Pfupi Ongororo yeLithium Niobate Crystal uye Zvishandiso Zvayo - Chikamu 3: Anti-photorefractive Doping yeLN Crystal

Pfupi Ongororo yeLithium Niobate Crystal uye Zvishandiso Zvayo - Chikamu 3: Anti-photorefractive Doping yeLN Crystal

Photorefractive mhedzisiro ndiyo hwaro hweholographic optical application, asi zvakare inounza matambudziko kune mamwe maapplication ekushandisa, saka kuvandudza iyo photorefractive kuramba yelithium niobate crystal yakabhadharwa zvakanyanya, pakati peiyo doping regulation ndiyo inonyanya kukosha nzira.Kusiyana ne photorefractive doping, anti-photorefractive doping inoshandisa zvinhu zvine valent isingachinji-kusiyanisa kuderedza photorefractive centre.Muna 1980, zvakashumwa kuti photorefractive resistance ye high ratio Mg-doped LN crystal inowedzera nepamusoro pemirairo ye2 yehukuru, iyo yakakwezva kutarisa kukuru.Muna 1990, vatsvakurudzi vakawana kuti zinc-doped LN ine high photorefractive resistance yakafanana nemagnesium-doped LN.Makore akati kuti gare gare, scandium-doped uye indium-doped LN yakawanikwa iine photorefractive resistance zvakare.

Muna 2000, Xu et al.akawana kuti yakakwiriraratio Mg-dopedLNcrystal ine yakakwira photorefractive kuramba mubhendi rinooneka hasyakanakisa photorefractive kuita muUV bhendi.Kuwanikwa uku kwakaputsa kunzwisisa kwethephotorefractive kuramba kweLNcrystal, uye zvakare yakazadza iyo isina chinhu yephotorefractive zvinhu zvakaiswa muultraviolet band.Ipfupi wavelength inoreva kuti saizi ye holographic grating inogona kuita diki uye yakatsetseka, uye inogona kudzimwa zvine simba nekunyorwa mugidhi ne ultraviolet mwenje, uye kuverengerwa nechiedza chitsvuku uye girinhi mwenje, kuitira kuti uone mashandisirwo eiyo dynamic holographic optics. .Lamarque et al.akatora yakakwiriraratio Mg-dopedLN crystal yakapihwa neNankai University seUV photorefractivezvinhuuye yakaona programmable maviri-dimensional laser yekumaka nekushandisa maviri-wave akabatanidza chiedza amplification.

Muchikamu chekutanga, anti-photorefractive doping zvinhu zvaisanganisira divalent uye trivalent zvinhu senge magnesium, zinc, indium uye scandium.Muna 2009, Kong et al.yakagadzira anti-photorefractive doping uchishandisa tetravalent zvinhu zvakadai sehafnium, zirconium uye tin.Kana uchiwana iyo yakafanana photorefractive kuramba, zvichienzaniswa ne divalent uye trivalent doped zvinhu, doping huwandu hwe tetradvalent zvinhu zvishoma, semuenzaniso, 4.0 mol% hafnium uye 6.0 mol% magnesium doped.LNmakristasi ane similarphotorefractive kuramba,2.0 mol% zirconium uye 6.5 mol% magnesium dopedLNmakristasi ane similarphotorefractive resistance.Uyezve, iyo yekuparadzanisa coefficient ye hafnium, zirconium uye tin mu lithium niobate iri pedyo ne1, iyo inonyanya kufarira kugadzirira kwepamusoro-soro makristasi.

LN Crystal-WISOPTIC

Yepamusoro-mhando LN yakagadziriswa neWISOPTIC [www.wisoptic.com]


Nguva yekutumira: Jan-04-2022