Atunwo kukuru ti Lithium Niobate Crystal ati Awọn ohun elo Rẹ – Apá 4: Nitosi-Stoichiometric Lithium Niobate Crystal

Atunwo kukuru ti Lithium Niobate Crystal ati Awọn ohun elo Rẹ – Apá 4: Nitosi-Stoichiometric Lithium Niobate Crystal

Akawe pẹludeede LNkirisita(CLN)pẹlu akopọ kanna, aini litiumu ni isunmọ-stoichiometricLNkirisita(SLN)nyorisi idinku nla ninu awọn abawọn lattice, ati ọpọlọpọ awọn ohun-ini yipada ni ibamu.Awọn wọnyi tabili awọn akojọ akọkọawọn iyatọ titi ara-ini.

Ifiwera ti Awọn ohun-ini laarin CLN ati SLN

Ohun ini

CLN

SLN

Birefringence / 633nm

-0.0837

-0.0974 (Li2O=49.74mol%)

EO olùsọdipúpọ /pmV-1

r61= 6.07

r61= 9.89 (Li2O=49.95mol%)

olùsọdipúpọ̀ aláìlẹ́gbẹ́/pmV-1

d33= 19.5

d33= 23.8

Photorefractive ekunrere

1×10-5

10×10-5 (Li2O=49.8mol%)

Photorefractive esi akoko / s

ogogorun

0.6 (Lí2O=49.8mol%, Iron-doped)

Photorefractive resistance / kWcm-2

100

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

Ipipa-ašẹ isipade ina kikankikan /kVmm-1

21

5 (Li2O=49.8mol%)

 

Akawe pẹluCLNpẹlu kanna tiwqn, julọ ninu awọn ini tiSLNti ni ilọsiwaju si awọn iwọn oriṣiriṣi.Imudara to ṣe pataki diẹ sii pẹlu:

(1) Wboya photorefractive doping, egboogi-photorefractive doping tabi lesa-ṣiṣẹ ion doping,SLN nidiẹ kókó iṣẹ ilana ipa.Kong et al.ri pe nigbati [Li]/[Nb] ba de 0.995 ati pe akoonu iṣuu magnẹsia jẹ 1.0mol%, resistance photorefractive tiSLNle de ọdọ 26 MW / cm2, eyi ti o jẹ 6 bibere ti o ga ju tiCLNpẹlu kanna tiwqn.Photorefractive doping ati lesa-ṣiṣẹ ion doping tun ni iru awọn ipa.

(2) Bi awọn nọmba ti latissi abawọn ninuSLNkirisita dinku ni pataki, bakanna ni agbara aaye coercivity ti crystal, ati pe foliteji ti a beere fun iyipada polarization dinku lati bii 21 kV/mm(ti CLN)si nipa 5 kV / mm, eyiti o jẹ anfani pupọ fun igbaradi ti awọn ẹrọ superlatice.Jubẹlọ, ina ašẹ be tiSLNjẹ diẹ sii deede ati awọn odi ašẹ jẹ smoother.

(3)Ọpọlọpọ awọn photoelectricini tiSLNtun ni ilọsiwaju pupọ, gẹgẹbi elekitiro-opiti olùsọdipúpọr61pọ si nipasẹ 63%, alaiṣedeede ti kii ṣe laini pọ nipasẹ 22%, birefringence crystal pọ si nipasẹ 43% (igbi gigun 632.8 nm), iyipada buluuti UVeti gbigba, ati be be lo.

LN Crystal-WISOPTIC

WISOPTIC ṣe idagbasoke SLN (nitosi-stoichiometric LN) kirisita ninu ile (www.wisoptic.com)


Akoko ifiweranṣẹ: Jan-11-2022