List of works by Kjetil Dohlen

Achromatic dual-zone phase mask stellar coronagraph

scientific article

Active Optics: stress polishing of toric mirrors for the VLT SPHERE adaptive optics system

scientific article published on 01 May 2009

Active optics and modified-Rumsey wide-field telescopes: MINITRUST demonstrators with vase- and tulip-form mirrors

scientific article

Active optics methods for exoplanet direct imaging. Stress polishing of supersmooth aspherics for VLT-SPHERE planet finder

scientific article published in January 2012

Analytical study of diffraction effects in extremely large segmented telescopes

scientific article published on 01 August 2003

Apodization in high-contrast long-slit spectroscopy ⬇️

scientific article published in Astronomy and Astrophysics

Apodization in high-contrast long-slit spectroscopy. Closer, deeper, fainter, cooler

scientific article

Apodized Lyot coronagraph for SPHERE/VLT

scientific article published on 24 March 2011

Apodized Pupil Lyot coronagraphs with arbitrary aperture telescopes: novel designs using hybrid focal plane masks

scholarly article published 21 August 2018

BIGRE: a low cross-talk integral field unit tailored for extrasolar planets imaging spectroscopy ⬇️

Bringing high-spectral resolution to VLT/SPHERE with a fiber coupling to VLT/CRIRES+

Calibrating SPHERE, the exo-planet imager for the VLT

Calibration of quasi-static aberrations in exoplanet direct-imaging instruments with a Zernike phase-mask sensor

scholarly article

Calibration of quasi-static aberrations in exoplanet direct-imaging instruments with a Zernike phase-mask sensor ⬇️

scientific article published in Astronomy and Astrophysics

Calibration of quasi-static aberrations in exoplanet direct-imaging instruments with a Zernike phase-mask sensor

scientific article published in 2022

Characterisation of a turbulent module for the MITHIC high-contrast imaging testbed

Comparison of methods for detection and characterization of exoplanets with SPHERE/IRDIS

Compensation of high-order quasi-static aberrations on SPHERE with the coronagraphic phase diversity (COFFEE) ⬇️

scientific article

Design of a nano-satellite demonstrator of an infrared imaging space interferometer: the HyperCube

Design optimization and lab demonstration of ZELDA: a Zernike sensor for near-coronagraph quasi-static measurements

Design, analysis, and testing of a microdot apodizer for the apodized pupil Lyot coronagraph

scientific article published in January 2009

Design, analysis, and testing of a microdot apodizer for the apodized pupil Lyot coronagraph. II. Impact of the dot size

scientific article published in January 2009

Design, analysis, and testing of a microdot apodizer for the apodized pupil Lyot coronagraph. III. Application to extremely large telescopes

scientific article published in January 2010

Direct characterization of young giant exoplanets at high spectral resolution by coupling SPHERE and CRIRES+

scientific article published in February 2021

Discovery of a brown dwarf companion to the star HIP 64892

scientific article published in Astronomy and Astrophysics

Discovery of a planetary-mass companion within the gap of the transition disk around PDS 70 ⬇️

scientific article published in Astronomy and Astrophysics

Discovery of a warm, dusty giant planet around HIP 65426

scientific article published in 'Astronomy and Astrophysics' in September 2017

EPICS: the exoplanet imager for the E-ELT

Exoplanet characterization with long slit spectroscopy

scientific article published in Astronomy and Astrophysics

Experimental results with a second-generation Roddier & Roddier phase mask coronagraph

scientific article published in January 2010

Exploring Dust around HD 142527 down to 0.″025 (4 au) Using SPHERE/ZIMPOL

scientific article published in Astronomical Journal

FIRST-SPIRE spectrometer: a novel imaging FTS for the submillimeter

Fast-moving features in the debris disk around AU Microscopii

scientific article

Final performance and lesson-learned of SAXO, the VLT-SPHERE extreme AO: from early design to on-sky results

scholarly article published 7 August 2014

Fine cophasing of segmented aperture telescopes with ZELDA, a Zernike wavefront sensor in the diffraction-limited regime ⬇️

scientific article published in Astronomy and Astrophysics

First laboratory results of SPHERE/IRDIS dual-band imaging and long slit spectroscopy modes

