PROGRAM
Days: Monday, March 23rd Tuesday, March 24th Wednesday, March 25th Thursday, March 26th
Monday, March 23rd
View this program: with abstractssession overviewtalk overview
09:00-09:40 Session Keynote 1: Alvaro Gonzalez - The ALMA 2030 Wideband Sensitivity Upgrade (WSU): An Overview
Chair:
Jian Rong Gao (SRON and TU Delft, Netherlands)
| 09:00 | The ALMA 2030 Wideband Sensitivity Upgrade (WSU): An Overview |
09:40-10:40 Session THz Instrumentation: THz Instrumentation
Chair:
Jian Rong Gao (SRON and TU Delft, Netherlands)
| 09:40 | Band 2 receivers for ALMA (abstract) |
| 10:00 | The ALMA Band 6v2 Receiver: Design and Performance (abstract) PRESENTER: Alessandro Navarrini |
| 10:20 | A 230 GHz ALMA-Style Receiver for LLAMA and AMT (abstract) PRESENTER: Ronald Hesper |
11:00-12:40 Session THz Systems: THz Systems
Chair:
Andrey Khudchenko (Astro Space Center of Lebedev Physical Institute RAS, Moscow, Russia, Russia)
| 11:00 | he 15-m Xue-shan-mu-chang SubMillimeter Telescope (XSMT) and Its Current Status (abstract) PRESENTER: Sheng-Cai Shi |
| 11:20 | Deployment of Terahertz technology at the APEX telescope (abstract) PRESENTER: Nicolas Reyes |
| 11:40 | Mini-CHAI, a First Light Heterodyne Instrument for the CCAT Observatory (abstract) PRESENTER: Matthias Justen |
| 12:00 | Multi Frequency Front-end for African Millimeter Telescope (abstract) PRESENTER: Andrey Baryshev |
| 12:20 | Solar Observation with SIS receivers at the Submillimeter Array (abstract) PRESENTER: Edward Tong |
12:40-13:35Lunch Break
13:35-14:35 Session Poster Session 1: Poster Session - All posters including Student Competition
Thermal and electric models of the HEB NDR mixer (abstract) PRESENTER: Boris Karasik |
Characterization of 3.4 THz In0.22Ga0.78As Anti-Parallel Schottky Diode Mixers (abstract) PRESENTER: Divya Jayasankar |
Waveguide Structures for a Sideband-Separating Receivers of the Millimetron Space Observatory (abstract) |
Direct measurement of the IF impedance for a 1.1-1.4 mm range SIS mixer (abstract) |
A new Cartridge Receiver Channel for the SEPIA Instrument at APEX (abstract) PRESENTER: Mathias Fredrixon |
High Resolution Spectrometer of the Millimetron space observatory (abstract) PRESENTER: Ivan Tretyakov |
WR-5.1 Schottky-Based SPDT and SP3T Switches for Auto-Calibrated mm-Wave Front-End Receivers (abstract) PRESENTER: Oleg Cojocari |
A 3 mW Local Oscillator Single-Chip Schottky Tripler at 1.1 THz (abstract) PRESENTER: Oleg Cojocari |
Resolving Quantized Supercurrent Suppression in Graphene Josephson Junctions under Near-Infrared Illumination (abstract) PRESENTER: Wei Miao |
Planar Directional Coupler and LO Divider for Integrated Heterodyne Receiver at 220 GHz (abstract) |
RT-PO Modeling of Hybrid Domes for Wide-Angle Multibeam Array Antennas (abstract) |
Design Study of an SIS Junction array for a125-211 GHz Receiver with Wide Instantaneous Bandwidth (abstract) PRESENTER: Yan Jun Wang |
Semi–Analytic Design of a Three–Stage Elliptic–Rod Half–Wave Plate for the 330–365 GHz Band (abstract) |
Interdigital Bandpass Filter for Radioastronomy (abstract) |
Development of 6-inch detector modules for CMB observations at IHEP (abstract) PRESENTER: Shibo Shu |
A Geodesic H-Plane Horn Integrated E-Plane Metallic Lens Antenna (abstract) |
Computational optimization applied to the electromagnetic design of radio-astronomical instrumentation. (abstract) |
Production of ALMA receivers, lessons learned from Band 9, 5 and 2. (abstract) PRESENTER: Marielle Bekema |
SIS mixer prototypes for sub-mm astronomy applications (abstract) PRESENTER: Kirill Rudakov |
Spinning Array Antenna Radio Telescope (abstract) PRESENTER: Oskar Zetterstrom |
Design of compact front-illuminated CMOS terahertz detectors based on high-impedance planar inverted-F antennas (abstract) PRESENTER: Marta Ferreras |
