozi, Olivier Guyon, Peter G. Tuthill, 2021, Journal of Astronomical Telescopes, Instruments, and Systems.

Scalable photonic-based nulling interferometry with the dispersed multi-baseline GLINT instrument

Nick Cvetojevic, Julien Lozi, Olivier Guyon, 2021, Nature Communications.

High contrast imaging at the photon noise limit with self-calibrating WFS/C systems

Frantz Martinache, Julien Lozi, Olivier Guyon, 2021, Optical Engineering + Applications.

SCExAO AND GPI Y JH BAND PHOTOMETRY AND INTEGRAL FIELD SPECTROSCOPY OF THE YOUNG BROWN DWARF COMPANION TO HD 1160

Julien Lozi, Olivier Guyon, Timothy D. Brandt, 2016, 1610.05786.

Subaru/SCExAO First-light Direct Imaging of a Young Debris Disk around HD 36546

Julien Lozi, Olivier Guyon, Masayuki Kuzuhara, 2017 .

Wavefront Sensing and Control R&D on the SCExAO Testbed

Frantz Martinache, Julien Lozi, Olivier Guyon, 2020 .

Focal-plane wavefront sensing with the vector-Apodizing Phase Plate

Frantz Martinache, Julien Lozi, Olivier Guyon, 2019, Astronomy & Astrophysics.

No Clear, Direct Evidence for Multiple Protoplanets Orbiting LkCa 15: LkCa 15 bcd are Likely Inner Disk Signals

Frantz Martinache, Julien Lozi, Olivier Guyon, 2019, The Astrophysical Journal.

The Subaru Coronagraphic Extreme AO project

Frantz Martinache, Julien Lozi, Olivier Guyon, 2009 .

Isochronal age-mass discrepancy of young stars: SCExAO/CHARIS integral field spectroscopy of the HIP 79124 triple system

Frantz Martinache, Julien Lozi, Olivier Guyon, 2018, Astronomy & Astrophysics.

MEC: the MKID exoplanet camera for high contrast astronomy at Subaru (Conference Presentation)

Julien Lozi, Olivier Guyon, Nemanja Jovanovic, 2018, Ground-based and Airborne Instrumentation for Astronomy VII.

A Demonstration of a Versatile Low-order Wavefront Sensor Tested on Multiple Coronographs

Frantz Martinache, Julien Lozi, Olivier Guyon, 2017 .

Visible and Near-infrared Laboratory Demonstration of a Simplified Pyramid Wavefront Sensor

Shane Jacobson, Frantz Martinache, Julien Lozi, 2019, Publications of the Astronomical Society of the Pacific.

Overview of focal plane wavefront sensors to correct for the Low Wind Effect on SUBARU/SCExAO

Frantz Martinache, Alban Ceau, Julien Lozi, 2019, 1912.10179.

Technology Milestone Whitepaper EXCEDE Technology Milestone # 2 : Broadband Contrast Demonstration

Julien Lozi, Olivier Guyon, Glenn Schneider, 2015 .

Measurements of Speckle Lifetimes in Near-infrared Extreme Adaptive Optics Images for Optimizing Focal Plane Wavefront Control

Donald N. B. Hall, Frantz Martinache, Julien Lozi, 2018, Publications of the Astronomical Society of the Pacific.

Multi-epoch Direct Imaging and Time-variable Scattered Light Morphology of the HD 163296 Protoplanetary Disk

Frantz Martinache, Julien Lozi, Olivier Guyon, 2018, The Astrophysical Journal.

A Chromaticity Analysis and PSF Subtraction Techniques for SCExAO/CHARIS Data

Frantz Martinache, Julien Lozi, Olivier Guyon, 2019, The Astronomical Journal.

On-sky verification of Fast and Furious focal-plane wavefront sensing: Moving forward toward controlling the island effect at Subaru/SCExAO

Frantz Martinache, Julien Lozi, Olivier Guyon, 2020, Astronomy & Astrophysics.

Calibration of the island effect: Experimental validation of closed-loop focal plane wavefront control on Subaru/SCExAO

Frantz Martinache, David Mary, Alban Ceau, 2017 .

Precision Photometric and Astrometric Calibration Using Alternating Satellite Speckles

Frantz Martinache, Julien Lozi, Olivier Guyon, 2020 .

SCExAO/CHARIS Near-infrared Direct Imaging, Spectroscopy, and Forward-Modeling of κ And b: A Likely Young, Low-gravity Superjovian Companion

Frantz Martinache, Julien Lozi, Olivier Guyon, 2018, The Astronomical Journal.

On-sky demonstration of low-order wavefront sensing and control with focal plane phase mask coronagraphs

Frantz Martinache, Julien Lozi, Olivier Guyon, 2015 .

Capabilities of a fibered imager on an extremely large telescope.

Nick Cvetojevic, Julien Lozi, Olivier Guyon, 2019, 2010.10733.