Ultra-thin large-aperture vacuum windows for millimeter wavelengths receivers
- Barkats, Denis
- Dierickx, Marion I.
- Kovac, John M.
- Pentacoff, Chris
- Ade, P.A. R.
- Ahmed, Z.
- Aikin, R.W.
- Alexander, K.D.
- Benton, S.J.
- Bischoff, C.A.
- Bock, J.J.
- Bowens-Rubin, R.
- Brevik, J.A.
- Buder, I.
- Bullock, E.
- Buza, V.
- Connors, J.
- Cornelison, J.
- Crill, B.P.
- Crumrine, M.
- Duband, L.
- Dvorkin, C.
- Filippini, J.P.
- Fliescher, S.
- Grayson, J.A.
- Hall, G.
- Halpern, M.
- Harrison, S.A.
- Hildebrandt, S.R.
- Hilton, G.C.
- Hui, H.
- Irwin, K.D.
- Kang, J.
- Karkare, K.S.
- Karpel, E.
- Kaufman, J.P.
- Keating, B.G.
- Kefeli, S.
- Kernasovskiy, S.A.
- Kuo, C.L.
- LAU, K.
- Larsen, N.A.
- Leitch, E.M.
- Lueker, M.
- Megerian, K.G.
- Moncelsi, L.
- Namikawa, T.
- Nguyen, H.T.
- O'Brient, R.
- Ogburn, R.W.
- Palladino, S.
- Pryke, C.
- Racine, B.
- Richter, S.
- Schwarz, R.
- Schillaci, A.
- Sheehy, C.D.
- Soliman, A.
- Germaine, T.St.
- Staniszewski, Z.K.
- Steinbach, B.
- Sudiwala, R.V.
- Teply, G.P.
- Thompson, K.L.
- Tolan, J.E.
- Tucker, C.
- Turner, A.D.
- Umiltà, C.
- Vieregg, A.G.
- Wandui, A.
- Weber, A.C.
- Wiebe, D.V.
- Willmert, J.
- Wong, C.L.
- Wu, W.L. K.
- Yang, H.
- Yoon, K.W.
- Zhang, C.
DOIAbstract
International audienceTargeting faint polarization patterns arising from Primordial Gravitational Waves in the Cosmic Microwave Background requires excellent observational sensitivity. Optical elements in small aperture experiments such as Bicep3 and Keck Array are designed to optimize throughput and minimize losses from transmission, reflection and scattering at millimeter wavelengths. As aperture size increases, cryostat vacuum windows must withstand larger forces from atmospheric pressure and the solution has often led to a thicker window at the expense of larger transmission loss. We have identified a new candidate material for the fabrication of vacuum windows: with a tensile strength two orders of magnitude larger than previously used...
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