First light of the VLT planet finder SPHERE ⬇️

scientific article published in Astronomy and Astrophysics

First light of the VLT planet finder SPHERE ⬇️

scientific article

First light of the VLT planet finder SPHERE ⬇️

scholarly article

First light of the VLT planet finder SPHERE. III. New spectrophotometry and astrometry of the HR 8799 exoplanetary system ⬇️

scientific article

HARMONI: the first light integral field spectrograph for the E-ELT

article published in 2014

High contrast imaging on the THD bench: progress and upgrades

High contrast polarimetry in the infrared with SPHERE on the VLT

article published in 2014

High-contrast imaging in wide spectral band with a self-coherent camera and achromatic coronagraphs

High-order adaptive optics requirements for direct detection of extrasolar planets: Application to the SPHERE instrument

scientific article published on 01 August 2006

High-order myopic coronagraphic phase diversity (COFFEE) for wave-front control in high-contrast imaging systems

scientific article published in December 2013

Hint of curvature in the orbital motion of the exoplanet 51 Eridani b using 3 yr of VLT/SPHERE monitoring

scientific article

IRDIS filters: from design to qualification

Illustration of the use of multimode deformable plane mirrors to record high-resolution concave gratings: results for the Cosmic Origins Spectrograph gratings of the Hubble Space Telescope

scientific article published on 01 November 1998

Imaging FTS for Herschel SPIRE

Imaging low-mass planets within the habitable zone of α Centauri

Impact of calibration on extrasolar planets direct imaging with IRDIS, the infrared dual-imaging camera and spectrograph for SPHERE

Improved achromatization of phase mask coronagraphs using colored apodization

scientific article published in January 2012

Infrared differential imager and spectrograph for SPHERE: performance assessment for on-sky operation

scholarly article published 28 July 2014

Infrared differential imager and spectrograph for SPHERE: performance status with extreme adaptive optics before shipment to ESO/VLT

Interferential scanning grating position sensor operating in space at 4 K

scientific article published on 01 November 2003

K-Stacker: Keplerian image recombination for the direct detection of exoplanets

scientific article published in Astronomy and Astrophysics

K-Stacker: an algorithm to hack the orbital parameters of planets hidden in high-contrast imaging

scientific article published in July 2020

Laboratory validation of the dual-zone phase mask coronagraph in broadband light at the high-contrast imaging THD testbed ⬇️

scientific article published in January 2016

Laboratory verification of Fast & Furious phase diversity: Towards controlling the low wind effect in the SPHERE instrument

scientific article published in January 2018

Long slit spectroscopy for exoplanet characterization in SPHERE

Luciola hypertelescope space observatory: versatile, upgradable high-resolution imaging, from stars to deep-field cosmology

scientific article published on 17 September 2008

Mach-Zehnder interferometer for piston and tip-tilt sensing in segmented telescopes: theory and analytical treatment

scientific article published on 01 June 2005

Manufacturing and integration of the IRDIS dual imaging camera and spectrograph for SPHERE

Methods for the detection and the characterization of low mass companions using the IFS of SPHERE

Multi-object spectroscopy with the European ELT: scientific synergies between EAGLE and EVE

NEAR: New Earths in the Alpha Cen Region (bringing VISIR as a "visiting instrument" to ESO-VLT-UT4)

OSIRIS – The Scientific Camera System Onboard Rosetta

On-sky compensation of non-common path aberrations with the ZELDA wavefront sensor in VLT/SPHERE

scholarly article published 12 July 2018

On-sky multiwavelength phasing of segmented telescopes with the Zernike phase contrast sensor

scientific article

On-sky results of the ZEUS phasing sensor, closed-loop precision in the context of multi-wavelength measurements

scholarly article published 16 July 2010

Optical and quasi-optical analysis of system components for a far-infrared space interferometer

Optimal method for exoplanet detection by spectral and angular differential imaging

Origin of the asymmetry of the wind driven halo observed in high-contrast images

scientific article published in January 2018

Performance of spatial filtering wavefront sensor for the phasing of segmented telescopes

Performance of the VLT Planet Finder SPHERE ⬇️

scientific article published in Astronomy and Astrophysics

Performance of the VLT Planet Finder SPHERE ⬇️

scholarly article

Performance tests on the SPHERE-IFS

Post-conjunction detection of β Pictoris b with VLT/SPHERE

scientific article

Preliminary results obtained with the ZEUS phasing sensor within the APE experiment

Prime Focus Spectrograph (PFS) for the Subaru telescope: ongoing integration and future plans

scientific article published on 27 July 2018

Prime Focus Spectrograph (PFS) for the Subaru telescope: overview, recent progress, and future perspectives

scientific article published on 9 August 2016

Progress in the Critical Assessment for a Far-Infrared Space Interferometer with Double Fourier Modulation (FP7-FISICA)

