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Uphononongo olufutshane lweLithium Niobate Crystal kunye nezicelo zayo-iCandelo lesi-8: Ukusetyenziswa kweAcoustic yeLN Crystal
Ukuhanjiswa kwe-5G yangoku kubandakanya i-sub-6G band ye-3 ukuya kwi-5 GHz kunye nebhendi ye-millimeter wave ye-24 GHz okanye ngaphezulu.Ukonyuka kwamaza onxibelelwano akufuni kuphela iipropathi ze-piezoelectric zezixhobo zekristale ukuba zaneliswe, kodwa zikwafuna iiwafa ezibhityileyo kunye nombane omncinci odibeneyo...Funda ngokugqithisileyo -
Uphononongo olufutshane lweLithium Niobate Crystal kunye nezicelo zayo-iCandelo lesi-7: IDielectric Superlattice yeLN Crystal
Ngowe-1962, u-Armstrong et al.okokuqala kwacetywa ingqikelelo ye-QPM (i-Quasi-phase-match), esebenzisa i-inverted lattice vector ebonelelwa yi-superlattice ukubuyisela ukungahambelani kwesigaba kwi-optical parametric process.Ulwalathiso lwepolarization lwe-ferroelectrics luphembelela umyinge wepolarization ongekho mgca χ2....Funda ngokugqithisileyo -
Uphononongo olufutshane lweLithium Niobate Crystal kunye nezicelo zayo-iCandelo lesi-6: Ukusetyenziswa kweOptical yeLN Crystal
Ukongeza kwimpembelelo ye-piezoelectric, umphumo we-photoelectric we-crystal ye-LN ucebile kakhulu, phakathi kwayo i-electro-optical effect kunye ne-nonlinear optical effect inomsebenzi obalaseleyo kwaye isetyenziswa kakhulu.Ngapha koko, ikristale ye-LN inokusetyenziselwa ukulungisa umgangatho ophezulu we-optical waveguide yiproton...Funda ngokugqithisileyo -
Uphononongo olufutshane lweLithium Niobate Crystal kunye nezicelo zayo-Icandelo 5: Ukusetyenziswa kwesiphumo se-piezoelectric ye-LN Crystal
Ikristale yeLithium niobate yeyona nto ibalaseleyo yepiezoelectric enezi propati zilandelayo: ubushushu obuphezulu beCurie, iqondo lobushushu elisezantsi lomlinganiso wesiphumo se-piezoelectric, i-electromechanical coefficient yokudibanisa, ilahleko ephantsi ye-dielectric, iipropathi ezizinzileyo zomzimba kunye neekhemikhali, ukusetyenzwa kakuhle...Funda ngokugqithisileyo -
Uphononongo olufutshane lweLithium Niobate Crystal kunye nezicelo zayo-Icandelo 4: Kufuphi-Stoichiometric Lithium Niobate Crystal
Xa kuthelekiswa ne-crystal ye-LN eqhelekileyo (CLN) kunye nokubunjwa okufanayo, ukungabikho kwe-lithium kwi-crystal ye-stoichiometric LN crystal (SLN) kukhokelela ekunciphiseni okuphawulekayo kweziphene ze-lattice, kwaye iipropati ezininzi zitshintsha ngokufanelekileyo.Le theyibhile ilandelayo idwelisa umahluko ophambili weempawu ezibonakalayo.Ikhomputha...Funda ngokugqithisileyo -
Uphononongo olufutshane lweLithium Niobate Crystal kunye nezicelo zayo-Icandelo 3: I-Anti-photorefractive Doping ye-LN Crystal
Isiphumo se-Photorefractive sisiseko sezicelo ze-holographic optical, kodwa kwakhona kuzisa iingxaki kwezinye izicelo zamehlo, ngoko ke ukuphucula ukuchasana kwe-photorefractive ye-lithium niobate crystal inikwe ingqalelo enkulu, phakathi kwayo ukulawulwa kwe-doping yeyona ndlela ibalulekileyo.Kwi...Funda ngokugqithisileyo -
Uphononongo olufutshane lweLithium Niobate Crystal kunye nezicelo zayo-iCandelo lesi-2: Isishwankathelo seLithium Niobate Crystal
I-LiNbO3 ayifumanekanga kwindalo njengeminerali yendalo.I-crystal structure ye-lithium niobate (LN) i-crystals yaqala ukuchazwa nguZachariasen kwi-1928. Ngo-1955 uLapitskii noSimanov banika iiparitha ze-lattice ze-hexagonal kunye ne-trigonal ye-crystal ye-LN nge-X-ray powder diffraction analysis.Ngo 1958...Funda ngokugqithisileyo -
Uphononongo olufutshane lweLithium Niobate Crystal kunye nezicelo zayo - iSigaba 1: Intshayelelo
Ikristale yeLithium Niobate (LN) inepolarization ephezulu ezenzekelayo (0.70 C/m2 kwiqondo lobushushu begumbi) kwaye yikristale yeferroelectric enobushushu obuphezulu beCurie (1210 ℃) efunyenwe ukuza kuthi ga ngoku.Ikristale ye-LN ineempawu ezimbini ezitsala ingqalelo ekhethekileyo.Okokuqala, ineziphumo ezininzi eziphezulu zombane ...Funda ngokugqithisileyo -
Ulwazi oluSisiseko lweCrystal Optics, iCandelo le-2: isantya senqanaba lamaza kunye nesantya somgca wokubona
Isantya apho umphambili wenqwelomoya ye-monochromatic usasazeke kwicala eliqhelekileyo libizwa ngokuba sisantya sesigaba samaza.Isantya esihamba ngaso amandla amaza okukhanya kuthiwa yi-ray velocity.Icala apho ukukhanya kuhamba khona njengoko kubonwa liliso lomntu licala kwi-whi...Funda ngokugqithisileyo -
Ulwazi oluSisiseko lweCrystal Optics, iCandelo 1: Inkcazo yeCrystal Optics
ICrystal Optics lisebe lesayensi elifunda ngokusasazwa kokukhanya kwikristale enye kunye neziganeko ezinxulumene nayo.Ukusasazwa kokukhanya kwi-cubic crystals yi-isotropic, ayifani naleyo kwiikristale ze-amorphous homogeneous.Kwezinye iinkqubo ezintandathu zekristale, iimpawu eziqhelekileyo...Funda ngokugqithisileyo -
Inkqubela phambili yoPhando lwe-Electro-Optic Q-Switched Crystals-Icandelo 8: ICrystal yeKTP
I-Potassium titanium oxide phosphate (KTiOPO4, KTP ngokufutshane) ikristale yikristale engabonakaliyo engabonakaliyo eneempawu ezintle.Kungokwenkqubo yekristale ye-orthogonal, iqela le-point mm2 kunye neqela lesithuba Pna21.Kwi-KTP ephuhliswe ngendlela yokuguquguquka, ukuqhutywa okuphezulu kunciphisa usetyenziso lwayo olusebenzayo ...Funda ngokugqithisileyo -
Inkqubela phambili yoPhando lwe-Electro-Optic Q-Switched Crystals-Icandelo 7: LT Crystal
I-crystal structure ye-lithium tantalate (i-LiTaO3, i-LT emfutshane) ifana ne-crystal ye-LN, ye-cubic crystal system, iqela le-3m, iqela le-R3c yendawo.I-crystal ye-LT ine-piezoelectric egqwesileyo, i-ferroelectric, i-pyroelectric, i-acousto-optic, i-electro-optic kunye ne-nonlinear optical properties.LT cr...Funda ngokugqithisileyo
