A high-performance wave guide cryogenic thermal break | Zendy

S. J. Melhuish | Zendy; M. McCulloch | Zendy; L. Piccirillo | Zendy; Chloe Stott | Zendy

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A high-performance wave guide cryogenic thermal break

Author(s) -

S. J. Melhuish,

M. McCulloch,

L. Piccirillo,

Chloe Stott

Publication year - 2016

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.4964475

Subject(s) - hexapod , thermal conductivity , materials science , cryogenics , thermal , cryogenic temperature , electrical conductor , modulus , thermal conduction , composite material , thermodynamics , physics , artificial intelligence , computer science , robot

We describe a high-performance wave guide cryogenic thermal break. This has been constructed both for Ka band, using WR28 wave guide, and Q band, using WR22 wave guide. The mechanical structure consists of a hexapod (Stewart platform) made from pultruded carbon fibre tubing. We present a tentative examination of the cryogenic Young's modulus of this material. The thermal conductivity is measured at temperatures above the range explored by Runyan and Jones, resulting in predicted conductive loads through our thermal breaks of 3.7 mW to 3 K and 17 μK to 1 K.

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