Makidon Lab Operations in Wake of Covid-19
April
17, 2020
A message from the lab on operations and COVID-19.
Intro
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235th Meeting of the American Astronomical Society
January 13, 2020From January 4th-8th, lab members and collaborators attended the 235th meeting of the American Astronomical Society held in Honolulu, Hawaii.
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2019 Spirit of Lyot Conference Report
November 8, 2019In late October, a subset of the Makidon lab group set out to Tokyo to attend the “Spirit of Lyot” conference. Happening only every 3-5 years, this conference brings together everybody working in high-contrast imaging, sharing their work in the spirit of Bernard Lyot, the inventor of the coronagraph.
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2019 SPIE Conference Report
August 21, 2019August 11- 15, lab members attended the 2019 SPIE Optics + Photonics conference in San Diego.
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233rd American Astronomical Society Meeting
January 20, 2019The optics lab takes a trip to Seattle, WA to present work on James Webb Space Telescope and Apodized Pupil Lyot Coronagraph designs.
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2018 SPIE Conference Report
June 18, 2018From June 10th to June 15th, the lab team attended the SPIE conference in Austin-Texas to present the latest results it obtained on various on-going experiments.
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HiCAT: Johns Hopkins University Students' Project
June 4, 2018The demanding requirements for HiCAT drives continual innovation. The precise optics work best in a controlled, enclosed area which has to be taken into account when designing the chamber.
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HiCAT: First Demonstration of a Coronagraph Dark Zone in Broadband Light with a Segmented Aperture
April 22, 2018Recently on HiCAT, we obtained a very first dark hole with a broadband light source, combining a segmented aperture, a coronagraph (Apodized Pupil Lyot Coronagraph or APLC), and wavefront control (the Speckle Nulling method, now running on demand in any configuration).
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HiCAT: First Results with the COFFEE Wavefront Sensor
April 4, 2018Last week, Jean-François Sauvage (from the Office National d’Etudes et de Recherches Aérospatiales and the Laboratoire d’Astrophysique de Marseille) has been invited by STScI to come to the Makidon Lab to implement and test the COFFEE wavefront sensor on HiCAT data.
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JOST: Installation of the HiCAT Python Package
March 28, 2018For a couple of years now, our group had been doing really good work in developing first-class coronagraph technology and wavefront sensing techniques for segmented apertures. During this process, one of the focus points of the work is to create a concise python package which controls the HiCAT testbed and its environment and which would eventually be ready to be freely shared for implementation on other high-contrast testbeds.
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PASTIS: Applications to Sensitivity Analysis of Segmented Telescopes
February 26, 2018Take a deeper look into how PASTIS is used for sensitivity analysis of segmented telescopes.
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JOST: Integration of a New Camera
February 21, 2018Out with the old, in with the new. JOST got a new camera that is brand-spanking-new!
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HiCAT: Second Deformable Mirror(DM) Calibrated and Installed
February 15, 2018Update on our second deformable mirror.
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Pair-based Analytical model for Segmented Telescopes Imaging from Space (PASTIS): Introduction to the Model
February 13, 2018The PASTIS model provides a fast way to compute the contrast in the dark hole generated by a coronagraph, and affected by local errors on the segments. In this post, we introduce our very first results using this model and compare them with the outputs of a traditional end-to-end simulation.
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For more information about the Russell B. Makidon Optics Laboratory, please contact Rémi Soummer.