Benjamin A. Mazin
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View article: MOMOS: The Multi-Object MKID Optical Spectrometer Simulator and Data Reduction Package
MOMOS: The Multi-Object MKID Optical Spectrometer Simulator and Data Reduction Package Open
The Multi-Object MKID Optical Spectrometer (MOMOS) is a proposed visible wavelength spectrograph that uses microwave kinetic inductance detectors (MKIDs) targeting an initial resolving power of 3500 for up to five fiber inputs. With their …
View article: SCExAO/CHARIS Spectroscopic Characterization of Cloudy L/T Transition Companion Brown Dwarf HIP 93398 B
SCExAO/CHARIS Spectroscopic Characterization of Cloudy L/T Transition Companion Brown Dwarf HIP 93398 B Open
Brown dwarfs with measured dynamical masses and spectra from direct imaging are benchmarks that anchor substellar atmosphere cooling and evolution models. We present Subaru SCExAO/CHARIS infrared spectroscopy of HIP 93398 B, a brown dwarf …
View article: Subaru/CHARIS High-resolution Mode Spectroscopy of the Brown Dwarf Companion HD 33632 Ab
Subaru/CHARIS High-resolution Mode Spectroscopy of the Brown Dwarf Companion HD 33632 Ab Open
Brown dwarfs (BDs) are model degenerate in age and mass. High-contrast imaging and spectroscopy of BD companions to host stars where the mass and age can be independently constrained by dynamics and stellar age indicators, respectively, pr…
View article: The Keck-HGCA Pilot Survey – II. Direct imaging discovery of HD 63754 B, a ∼20 au massive companion near the hydrogen burning limit
The Keck-HGCA Pilot Survey – II. Direct imaging discovery of HD 63754 B, a ∼20 au massive companion near the hydrogen burning limit Open
We present the joint astrometric and direct imaging discovery, mass measurement, and orbital analysis of HD 63754 B (HIP 38216 B), a companion near the stellar-substellar boundary orbiting $\sim$20 au from its Sun-like host. HD 63754 was o…
View article: Subaru/CHARIS High-Resolution Mode Spectroscopy of the Brown Dwarf Companion HD 33632 Ab
Subaru/CHARIS High-Resolution Mode Spectroscopy of the Brown Dwarf Companion HD 33632 Ab Open
Brown dwarfs (BD) are model degenerate in age and mass. High-contrast imaging and spectroscopy of BD companions to host stars where the mass and age can be independently constrained by dynamics and stellar age indicators respectively provi…
View article: MagAO-X: Commissioning Results and Status of Ongoing Upgrades
MagAO-X: Commissioning Results and Status of Ongoing Upgrades Open
MagAO-X is the coronagraphic extreme adaptive optics system for the 6.5 m Magellan Clay Telescope. We report the results of commissioning the first phase of MagAO-X. Components now available for routine observations include: the >2 kHz hig…
View article: MKIDGen3: Energy-Resolving, Single-Photon-Counting MKID Readout on an RFSoC
MKIDGen3: Energy-Resolving, Single-Photon-Counting MKID Readout on an RFSoC Open
Building large, cryogenic MKID arrays requires processing highly-multiplexed, wideband readout signals in real time; a task that has previously required large, heavy, and power-intensive custom electronics. In this work, we present the thi…
View article: Update on X-ray Microcalorimeter Arrays Based on Thermal MKIDs (TKIDs)
Update on X-ray Microcalorimeter Arrays Based on Thermal MKIDs (TKIDs) Open
We report progress on the development of x-ray microcalorimeter thermal kinetic inductance detector (TKID) arrays, where each TKID is an independent pixel. Our goal in developing this detector technology is to arrive at high quantum effici…
View article: Update on X-Ray Microcalorimeter Arrays Based on Thermal MKIDs (TKIDs)
Update on X-Ray Microcalorimeter Arrays Based on Thermal MKIDs (TKIDs) Open
We report progress on the development of x-ray microcalorimeter TKID detector arrays, where each TKID is an independent pixel. We discuss the evolution of the design, the fabrication and the pulse and energy resolution data obtained from t…
View article: 2023 Astrophotonics Roadmap: pathways to realizing multi-functional integrated astrophotonic instruments
2023 Astrophotonics Roadmap: pathways to realizing multi-functional integrated astrophotonic instruments Open
Photonic technologies offer numerous functionalities that can be used to realize astrophotonic instruments. The most spectacular example to date is the ESO Gravity instrument at the Very Large Telescope in Chile that combines the light-gat…
