简介:<正>JohnB.ThompsonisProfessorofSociologyattheUniversityofCambridgeandFellowofJesusCollege,Cambridge.Heresearchinterestsrangefromcontemporarysocialandpoliticaltheory,sociologyofthemediaandmodernculture,thesocialorganizationofthemediaindustries,thechangingstructureofthebookpublishingindustry,thesocialandpoliticalimpactofinformationandcommunicationtechnologies,tothechangingformsofpolitical
简介:WeanalyzetherandomdisturbanceinthetransmissionoflightthroughaspinningGlan-Thompsontypeprismpolarizer.ThedisturbancemakesthedependenceofthetransmissionontherotationanglesignificantlydeviatesfromtheMaluscosine-squaredlawandseverelyspoilstheoutputlightquality.Slightvibrationofthepolarizerasitrotatescombingthemulti-beam-interferenceeffectraisesthedisturbance.Furtheranalysisrevealsthesensitivedependenceofthedisturbanceonthecomposingmaterialoftheprismgap,andtheappropriateselectionofsuchmaterialcanmakethedisturbanceminimizetoverydesirablelevels.Themodelresultsshowquitegoodagreementwithexperiments.