Tlhahlobo e Khutšoanyane ea Lithium Niobate Crystal le Lisebelisoa tsa Eona - Karolo ea 4: Near-Stoichiometric Lithium Niobate Crystal

Tlhahlobo e Khutšoanyane ea Lithium Niobate Crystal le Lisebelisoa tsa Eona - Karolo ea 4: Near-Stoichiometric Lithium Niobate Crystal

Ha ho bapisoaLN e tloaelehilengkristale(CLN)ka sebopeho se ts'oanang, khaello ea lithium e haufi-stoichiometricLNkristale(SLN)e lebisa phokotsong e kholo ea bofokoli ba lattice, mme thepa e ngata e fetoha ka tsela e nepahetseng.Lethathamo le latelang le thathamisa tse ka sehloohongliphapang tsathepa ya mmele.

Papiso ea Thepa lipakeng tsa CLN le SLN

Thepa

CLN

SLN

Birefringence /633nm

-0.0837

-0.0974 (Li2O=49.74mol%)

EO coefficient /pmV-1

r61=6.07

r61=9.89 (Li2O=49.95mol%)

Nonlinear coefficient /pmV-1

d33=19.5

d33=23.8

Phokotso ya photorefractive

1×10-5

10×10-5 (Li2O=49.8mol%)

Nako ea karabo ea photorefractive /s

makholo

0.6 (Li2O=49.8mol%, Aine e entsoeng ka tšepe)

Khahlanong le photorefractive /kWcm-2

100

104 (Li2O=49.5-48.2mol%, 1.8mol% MgO doped)

Matla a sebaka sa motlakase sa Domain /kVmm-1

21

5 (Li2O=49.8mol%)

 

Ha ho bapisoaCLNka sebopeho se ts'oanang, boholo ba thepa eaSLNli ntlafalitsoe ho isa tekanyong e fapaneng.optimization ea bohlokoa le ho feta e kenyelletsa:

(1) Whether photorefractive doping, anti-photorefractive doping kapa laser-activated ion doping,SLN e na lephello e hlokolosi haholoanyane ea taolo ea ts'ebetso.Kong et al.e fumane hore ha [Li]/[Nb] e fihla ho 0.995 le dikahare tsa magnesium ke 1.0mol%, khanyetso ea photorefractive eaSLNe ka fihla ho 26 MW / cm2, e leng 6 litaelo tsa boholo bo ka holimo ho eaCLNka sebopeho se tshoanang.Doping ea photorefractive le laser-activated ion doping le tsona li na le liphello tse tšoanang.

(2) Joalo ka palo ea mefokolo ea lattice hoSLNkristale e fokotseha haholo, ho joalo le ka matla a lebala la coercivity a kristale, 'me motlakase o hlokahalang bakeng sa phetoho ea polarization o fokotseha ho tloha hoo e ka bang 21 kV/mm.(ea CLN)ho isa ho 5 kV/mm, e leng molemo haholo bakeng sa ho lokisoa ha lisebelisoa tsa superlattice.Ho feta moo, sebopeho sa sebaka sa motlakase saSLNe tloaeleha haholoanyane 'me marako a domain a bonolo haholoanyane.

(3)Li-photoelectric tse ngatathepa eaSLNle tsona li ntlafalitsoe haholo, joalo ka electro-optic coefficientr61e eketsehile ka 63%, coefficient nonlinear e eketsehile ka 22%, kristale birefringence e eketsehile ka 43% (wavelength 632.8 nm), phetoho e putsoa.ea UVmoeli oa ho monya, joalo-joalo.

LN Crystal-WISOPTIC

kristale ea WISOPTIC SLN (haufi le stoichiometric LN) ka tlung (www.wisoptic.com)


Nako ea poso: Jan-11-2022