Material Measurements at D-Band Using a Multi-Line Calibration Method (abstract) PRESENTER: Daniel Sjöberg |
A Photonic Radiometer Architecture for CubeSat Payloads (abstract) PRESENTER: Jessica César-Cuello |
Design of a 2.7 THz dual-polarized quasi-optical HEB mixer (abstract) PRESENTER: J.R. Gao |
Tropospheric Phase Correction Using Water Vapor Radiometers (abstract) PRESENTER: Kyle Massingill |
Benefits of the Zero-IF receiver architecture for future ultra-wideband sub-mm radio telescopes (abstract) |
ALMA WSU: The Wideband Intermediate Frequency Processor - WIPF (abstract) PRESENTER: Neil Phillips |
Split-Block Defects Mitigation Using an MHT Symmetry Metasurface (abstract) |
Phase locking and characterization of a 4.7 THz quantum cascade laser using a superlattice diode harmonic mixer (abstract) PRESENTER: Andrey Khudchenko |
InP SiGe MMIC Receiver for a 3 mm Spectropolarimetric Camera (abstract) PRESENTER: Leidy Peña |
Advanced Additive Manufacturing for Integrated mmWave Waveguide Subsystems (abstract) PRESENTER: Francois Joint |
RFI Monitoring at the Joint ALMA Observatory (abstract) PRESENTER: Giorgio Siringo |
Fabrication of SOI-based submilliter SIS mixers (abstract) PRESENTER: Faouzi Boussaha |
Preliminary Analysis of a 4-Pixel Focal Plane Array Module within an ALMA Band 4 Cartridge (abstract) PRESENTER: Doug Henke |
A 140 GHz Free-Space Signal Modulator Based on GaAs (abstract) PRESENTER: Alexander Shurakov |
Voltage-Dependent Noise Temperature Measurements of MgB2 HEB Mixers with an Unstable FIR Local Oscillator (abstract) PRESENTER: Wouter Laauwen |
Analysis of power coupling between metalens and antenna (abstract) PRESENTER: Dingding Ren |
Design of a Millimetre Three-Wave Mixing Kinetic Inductance Parametric Amplifier (abstract) PRESENTER: Boon Kok Tan |
Properties of NbTiN-Nb-Al/AlOx/Nb tunnel junctions in dependence of Nb interlayer thickness. (abstract) |
Feasibility study of the simultaneous dual-band heterodyne receiver based on waveguide diplexers with >52% bandwidth (abstract) PRESENTER: Yuh-Jing Hwang |
Recent Work of the THERA group on heterodyne receivers for astronomy (abstract) PRESENTER: Martina Wiedner |
A Mathematical Model for Broadband and Multiband Anti-Reflective Metamaterial GRIN Lenses (abstract) PRESENTER: Cassandra Whitton |
Automated Tuning Algorithm for FYST CCAT Heterodyne Array Instrument Precursor (abstract) PRESENTER: Kateryna Vynokurova |
Amplitude-Only Holography for Reflector Surface Diagnosis of Large Crossed-Dragone Telescopes (abstract) |
14:35-15:35 Session Opt. Des. & Comp. I: Optical Design & Components I
Chair:
Francisco Pizarro (Pontifical Catholic University of Valparaíso, Chile)
| 14:35 | Simulations of the Submillimeter Array Antenna and Beam Waveguide with the Open-Source Physical Optics Package PyPO (abstract) |
| 14:55 | Optical Design of VLBI Instrument for Millimetron Space Observatory (abstract) PRESENTER: Igor Belkovich |
| 15:15 | Sub-THz geodesic lens antenna with a straight focal arc (abstract) PRESENTER: Pilar Castillo Tapia |
15:35-15:55Coffee Break
15:55-18:00 Session J. Hesler St. Comp.: Jeffrey Hesler Student Competition
Chair:
David Monasterio (NRAO, Chile)
| 15:55 | Jeffrey Hesler Student Competition Introduction |
| 16:00 | Additively Manufactured Dielectric Collimating Truncated Virtual Image Lens Antenna (abstract) |
| 16:15 | Comparison of loss for WM250 waveguides machined in Al and CuTe (abstract) |
| 16:30 | Continuously tunable continuous-wave 1-12 THz source based on difference-frequency mixing in intersubband polaritonic metasurfaces (abstract) |
| 16:45 | Preliminary measured noise temperature performance of band-combining SIS mixers across 200-400 GHz (abstract) |
| 17:00 | Dielectric Radome Design for Enhanced Beam Scanning in Next-Generation Satellite Communications (abstract) |
