10.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- D. Stern3 profiles493 · h 97
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44 papers · 2 filters
Optimizing the subwavelength grating of L-band Annular Groove Phase Masks for high coronagraphic performance
Ernesto Vargas Catalan, Elsa Huby, Pontus Forsberg +9
Context. The Annular Groove Phase Mask (AGPM) is one possible implementation of the vector vortex coronagraph, where the helical phase ramp is produced by a concentric subwavelengt…
Speckle suppression and companion detection using coherent differential imaging
Michael Bottom, J. Kent Wallace, Randall D. Bartos +2
Residual speckles due to aberrations arising from optical errors after the split between the wavefront sensor and the science camera path are the most significant barriers to imagi…
Magnetic field dependence of the internal quality factor and noise performance of lumped-element kinetic inductance detectors
Daniel Flanigan, Bradley R. Johnson, Maximilian H. Abitbol +8
We present a technique for increasing the internal quality factor of kinetic inductance detectors (KIDs) by nulling ambient magnetic fields with a properly applied magnetic field.…
iLocater: A Diffraction-limited Doppler Spectrometer for the Large Binocular Telescope
Justin R. Crepp, Jonathan Crass, David King +31
We are developing a stable and precise spectrograph for the Large Binocular Telescope (LBT) named "iLocater." The instrument comprises three principal components: a cross-dispersed…
The iLocater cryostat: design and thermal control strategy for precision radial velocity measurements
Jonathan Crass, Louis G. Fantano, Frederick R. Hearty +8
The current generation of precision radial velocity (RV) spectrographs are seeing-limited instruments. In order to achieve high spectral resolution on 8m class telescopes, these sp…
A detector interferometric calibration experiment for high precision astrometry
A. Crouzier, F. Malbet, F. Henault +23
Context: Exoplanet science has made staggering progress in the last two decades, due to the relentless exploration of new detection methods and refinement of existing ones. Yet ast…
Taming outliers in pulsar-timing datasets with hierarchical likelihoods and Hamiltonian sampling
Michele Vallisneri, Rutger van Haasteren
Pulsar-timing datasets have been analyzed with great success using probabilistic treatments based on Gaussian distributions, with applications ranging from studies of neutron-star…
Coherent observations of gravitational radiation with LISA and gLISA
Massimo Tinto, Jose' Carlos N. de Araujo
The geosynchronous Laser Interferometer Space Antenna (gLISA) is a space-based gravitational wave (GW) mission that, for the past five years, has been under joint study at the Jet…
Unveiling the Dynamic Infrared Sky with Gattini-IR
Anna M. Moore, Mansi M. Kasliwal, Christopher R. Gelino +10
While optical and radio transient surveys have enjoyed a renaissance over the past decade, the dynamic infrared sky remains virtually unexplored. The infrared is a powerful tool fo…
Status of the Planet Formation Imager (PFI) concept
Michael J. Ireland, John D. Monnier, Stefan Kraus +11
The Planet Formation Imager (PFI) project aims to image the period of planet assembly directly, resolving structures as small as a giant planet's Hill sphere. These images will be…
Architecture design study and technology roadmap for the Planet Formation Imager (PFI)
John D. Monnier, Michael J. Ireland, Stefan Kraus +15
The Planet Formation Imager (PFI) Project has formed a Technical Working Group (TWG) to explore possible facility architectures to meet the primary PFI science goal of imaging plan…
Planet Formation Imager (PFI): science vision and key requirements
Stefan Kraus, John D. Monnier, Michael J. Ireland +75
The Planet Formation Imager (PFI) project aims to provide a strong scientific vision for ground-based optical astronomy beyond the upcoming generation of Extremely Large Telescopes…
The Far-Infrared Surveyor Mission Study: Paper I, the Genesis
M. Meixner, A. Cooray, R. Carter +27
This paper describes the beginning of the Far-Infrared Surveyor mission study for NASA's Astrophysics Decadal 2020. We describe the scope of the study, and the open process approac…
Prime Focus Spectrograph (PFS) for the Subaru Telescope: Overview, recent progress, and future perspectives
Naoyuki Tamura, Naruhisa Takato, Atsushi Shimono +97
PFS (Prime Focus Spectrograph), a next generation facility instrument on the 8.2-meter Subaru Telescope, is a very wide-field, massively multiplexed, optical and near-infrared spec…
The Current Status of Prime Focus Instrument of Subaru Prime Focus Spectrograph
Shiang-Yu Wang, Mark A. Schwochert, Pin-Jie Huang +23
The Prime Focus Spectrograph (PFS) is a new optical/near-infrared multi-fiber spectrograph design for the prime focus of the 8.2m Subaru telescope. PFS will cover 1.3 degree diamet…
The IPAC Image Subtraction and Discovery Pipeline for the intermediate Palomar Transient Factory
Frank Masci, Russ Laher, Umaa Rebbapragada +17
We describe the near real-time transient-source discovery engine for the intermediate Palomar Transient Factory (iPTF), currently in operations at the Infrared Processing and Analy…
The latest results from DICE (Detector Interferometric Calibration Experiment)
A. Crouzier, F. Malbet, F. Henault +23
Theia is an astrometric mission proposed to ESA in 2014 for which one of the scientific objectives is detecting Earth-like exoplanets in the habitable zone of nearby solar-type sta…
BICEP3 focal plane design and detector performance
H. Hui, P. A. R. Ade, Z. Ahmed +56
BICEP3, the latest telescope in the BICEP/Keck program, started science observations in March 2016. It is a 550mm aperture refractive telescope observing the polarization of the co…
Apodized vortex coronagraph designs for segmented aperture telescopes
Garreth Ruane, Jeffrey Jewell, Dimitri Mawet +2
Current state-of-the-art high contrast imaging instruments take advantage of a number of elegant coronagraph designs to suppress starlight and image nearby faint objects, such as e…
The QACITS pointing sensor: from theory to on-sky operation on Keck/NIRC2
Elsa Huby, Olivier Absil, Dimitri Mawet +5
Small inner working angle coronagraphs are essential to benefit from the full potential of large and future extremely large ground-based telescopes, especially in the context of th…
Three years of harvest with the vector vortex coronagraph in the thermal infrared
Olivier Absil, Dimitri Mawet, Mikael Karlsson +25
For several years, we have been developing vortex phase masks based on sub-wavelength gratings, known as Annular Groove Phase Masks. Etched onto diamond substrates, these AGPMs are…
BICEP3 performance overview and planned Keck Array upgrade
J. A. Grayson, P. A. R. Ade, Z. Ahmed +56
BICEP3 is a 520 mm aperture, compact two-lens refractor designed to observe the polarization of the cosmic microwave background (CMB) at 95 GHz. Its focal plane consists of modular…
Optical Characterization of the BICEP3 CMB Polarimeter at the South Pole
K. S. Karkare, P. A. R. Ade, Z. Ahmed +56
BICEP3 is a small-aperture refracting cosmic microwave background (CMB) telescope designed to make sensitive polarization maps in pursuit of a potential B-mode signal from inflatio…
Polarization Sensitive Multi-Chroic MKIDs
Bradley R. Johnson, Daniel Flanigan, Maximilian H. Abitbol +18
We report on the development of scalable prototype microwave kinetic inductance detector (MKID) arrays tailored for future multi-kilo-pixel experiments that are designed to simulta…