In-vacuum Faraday isolation remote tuning RID F-8652-2011 RID A-2071-2012 RID A-9946-2012 RID F-8892-2011 RID B-5375-2009 RID C-7233-2008 RID A-3864-2010 RID A-1920-2008 RID F-1482-2010 RID A-5352-2012