View article: Improved Flexible Coaxial Ribbon Cable for High-Density Superconducting Arrays
Improved Flexible Coaxial Ribbon Cable for High-Density Superconducting Arrays Open
Superconducting arrays often require specialized, high-density cryogenic cabling capable of transporting electrical signals across temperature stages with minimal loss, crosstalk, and thermal conductivity. We report improvements to the des…
View article: Characterizing the dark count rate of a large-format MKID array
Characterizing the dark count rate of a large-format MKID array Open
We present an empirical measurement of the dark count rate seen in a large-format MKID array identical to those currently in use at observatories such as Subaru on Maunakea. This work provides compelling evidence for their utility in futur…
View article: Characterizing the Dark Count Rate of a Large-Format MKID Array
Characterizing the Dark Count Rate of a Large-Format MKID Array Open
We present an empirical measurement of the dark count rate seen in a large-format MKID array identical to those currently in use at observatories such as Subaru on Maunakea. This work provides compelling evidence for their utility in futur…
View article: Surveying Nearby Brown Dwarfs with HGCA: Direct Imaging Discovery of a Faint, High-Mass Brown Dwarf Orbiting HD 176535 A
Surveying Nearby Brown Dwarfs with HGCA: Direct Imaging Discovery of a Faint, High-Mass Brown Dwarf Orbiting HD 176535 A Open
Brown dwarfs with well-measured masses, ages and luminosities provide direct benchmark tests of substellar formation and evolutionary models. We report the first results from a direct imaging survey aiming to find and characterize substell…
View article: Probing Photon Statistics in Adaptive Optics Images with SCExAO/MEC*
Probing Photon Statistics in Adaptive Optics Images with SCExAO/MEC* Open
We present an experimental study of photon statistics for high-contrast imaging with the Microwave Kinetic Inductance Detector (MKID) Exoplanet Camera (MEC) located behind the Subaru Coronagraphic Extreme Adaptive Optics System at the Suba…
View article: SCExAO and Keck Direct Imaging Discovery of a Low-mass Companion Around the Accelerating F5 Star HIP 5319*
SCExAO and Keck Direct Imaging Discovery of a Low-mass Companion Around the Accelerating F5 Star HIP 5319* Open
We present the direct imaging discovery of a low-mass companion to the nearby accelerating F star, HIP 5319, using SCExAO coupled with the CHARIS, VAMPIRES, and MEC instruments in addition to Keck/NIRC2 imaging. CHARIS JHK (1.1–2.4 μ m) sp…
View article: Probing Photon Statistics in Adaptive Optics Images with SCExAO/MEC
Probing Photon Statistics in Adaptive Optics Images with SCExAO/MEC Open
We present an experimental study of photon statistics for high-contrast imaging with the Microwave Kinetic Inductance Detector (MKID) Exoplanet Camera (MEC) located behind the Subaru Coronagraphic Extreme Adaptive Optics System (SCExAO) at…
View article: SCExAO and Keck Direct Imaging Discovery of a Low-Mass Companion Around the Accelerating F5 Star HIP 5319
SCExAO and Keck Direct Imaging Discovery of a Low-Mass Companion Around the Accelerating F5 Star HIP 5319 Open
We present the direct imaging discovery of a low-mass companion to the nearby accelerating F star, HIP 5319, using SCExAO coupled with the CHARIS, VAMPIRES, and MEC instruments in addition to Keck/NIRC2 imaging. CHARIS $JHK$ (1.1-2.4 $μ$m)…
View article: Membraneless Phonon Trapping and Resolution Enhancement in Optical Microwave Kinetic Inductance Detectors
Membraneless Phonon Trapping and Resolution Enhancement in Optical Microwave Kinetic Inductance Detectors Open
Microwave Kinetic Inductance Detectors (MKIDs) sensitive to light in the ultraviolet to near-infrared wavelengths are superconducting micro-resonators that are capable of measuring photon arrival times to microsecond precision and estimati…
View article: Membrane-less phonon trapping and resolution enhancement in optical\n microwave kinetic inductance detectors
Membrane-less phonon trapping and resolution enhancement in optical\n microwave kinetic inductance detectors Open
Microwave Kinetic Inductance Detectors (MKIDs) sensitive to light in the\nultraviolet to near-infrared wavelengths are superconducting micro-resonators\nthat are capable of measuring photon arrival times to microsecond precision and\nestim…
