Sol-gel coated glass cells for spin-exchange polarized 3He

Ming F. Hsu; G. D. Cates; I. Kominis; Ilhan A. Aksay; D. M. Dabbs

doi:10.1063/1.1312855

Sol-gel coated glass cells for spin-exchange polarized ³He

Ming F. Hsu, G. D. Cates, I. Kominis, Ilhan A. Aksay, D. M. Dabbs

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

19 Scopus citations

Abstract

We have developed a high-purity sol-gel coating for the interior surface of glass cells used for polarizing ³He by spin-exchange optical pumping. The coating is designed to minimize spin relaxation due to wall collisions. A longitudinal spin-relaxation time T₁ in a sol-gel coated Pyrex cell of 344 ± 8 h was achieved, the longest T₁ we have ever recorded for a gaseous sample. Repeated trials indicated that the coating was quite robust. Results using an uncoated Pyrex cell were also quite good, although inferior to the performance of the coated cell.

Original language	English (US)
Pages (from-to)	2069-2071
Number of pages	3
Journal	Applied Physics Letters
Volume	77
Issue number	13
DOIs	https://doi.org/10.1063/1.1312855
State	Published - Sep 25 2000

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.1312855

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title = "Sol-gel coated glass cells for spin-exchange polarized 3He",

abstract = "We have developed a high-purity sol-gel coating for the interior surface of glass cells used for polarizing 3He by spin-exchange optical pumping. The coating is designed to minimize spin relaxation due to wall collisions. A longitudinal spin-relaxation time T1 in a sol-gel coated Pyrex cell of 344 ± 8 h was achieved, the longest T1 we have ever recorded for a gaseous sample. Repeated trials indicated that the coating was quite robust. Results using an uncoated Pyrex cell were also quite good, although inferior to the performance of the coated cell.",

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T1 - Sol-gel coated glass cells for spin-exchange polarized 3He

AU - Hsu, Ming F.

AU - Cates, G. D.

AU - Kominis, I.

AU - Aksay, Ilhan A.

AU - Dabbs, D. M.

PY - 2000/9/25

Y1 - 2000/9/25

N2 - We have developed a high-purity sol-gel coating for the interior surface of glass cells used for polarizing 3He by spin-exchange optical pumping. The coating is designed to minimize spin relaxation due to wall collisions. A longitudinal spin-relaxation time T1 in a sol-gel coated Pyrex cell of 344 ± 8 h was achieved, the longest T1 we have ever recorded for a gaseous sample. Repeated trials indicated that the coating was quite robust. Results using an uncoated Pyrex cell were also quite good, although inferior to the performance of the coated cell.

AB - We have developed a high-purity sol-gel coating for the interior surface of glass cells used for polarizing 3He by spin-exchange optical pumping. The coating is designed to minimize spin relaxation due to wall collisions. A longitudinal spin-relaxation time T1 in a sol-gel coated Pyrex cell of 344 ± 8 h was achieved, the longest T1 we have ever recorded for a gaseous sample. Repeated trials indicated that the coating was quite robust. Results using an uncoated Pyrex cell were also quite good, although inferior to the performance of the coated cell.

UR - https://www.scopus.com/pages/publications/0000924821

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M3 - Article

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VL - 77

SP - 2069

EP - 2071

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 13

ER -

Sol-gel coated glass cells for spin-exchange polarized ³He

Abstract

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