无源器件原理.ppt

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1、•Passive•ActiveGalenSasakiUniversityofHawaiiComponentsComponents•Couplers•IsolatorsandCirculators•MultiplexersandFilters–Gratings–BraggGratings–FiberGratings–FabryPerotFiltersOutlineCouplersIsolatorsandCirculatorsMultiplexersandFilters–Gratings–BraggGratings–FiberGrating

2、s–FabryPerotFiltersCouplersCouplersCouplers:Whenaretheyused?Outline•Couplers•IsolatorsandCirculators•MultiplexersandFilters–Gratings–BraggGratings–FiberGratings–FabryPerotFiltersIsolatorsandCirculatorsIsolatorsandCirculatorsIsolatorsIsolatorsCirculatorsOutline•Couplers•

3、IsolatorsandCirculators•MultiplexersandFilters–Gratings–BraggGratings–FiberGratings–FabryPerotFiltersMultiplexersandFiltersStaticRouterMultiplexersandFiltersMultiplexersandFiltersFilterPassBandsMultiplexersandFiltersTechnologiestomakebettercomponents•Integrated-opticwave

4、guidetechnology•All-fiberdevicesOutlineCouplersIsolatorsandCirculatorsMultiplexersandFilters–Gratings–BraggGratings–FiberGratings–FabryPerotFiltersGratingsGratingsGratingsOutlineCouplersIsolatorsandCirculatorsMultiplexersandFilters–Gratings–BraggGratings–FiberGratings–Fa

5、bryPerotFiltersBraggGratingsBraggGratingsOutlineCouplersIsolatorsandCirculatorsMultiplexersandFilters–Gratings–BraggGratings–FiberGratings–FabryPerotFiltersFiberGratings•UVLight:ShinetwosourcesofUVlightcreatingperiodicintensityoflight.•PhaseMasks:DiffractivemechanismExam

6、plesoffibergratingsFiberGratingsLongPeriodFiberGratingsLongPeriodFiberGratingsOutlineCouplersIsolatorsandCirculatorsMultiplexersandFiltersGratingsBraggGratingsFiberGratingsFabryPerotFiltersFabryPerotFiltersFabryPerotFiltersFabryPerotFiltersFabryPerotFiltersTunability•Cha

7、ngethecavity•Mechanical:difficult•Piezoelectric:impracticalhysteresis