View article: The MKID Pipeline: A Data Reduction and Analysis Pipeline for UVOIR MKID Data
The MKID Pipeline: A Data Reduction and Analysis Pipeline for UVOIR MKID Data Open
We present the Microwave Kinetic Inductance Detector (MKID) Pipeline, which is a general use science data pipeline for the reduction and analysis of ultraviolet, optical, and infrared MKID data sets. This paper provides an introduction to …
View article: Highly-Multiplexed Superconducting Detector Readout: Approachable High-Speed FPGA Design
Highly-Multiplexed Superconducting Detector Readout: Approachable High-Speed FPGA Design Open
This work presents the design and preliminary performance of a highly-multiplexed superconducting detector readout. The readout system is implemented on the Xilinx ZCU111 RFSoC Evaluation Board. The current design uses 12% of the DSPs, 60%…
View article: Photon counting from the vacuum ultraviolet to the short wavelength infrared using semiconductor and superconducting technologies
Photon counting from the vacuum ultraviolet to the short wavelength infrared using semiconductor and superconducting technologies Open
In the last decade, several photon counting technologies have been developed opening a new window for experiments in the low photon number regime. Several ongoing and future projects in HEP benefit from these developments, which will also …
View article: The MKID Science Data Pipeline
The MKID Science Data Pipeline Open
We present The MKID Pipeline, a general use science data pipeline for the reduction and analysis of ultraviolet, optical and infrared (UVOIR) Microwave Kinetic Inductance Detector (MKID) data sets. This paper provides an introduction to th…
View article: Orbital Parameters and Binary Properties of 37 FGK Stars in the Cores of Open Clusters NGC 2516 and NGC 2422
Orbital Parameters and Binary Properties of 37 FGK Stars in the Cores of Open Clusters NGC 2516 and NGC 2422 Open
We present orbits for 24 binaries in the field of open cluster NGC 2516 (∼150 Myr) and 13 binaries in the field of open cluster NGC 2422 (∼130 Myr) using results from a multiyear radial-velocity (RV) survey of the cluster cores. Six of the…
View article: Improving the energy resolution of photon counting microwave kinetic inductance detectors using principal component analysis
Improving the energy resolution of photon counting microwave kinetic inductance detectors using principal component analysis Open
We develop a photon energy measurement scheme for single photon counting Microwave Kinetic Inductance Detectors (MKIDs) that uses principal component analysis (PCA) to measure the energy of an incident photon from the signal ("photon pulse…
View article: Improving the energy resolution of photon counting Microwave Kinetic\n Inductance Detectors using principal component analysis
Improving the energy resolution of photon counting Microwave Kinetic\n Inductance Detectors using principal component analysis Open
We develop a photon energy measurement scheme for single photon counting\nMicrowave Kinetic Inductance Detectors (MKIDs) that uses principal component\nanalysis (PCA) to measure the energy of an incident photon from the signal\n("photon pu…
View article: High contrast imaging at the photon noise limit with self-calibrating\n WFS/C systems
High contrast imaging at the photon noise limit with self-calibrating\n WFS/C systems Open
High contrast imaging (HCI) systems rely on active wavefront control (WFC) to\ndeliver deep raw contrast in the focal plane, and on calibration techniques to\nfurther enhance contrast by identifying planet light within the residual\nspeckl…
View article: High contrast imaging at the photon noise limit with self-calibrating WFS/C systems
High contrast imaging at the photon noise limit with self-calibrating WFS/C systems Open
High contrast imaging (HCI) systems rely on active wavefront control (WFC) to deliver deep raw contrast in the focal plane, and on calibration techniques to further enhance contrast by identifying planet light within the residual speckle h…
View article: SCExAO, a testbed for developing high-contrast imaging technologies for ELTs
SCExAO, a testbed for developing high-contrast imaging technologies for ELTs Open
To directly detect exoplanets and protoplanetary disks, the development of high accuracy wavefront sensing and control (WFS&C) technologies is essential, especially for ground-based Extremely Large Telescopes (ELTs). The Subaru Coronagraph…