Alaabada

LiNbO3 Crystal

Sharraxaadda Gaaban:

LiNbO3 (Lithium Niobate) crystal waa maaddooyin badan oo isku-dhafan oo isku-dhafan sifooyinka biibiile, ferroelectric, pyroelectric, nonlinear, electro-optical, photoelastic, iwm. LiNbO3 wuxuu leeyahay xasillooni kuleylka wanaagsan iyo degganaanta kiimikada.


Faahfaahinta badeecada

Tilmaamaha Badeecada

LiNbO3 (Lithium Niobate) crystal waa maaddooyin badan oo isku-dhafan oo isku-darka guryaha ku habboon ee loo yaqaan 'pezoelectric, ferroelectric, pyroelectric, nonlinear, electro-optical, photoelastic, iwm' 'LiNbO3 waxay leedahay degenaansho kuleylka iyo deganaanshaha kiimikada.

Sida mid ka mid ah alaabada indhaha ee aan tooska ahayn ee lagu garto, LiNbO3 wuxuu ku habboon yahay codsiyo kala-beddelasho oo kala-duwan. Tusaale ahaan, waxaa si balaadhan loogu isticmaalaa laba laablaabyada mowjadaha> 1 μm iyo qalabka loo yaqaan 'optical parametric oscillators (OPOs)' oo la bamgareeyay 1064 nm iyo sidoo kale aaladaha wejiga-u-dhigma (QPM). Isku xidhka weyn ee EO iyo AO, LiNbO3 crystal waxaa sidoo kale caadi ahaan loo isticmaalaa qalabka wajiga lagu beddelo, mitirka mawjadaha, wareejinta dusha sare ee acoustic, iyo Q-wareejinta ee Nd: YAG, Nd: YLF iyo lasers-ka-Sapphire.

LiNbO3 waxaa lagu daaweyn karaa waxyaabo kala duwan, sida Er, Pr, Mg, Fe, iwm., kuwaas oo siiya sheyga guryaha u gaarka ah. Tusaale ahaan, bilowga waxyeellada ee MgO: LiNbO3 wuu ka badan yahay labanlaab ka mid ah 'LiNbO saafi ah'3.

Nagala soo xiriir xalka ugu fiican ee dalabkaaga ee LiNbO3 kiristaalo.

Awoodaha WISOPTIC -LiNbO3

• Cabbiraad kala duwan oo ka kooban qaybo kala duwan oo loogu talagalay arjiyada kala duwan.

• Xakameyn tayo sare leh

• gaarsiin la isku halleyn karo

• Qiimo aad u tartan badan

• Taageero farsamo 

Faahfaahinta Heerka WISOPTIC* - LiNbO3

Dulqaad dulqaad .1 0.1 mm
Dulqaadashada xaglaha ± 0.5 °
Cadaalad <λ / 8 @ 632.8 nm
Tayada dusha kore <20/10 [S / D]
Isbarbar dhig <20 ”
Xasilooni la'aan ≤ 5
Chamfer ≤ 0.2mm @ 45 °
Kala-Wareegida Wavefront <λ / 4 @ 632.8 nm
Nadiifi Xawaaraha > 90% aagga dhexe
Daboolista Dahaarka AR: R <0.2% @ 1064 nm, R <0.5% @ 532 nm
* Alaabada leh baahi gaar ah markii la codsado.
LN-2
LN-3

Faa'iidooyinka MgO: LiNbO3 marka la barbar dhigo LiNbO3

• Kucelcelis laba-laablaab ah (SHG) wax ku ool ah oo loogu talagalay dadka jiida soo jiidanaya: YAG (65%) iyo CW Nd: YAG (45%)

• Waxqabadka sare ee codsiyada OPO, OPA, QPM doublers iyo mawjadda isku dhafan

• Xaddidaad aad u sareysa oo sawir qaadeyaal ah

Codsiyada Koowaad - LiNbO3

• Xawaaraha laba jibaaranaha ee wareega = 1 >m

• oscillators optical parametric (OPO) oo la bamgareeyay 1064 nm

• Qalabka loo yaqaan 'Quasi-wejiga' (QPM)

• Qalab-wareejin (loogu talo galay Nd: YAG, Nd: YLF iyo dharka loo yaqaan 'sa-Sapphire')

• Qalabka mashiinka ee wajiga, meeraha meeraha-mawjadaha, wareejinta mawjadaha dusha sare ee acoustic

Hantida Jirka - LiNbO3 

Caanaha kiimikada LiNbO3
Qaabka Crystal Trigonal
Kooxda barta 3m
Kooxda booska R3c
Cajiin yar yar a= 5.148 Å, c= 13.863 Å, Z = 6
Cufnaanta 4.628 g / cm3
Meel dhalaalidda 1255 ° C
Heerkulka Curie 1140 ° C
Adkeynta Mohs 5
Dhaqdhaqaaqa kuleylka 38 W / (m · K) @ 25 ° C
Coefficient balaarinta kuleylka 2.0 × 10-6/ K (// a), 2.2 × 10-6/ K (// c)
Hygroscopicity Ma-hygroscopic-ga

Hantida indhaha - LiNbO3 

Gobolka daah furnaanta
  (heerka “0” heerka gudbinta)
400-5500 nm
Tilmaamaha milicsiga 1300 nm  1064 nm  632.8 nm

ne= 2.146

no= 2.220

ne= 2.156

no= 2.232

ne= 2.203

no= 2.286

Coefficient-ka indhaha ee kuleylka leh dno/dT = -0.874 × 10-6/ K @ 1.4 μm
dne/dT = 39.073 × 10-6/ K @ 1.4 μm

Iskuduwaha maqnaanshaha toosan

326 nm 

1064 nm 

= 2.0 / cm α = 0.001 ~ 0.004 / cm

Isuduwayaasha NLO

d33 = 34.4 pm / V, d22 = 3.07 pm / V,
d31 = d15 = 5.95 pm / V

Iskaashatooyinka elektaroonigga γT33= 32 pm / V, γS33= 31 pm / V, γT31= 10 pm / V,
γS31= 8.6 pm / V, γT22= 6.8 pm / V, γS22= 3.4 pm / V
Laydh-rux-badh (DC) Qeybta korantada // z, light ⊥ z 3.03 kV
Qeybta korantada // x ama y, light // z 4.02 kV
Xadka burburka 100 MW / cm2 @ 1064nm, 10 ns

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