Note: Mounting ultra-high vacuum windows with low stress-induced birefringence

Neal Solmeyer; Kunyan Zhu; David S. Weiss

doi:10.1063/1.3606437

Note: Mounting ultra-high vacuum windows with low stress-induced birefringence

Neal Solmeyer, Kunyan Zhu, David S. Weiss

Physics

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

We have developed a way to mount ultra-high vacuum windows onto standard ConFlat^® vacuum systems with very low stress-induced birefringence. Each window is sealed to a stainless steel flange with a compressed indium wire, and that flange is connected to a vacuum chamber with another indium seal. We find that deformation of a standard ConFlat flange during indium sealing dominates the stress on the window, so an extra-rigid flange is needed for minimal birefringence. With this mounting scheme, the typical residual birefringence is δn = 2.3 10^-7 and is unchanged by a 120 C bake.

Original language	English (US)
Article number	066105
Journal	Review of Scientific Instruments
Volume	82
Issue number	6
DOIs	https://doi.org/10.1063/1.3606437
State	Published - Jun 2011

All Science Journal Classification (ASJC) codes

Instrumentation

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10.1063/1.3606437

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title = "Note: Mounting ultra-high vacuum windows with low stress-induced birefringence",

abstract = "We have developed a way to mount ultra-high vacuum windows onto standard ConFlat{\textregistered} vacuum systems with very low stress-induced birefringence. Each window is sealed to a stainless steel flange with a compressed indium wire, and that flange is connected to a vacuum chamber with another indium seal. We find that deformation of a standard ConFlat flange during indium sealing dominates the stress on the window, so an extra-rigid flange is needed for minimal birefringence. With this mounting scheme, the typical residual birefringence is δn = 2.3 10-7 and is unchanged by a 120 C bake.",

author = "Neal Solmeyer and Kunyan Zhu and Weiss, {David S.}",

note = "Funding Information: We acknowledge that this work is supported by the National Science Foundation under the Grant No. PHYS06-51769 and by the Packard Foundation. ",

year = "2011",

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AU - Solmeyer, Neal

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AU - Weiss, David S.

N1 - Funding Information: We acknowledge that this work is supported by the National Science Foundation under the Grant No. PHYS06-51769 and by the Packard Foundation.

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N2 - We have developed a way to mount ultra-high vacuum windows onto standard ConFlat® vacuum systems with very low stress-induced birefringence. Each window is sealed to a stainless steel flange with a compressed indium wire, and that flange is connected to a vacuum chamber with another indium seal. We find that deformation of a standard ConFlat flange during indium sealing dominates the stress on the window, so an extra-rigid flange is needed for minimal birefringence. With this mounting scheme, the typical residual birefringence is δn = 2.3 10-7 and is unchanged by a 120 C bake.

AB - We have developed a way to mount ultra-high vacuum windows onto standard ConFlat® vacuum systems with very low stress-induced birefringence. Each window is sealed to a stainless steel flange with a compressed indium wire, and that flange is connected to a vacuum chamber with another indium seal. We find that deformation of a standard ConFlat flange during indium sealing dominates the stress on the window, so an extra-rigid flange is needed for minimal birefringence. With this mounting scheme, the typical residual birefringence is δn = 2.3 10-7 and is unchanged by a 120 C bake.

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Note: Mounting ultra-high vacuum windows with low stress-induced birefringence

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