| 17:15 | Fabrication and Characterization of Quasi-Vertical Schottky Diodes with Integrated MIM Capacitors for Millimeter Wave Applications (abstract) |
| 17:30 | Subharmonic 2 THz GaAs MMIC mixer for astronomy applications (abstract) |
| 17:45 | Measurement of THz SIS mixer response using IF output (abstract) |
Tuesday, March 24th
View this program: with abstractssession overviewtalk overview
09:00-09:40 Session Low Noise Amp.: Low Noise Amplification
Chair:
Edward Tong (Center for Astrophysics | Harvard & Smithsonian, United States)
| 09:00 | Development of well-matched 4-20 GHz InP MMIC-based cryogenic IF LNAs for the future ALMA (abstract) PRESENTER: Isaac Lopez-Fernandez |
| 09:20 | Final Results from the Production of the Cryogenic 1st Stage LNA for ALMA Band 2 (abstract) PRESENTER: Fabian Thome |
09:40-10:40 Session Meas. Tech. I: Measurement Techniques I
Chair:
Edward Tong (Center for Astrophysics | Harvard & Smithsonian, United States)
| 09:40 | Investigation of the Conductor Loss of Metallic Waveguide Components in W- and G-band (abstract) PRESENTER: Yuh-Jing Hwang |
| 10:00 | A beam measurement system for cartridge-type cryogenic receivers (abstract) PRESENTER: Erik Sundin |
| 10:20 | Analysis of black coatings for terahertz-frequency radiometric calibration targets using self-mixing interferometry in a quantum-cascade laser (abstract) PRESENTER: Alexander Valavanis |
10:40-11:00Coffee Break
11:00-12:00 Session Meas. Tech. II: Measurement Techniques II
Chair:
Byron Alderman (STFC, UK)
| 11:00 | Terahertz gas spectroscopy of a deuterium exchange at 4.7 THz using metasurface difference frequency generation (abstract) PRESENTER: Nicholas North |
| 11:20 | Photon Bunch Measurements in Terahertz Frequencies (abstract) PRESENTER: Hiroshi Matsuo |
| 11:40 | A Numerical Straight-Line Method to Characterize Optical Losses in a THz Heterodyne Receiver (abstract) PRESENTER: Francois Joint |
12:00-12:40 Session Keynote 2
Chair:
Byron Alderman (STFC, UK)
| 12:00 | Application and Requirements of THz Systems in CubeSats: Insight from a Small-Scale Research Lab |
12:40-13:40Lunch Break
14:40-15:50 Session HEBS: HEBS
Chair:
Martina Wiedner (Observatoire de Paris, France)
| 14:40 | Impedance of Hot-Electron Bolometer Mixers at Terahertz Frequencies – In Memory of Erik L. Kollberg (1937–2023) (abstract) |
| 15:10 | THz Mixer with Negative Differential Resistance (abstract) PRESENTER: Boris Karasik |
| 15:30 | An NbN HEB-based Heterodyne Receiver at 10.7 THz (abstract) PRESENTER: Gregory Goltsman |
15:50-16:10Coffee Break
16:10-17:10 Session SIS Mixers: SIS Mixers
Chair:
Mingjye Wang (ASIAa, Taiwan)
| 16:10 | Development and Performance of the SIS 2SB Mixer for RF Band 210-375GHz (abstract) PRESENTER: Victor Belitsky |
| 16:30 | Prototype of 2SB SIS mixer for 230 GHz Receiver for Millimetron mission (abstract) PRESENTER: Andrey Khudchenko |
| 16:50 | Design and Measurement of SIS Mixers for ALMA Band 6v2 (abstract) PRESENTER: Joseph Lambert |
17:10-17:20Coffee Break
Wednesday, March 25th
View this program: with abstractssession overviewtalk overview
09:00-09:40 Session Keynote 3: Dan Marrone - The Black Hole Explorer (BHEX)
Chair:
Boris Karasik (Jet Propulsion Laboratory, California Institute of Technology, United States)
| 09:00 | The Black Hole Explorer (BHEX) |
09:40-10:40 Session THz Missions: THz Missions
Chair:
Boris Karasik (Jet Propulsion Laboratory, California Institute of Technology, United States)
| 09:40 | Heterodyne Array Receiver Concept for the Line Emission Terahertz Observatory (LETO) ESA M8 Proposal (abstract) PRESENTER: Martina Wiedner |
| 10:00 | Sounding of Atomic Oxygen at 2.06 THz on the DYNAMIC Mission: Proposed concept to NASA Heliophysics Program (abstract) PRESENTER: Imran Mehdi |
