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astro-ph.IM2026
Liquid nitrogen pre-cooling system for ELT instruments utilizing additively manufactured heat exchangers, integrated temperature and liquid level control
Anastasios Aretos, Younes Chahid, Lee Chapman +5
Using liquid Nitrogen as the cryogenic fluid for pre-cooling purposes is almost ubiquitous across modern observatories. That method tends to be inefficient since it relies on the e…
physics.optics2026
Laser Remelting for Reduced Porosity on Additively Manufactured Aluminium Mirrors
Joshua West, Valentina Oyarzun, Marcell Westsik +17
Additively manufactured (AM) AlSi10Mg mirrors are fabricated through laser powder bed fusion (LPBF), allowing the use of complex geometries such as lattices and organic structures…