简介:你知道吗?其实人的心理和情绪状态会受到食物的影响,譬如有些食物会越吃越愉悦。食物真的有这么大的魔力吗?一起来看看。Thereisanoldsaying:'Youarewhatyoueat.'俗语说:'人如其食。'
简介:Thedissipativesensingbasedonaself-interferencemicroringresonatorcomposedofamicroringresonatorandaU-shapedfeedbackwaveguideisdemonstratedexperimentally.Insteadofafrequencyshiftinducedbythephaseshiftofthewaveguideorthemicrocavity,thedissipativesensingconvertsthephaseshifttotheeffectiveexternalcouplingrate,whichleadstothechangeoflinewidthoftheopticalresonanceandtheextinctionratiointhetransmissionspectrum.Inourexperiment,thepowerdissipatedfromamicroheateronthefeedbackwaveguideisdetectedbythedissipativesensingmechanism,andthesensitivityofourdevicecanachieve0.22dB/mW.Thisdissipativesensingmechanismprovidesanotherpromisingcandidateformicrocavitysensingapplications.