Skip to main content
Communities & Collections
All of DSpace
Statistics
English
العربية
বাংলা
Català
Čeština
Deutsch
Ελληνικά
Español
Suomi
Français
Gàidhlig
हिंदी
Magyar
Italiano
Қазақ
Latviešu
Nederlands
Polski
Português
Português do Brasil
Srpski (lat)
Српски
Svenska
Türkçe
Yкраї́нська
Tiếng Việt
Log In
Log in
New user? Click here to register.
Have you forgotten your password?
Home
科技與工程學院
光電工程研究所
學位論文
學位論文
Permanent URI for this collection
http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/73896
Browse
Search
By Issue Date
By Author
By Title
By Subject
By Subject Category
Search
By Issue Date
By Author
By Title
By Subject
By Subject Category
1 results
Back to results
Filters
Author
search.filters.author.劉玠沂
Subject
search.filters.subject.光激發
1
search.filters.subject.3He超極化氣體
Browse subject tree
Date
Start
End
Submit
2011
1
Has files
1
No
Reset filters
Settings
Sort By
Accessioned Date Descending
Most Relevant
Title Ascending
Date Issued Descending
Results per page
1
5
10
20
40
60
80
100
Search
Author: search.filters.author.劉玠沂
×
Subject: search.filters.subject.光激發
×
Search Tools
Search Results
Now showing
1 - 1 of 1
No Thumbnail Available
Item
光激發3He超極化氣體在梯度磁場下之縱向鬆弛物理研究
(
2011
)
劉玠沂
Show more
本實驗建立一套雷射光極化惰性氣體與核磁共振量測系統,用以量測3He氣體之核磁共振訊號。此架構利用光學灌注的方法,先將銣電子激發至極化狀態,再透過自旋交換作用將角動量轉移給3He原子核,使之超極化。實驗所用之光學腔為密閉之玻璃圓柱體容器,其內有530 torr之3He氣體和作為緩衝氣體之氮氣60 torr與少量銣金屬。本實驗固定溫度在185 ℃,藉由改變均勻磁場與梯度磁場大小,以觀察對極化氣體特性之影響,包括3He和Rb的極化量、3He原子核與Rb電子的自旋交換率、自旋鬆弛時間以及3He原子之間的碰撞平均時間。
Show more