Prospects of detecting the polarimetric signature of the Earth-mass planetαCentauri B b with SPHERE/ZIMPOL

scientific article published in Astronomy and Astrophysics

Pushing down with the contrast: scientific performances with SPHERE-IFS

RefPlanets: Search for reflected light from extrasolar planets with SPHERE/ZIMPOL

scholarly article

Results from a multi aperture Fizeau interferometer ground testbed: demonstrator for a future space-based interferometer

SAXO, the SPHERE extreme AO system: on-sky final performance and future improvements

scholarly article published 26 July 2016

SAXO: the extreme adaptive optics system of SPHERE (I) system overview and global laboratory performance

SPHERE IFS: the spectro differential imager of the VLT for exoplanets search

SPHERE IRDIS and IFS astrometric strategy and calibration ⬇️

SPHERE eXtreme AO control scheme: final performance assessment and on sky validation of the first auto-tuned LQG based operational system

scholarly article published 7 August 2014

SPHERE on-sky performance compared with budget predictions

scholarly article published 9 August 2016

SPHERE-IRDIS assembly, integration and testing: from bits and metal to a planet-hunting machine

SPHERE-ZIMPOL system testing: status report on polarimetric high contrast results

SPHERE/IRDIS: final performance assessment of the dual-band imaging and long slit spectroscopy modes

SPHERE/ZIMPOL high resolution polarimetric imager. I. System overview, PSF parameters, coronagraphy, and polarimetry

scientific article published in Astronomy and Astrophysics

SPHERE/ZIMPOL observations of the symbiotic system R Aquarii. I. Imaging of the stellar binary and the innermost jet clouds

scientific article published in Astronomy and Astrophysics

Shadows cast on the transition disk of HD 135344B. Multiwavelength VLT/SPHERE polarimetric differential imaging ⬇️

scientific article published in Astronomy and Astrophysics

Simulation of planet detection with the SPHERE integral field spectrograph

scientific article published in Astronomy and Astrophysics

Speckle temporal stability in XAO coronagraphic images. II. Refine model for quasi-static speckle temporal evolution for VLT/SPHERE

scientific article

Sphere: complete laboratory performance and prediction for on-sky first light

scholarly article published 26 September 2013

Stop-less Lyot coronagraph for exoplanet characterization

scholarly article published 24 September 2012

Stop-less Lyot coronagraph for exoplanet characterization: design, manufacturing, and tests of the apodizer

scholarly article published 7 August 2014

Stop-less Lyot coronagraph for exoplanet characterization: first on-sky validation in VLT/SPHERE

scholarly article published 22 July 2016

Surface characterization of micro-optical components by Foucault's knife-edge method: the case of a micromirror array

scientific article published on 01 November 1999

THERMAP: a mid-infrared spectro-imager for space missions to small bodies in the inner solar system

Tackling down the low wind effect on SPHERE instrument

The E-ELT first light spectrograph HARMONI: capabilities and modes

The ELT-MOS (MOSAIC): towards the construction phase

scientific article

The EPICS project for the European Extremely Large Telescope: outcome of the Planet Finder concept study for OWL

The EPICS project: Exoplanets detection with OWL

The HIP 79977 debris disk in polarized light

scientific article published in Astronomy and Astrophysics

The SPHERE infrared survey for exoplanets (SHINE). II. Observations, data reduction and analysis, detection performances, and initial results

scholarly article

The SPHERE infrared survey for exoplanets (SHINE). III. The demographics of young giant exoplanets below 300 au with SPHERE

scholarly article

The Software Package SPHERE: a CAOS-based numerical tool for end-to-end simulations of SPHERE/VLT

The adaptive optics modes for HARMONI: from Classical to Laser Assisted Tomographic AO

scientific article published on 26 July 2016

The infra-red dual imaging and spectrograph for SPHERE: design and performance

scholarly article published 12 July 2008

TheHerschel-SPIRE instrument and its in-flight performance

scientific article published in Astronomy and Astrophysics

Tip-tilt error for extremely large segmented telescopes: detailed theoretical point-spread-function analysis and numerical simulation results

scientific article published on 01 July 2002

VLT/SPHERE deep insight of NGC 3603's core: Segregation or confusion? ⬇️

scientific article published in January 2016

ZELDA, a Zernike wavefront sensor for the fine measurement of quasi-static aberrations in coronagraphic systems: concept studies and results with VLT/SPHERE

ZEUS: a cophasing sensor based on the Zernike phase contrast method

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