| 10:20 | The Arctic Weather Satellite: Reflector Loss Characterization with Microwave Resonator and Cold Space Observations (abstract) PRESENTER: Catalina Medina |
10:40-11:00Coffee Break
11:00-12:40 Session App. of Receivers: Applications of Receivers
Chair:
Sheng-Cai Shi (Purple Mountain Observatory, CAS, China)
| 11:00 | The ESO ALMA Development Studies and their role for the ALMA-WSU (abstract) |
| 11:20 | Update on the Quasi-Linear Harmonic Balance Model for the ALMA Band 6v2 Receiver (abstract) PRESENTER: David Monasterio |
| 11:40 | A Proposed Concept for the Line Emission Terahertz Observatory (LETO) Band 1 SIS Mixer Array Receiver (abstract) PRESENTER: Boon Kok Tan |
| 12:00 | The Submillimeter Wave Instrument on the Jupiter Mission JUICE: Correlation of on-ground calibration and in-flight observations (abstract) PRESENTER: Axel Murk |
| 12:20 | Measuring atomic oxygen with a dual-channel heterodyne spectrometer from a stratospheric balloon (abstract) PRESENTER: Martin Wienold |
12:40-13:40Lunch Break
13:40-14:20 Session Keynote 4: Oscar Quevedo-Teruel - Ray Tracing for Antenna Modelling: Balancing Accuracy and Speed
Chair:
Ricardo Finger (University of Chile, Chile)
| 13:40 | Ray Tracing for Antenna Modelling: Balancing Accuracy and Speed |
14:20-15:00 Session Opt. Des. Comp. II: Optical Design & Components II
Chair:
Ricardo Finger (University of Chile, Chile)
| 14:20 | Dielectric Stack Optical Diplexers for the next generation Event Horizon Telescope and Beyond (abstract) PRESENTER: Keara Carter |
| 14:40 | A Cryogenically Compatible Waveguide Power Divider for ALMA Band 7 Sideband-Separating Receivers (abstract) PRESENTER: Francois Joint |
15:00-15:40 Session Backends: Backends
Chair:
Ricardo Finger (University of Chile, Chile)
| 15:00 | High-Speed Polyphase Filterbank Implementation for Wide-Bandwidth Readout of Microwave Kinetic Inductance Detector (MKID) Arrays for the Habitable Worlds Observatory (abstract) PRESENTER: Tracee Jamison-Hooks |
| 15:20 | The first light of the U-Board based MKID-readout at A-MKID (abstract) PRESENTER: Gerrit Grutzeck |
15:40-16:00Coffee Break
16:00-17:20 Session Superconducting dev.: Superconductive Devices
Chair:
Michael Cyberey (University of Virginia, United States)
| 16:00 | Demonstration of a Single-chip Dual-polarization Sideband-separation SIS mixer at 2 mm Band (abstract) PRESENTER: Wenlei Shan |
| 16:20 | Development of a 300-GHz band SIS mixer for BHEX Mission (abstract) PRESENTER: Yosuke Murayama |
| 16:40 | Study of CPW-embedded Josephson Junction Array THz-Range Oscillator (abstract) PRESENTER: Fedor Khan |
| 17:00 | Development of microwave SQUID multiplexing for millimeter superconducting transition-edge sensor arrays (abstract) PRESENTER: Wen Zhang |
Thursday, March 26th
View this program: with abstractssession overviewtalk overview
09:20-10:10 Session Talk 1: Francisco Mesa - Equivalent Circuits: A Convenient Approach to Study Metasurface
Chair:
Oscar Quevedo-Teruel (KTH Royal Institute of Technology, Sweden)
10:10-10:20Coffee Break
12:20-13:00 Session Talk 2: Sean Hum - Electromagnetic Metasurfaces for Radio Frequency Interference Mitigation and Sensing
Chair:
Oscar Quevedo-Teruel (KTH Royal Institute of Technology, Sweden)
13:00-13:50Lunch Break
13:50-14:30 Session Talk 3: Cristina Yepes - Ultra-Wideband Geodesic Horn Antenna
Chair:
Francisco Pizarro (Pontifical Catholic University of Valparaíso, Chile)
14:30-15:10 Session Talk 4: Agnesse Mazzinghi - Local and Non-Local Methods for RLSA Design
Chair:
Francisco Pizarro (Pontifical Catholic University of Valparaíso, Chile)
15:10-15:50 Session Talk 5: José Rico - Monolithic Additive Manufacturing of High-Frequency RF Components: From Space Communications to Radio Astronomy
Chair:
Francisco Pizarro (Pontifical Catholic University of Valparaíso, Chile)