The ALMA Development Roadmap
J. Carpenter, D. Iono, L. Testi, N. Whyborn, A. Wootten, N. Evans

TL;DR
This paper presents a development roadmap for ALMA, emphasizing receiver bandwidth expansion and system upgrades to enhance scientific capabilities and efficiency in future astronomical research.
Contribution
It proposes a prioritized plan for technical upgrades to ALMA, focusing on receiver bandwidth and system improvements based on scientific and technical assessments.
Findings
Prioritized receiver bandwidth expansion to at least double current capacity.
Recommended upgrades for intermediate, low, and high frequencies.
Establishment of a formal process for requirements and development coordination.
Abstract
The present document outlines a roadmap for future developments that will significantly expand ALMA's capabilities and enable it to produce even more exciting science in the coming decades. The proposed developments are motivated by the groundbreaking results achieved by ALMA during its first five years of operation. The roadmap described here is based on input on new scientific directions and technical feasibility of future developments from the ALMA Science Advisory Committee (ASAC), the community, and technical documents. The Working Group recommends that the top development priority, based on scientific merit and technical feasibility, is to broaden the receiver IF bandwidth by at least a factor two, and to upgrade the associated electronics and correlator. These developments will advance a wide range of scientific studies by significantly reducing the time required for blind…
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Taxonomy
TopicsSuperconducting and THz Device Technology · Radio Frequency Integrated Circuit Design · Microwave Engineering and Waveguides
