Preparing ALMA for the next decade and beyond

The ALMA Frontend

The ALMA Signal Chain Working Group: bridging the gap between Frontends and Correlator for ALMA 2030

Sensitivity and a Wideband Metric for ALMA

Discussion (lead: John Carpenter)

Antenna losses and efficiency - 'hidden' contributions to system sensitivity

Development of complex permittivity measurement system

Development of receiver optics components using AM technology

Development of silicon vacuum windows

Development of new optics for a 7-beam receiver in 72-116 GHz band onboard the Nobeyama 45-m telescope

Discussion (lead: Martina Wiedner)

ALMA Band 1 receiver status

Band 2 receiver development

NRC-HAA Cryogenic Radio Receiver Development

Cryogenic LNA Development at UoM

Discussion (lead: Doug Henke)

Wideband Technology development for ALMA receiver upgrades at NAOJ

SIS based mixers development for radio astronomy

On Extending the IF Bandwidth of ALMA Band # 6 SIS Mixers

ALMA Band 6v2 Receiver Upgrade

ALMA Band 6 Local Oscillator Noise Improvement

The status of SIS Process Development at GARD

The development of low-noise, wide-band SIS mixer receivers based on a zero-IF architecture

Discussion (lead: Neil Phillips)

4 - Receivers (SIS): Broad IF band vs. Broad RF Band

Development of a new wideband heterodyne receiver system (RF: 210–375 GHz, IF: 4–21 GHz) for the Osaka 1.85-mm mm-submm telescope

Development of Band 7+8 Cartridge Receiver

On-going mixer developments at IRAM

Dual Band upgrade of NOEMA Receivers

Developing for ALMA's future at NOVA

Discussion (lead: Kamaljeet Saini)

Design of optical components (for FPAs)

Preliminary optics investigation for ALMA multibeam receiver

Focal plane array concept for ALMA

Development of a 2 x 64 pixel heterodyne focal plane array receiver for the 450-500 GHz and 800-820 GHz bands

Heterodyne Array Receivers for Space and Ground Based Applications

Development of hybrid technology (InP/Si) integrated modules for future mm-wave arrays

Demonstration of a Millimeter-wave Multibeam Receiver Implemented with Superconducting MMICs

Discussion (lead: Crystal Brogan)

Superconducting Parametric Amplifiers for Radio Astronomy

ALMA 2030 and beyond: front end technology improvement

Development of a multiband heterodyne receiver with 49 GHz of instantaneous IF Bandwidth

Discussion (lead: Tony Mroczkowski)