Mg-Doped LiNbO₃Ingots 45 ° Z-Txiav 64 ° Y-Txiav Kev Taw Qhia Rau 5G/6G Kev Sib Txuas Lus

Kev Piav Qhia Luv:

LiNbO3 Ingot (Lithium Niobate Crystal Ingot) yog ib yam khoom siv tseem ceeb hauv kev siv optoelectronics thiab quantum technologies, uas paub zoo txog nws cov coefficients electro-optic zoo heev (γ₃₃= 30.9 pm/V), ntau yam pob tshab (400–5,200 nm), thiab kub Curie siab (1210°C). Tsis zoo li cov khoom siv silicon ib txwm muaj, LiNbO3 ingots ua rau muaj kev ua cov teeb liab zaus siab thiab kev tsim cov waveguide loj, ua rau lawv tsis tseem ceeb rau kev sib txuas lus 5G/6G, quantum photonics, thiab kev ntsuas kev lag luam. Kev nce qib tsis ntev los no hauv kev sib koom ua ke heterogeneous (piv txwv li, Si-based composite wafers) thiab kev txo qhov tsis zoo (piv txwv li, Mg doping) tau nthuav dav nws qhov kev siv rau cov chaw ib puag ncig hnyav, xws li cov sensors kub siab (> 400°C) thiab cov kab ke aerospace uas muaj hluav taws xob.

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Cov yam ntxwv

Cov kev tsis sib xws

Cov qauv siv lead ua	Lub duab peb ceg
Lattice tas li	a = 5.154 Å c = 13.783 Å
Mp	1650 o C
Qhov Ceev	7.45 g / cm3
Kub ntawm Curie	610 o C
Qhov nyuaj	5.5 - 6 Mohs
Cov coefficient ntawm kev nthuav dav thermal	aa = 1.61 x 10 -6 / k ac = 4.1 x 10 -6 / k
Kev tiv taus	1015 Wm
Kev tso cai	es11 / e0: 39 ~ 43 es33 / e0: 42 ~ 43 et11 / e0: 51 ~ 54 et11 / e0: 43 ~ 46
Xim	Tsis muaj xim
Los ntawm ntau yam	0.4 ~ 5.0 um
Cov ntsuas ntawm kev cuam tshuam	tsis = 2.176 ne = 2.180 @ 633 nm

Cov Yam Ntxim Saib Tseem Ceeb

LiNbO3 Ingot muaj cov khoom zoo tshaj plaws:

1. Kev Ua Haujlwm Hluav Taws Xob-Optic:

Cov Coefficient Nonlinear Siab: d₃₃= 34.4 pm/V, ua kom muaj txiaj ntsig zoo rau kev tsim harmonic thib ob (SHG) thiab optical parametric oscillation (OPO) rau cov chaw infrared tunable.

Kev Kis Tau Dav Dav: Kev nqus tsawg kawg nkaus hauv qhov pom spectrum (α < 0.1 dB / cm ntawm 1550 nm), tseem ceeb rau C-band optical amplifiers thiab quantum frequency conversion.

2. Kev Ruaj Kho Tshuab & Thermal:

Kev Nthuav Dav Thermal Qis: CTE = 14.4 × 10⁻⁶ / K (a-axis), ua kom muaj kev sib raug zoo nrog silicon substrates hauv hybrid photonic circuits.

Cov Lus Teb Piezoelectric Siab: g₃₃> 20 mV / m, zoo tagnrho rau cov ntxaij lim dej acoustic nthwv dej (SAW) hauv 5G mmWave systems.

3. Kev Tswj Xyuas Qhov Tsis Zoo:

Qhov Ceev ntawm cov kav dej me me: <0.1 cm⁻² (8-nti ingots), tau lees paub los ntawm kev siv synchrotron X-ray diffraction.

Kev Tiv Thaiv Hluav Taws Xob: Tsawg kawg yog qhov cuam tshuam ntawm cov lattice nyob rau hauv 100 kV / cm hluav taws xob, tau lees paub hauv kev sim aerospace-grade.

Cov Ntawv Thov Tswv Yim

LiNbO3 Ingot tsav kev tsim kho tshiab thoob plaws thaj chaw tshiab:

1. Cov Khoom Siv Photonic Quantum:

Cov Chaw Ib Leeg-Photon: Siv kev siv nonlinear down-conversion, LiNbO3 ua rau muaj kev sib txuas ntawm cov photon khub rau cov kab ke quantum key distribution (QKD).

Quantum Memory: Kev koom ua ke nrog Er³⁺-doped fibers ua tiav 30% kev khaws cia ntawm 1530 nm, qhov tseem ceeb rau cov tes hauj lwm quantum ntev.

2. Cov Txheej Txheem Optoelectronic:

Cov Modulators Ceev: X-cut LiNbO3 ua tiav 40 GHz bandwidth nrog <1 dB insertion poob, ua tau zoo dua LiTaO3 hauv 400G optical transceivers.

Laser Zaus Ob Zaug: Mg-doped LiNbO3 (6% qhov txwv) txo qhov kev puas tsuaj photorefractive, ua kom ruaj khov 1064 nm → 532 nm hloov pauv hauv LiDAR systems.

3. Kev Tshawb Fawb Txog Kev Lag Luam:

Cov Sensors Siab Kub Siab: Ua haujlwm tas li ntawm 600 ° C, siv piezoelectric resonance rau kev saib xyuas roj / roj pipeline.

Cov Transformers Tam Sim No: Fe/Mg co-doping ua rau muaj kev nkag siab zoo (0.1% FS) hauv cov ntawv thov ntse grid.

XKH Cov Kev Pabcuam & Cov Kev Daws Teeb Meem

Peb cov kev pabcuam LiNbO3 Ingot yog tsim los rau kev nthuav dav thiab kev ua kom raug:

1. Kev Tsim Khoom Tshwj Xeeb:

Cov Kev Xaiv Loj: 3–8-nti ingots nrog X/Y/Z-txiav thiab 42 ° Y-txiav geometries, ± 0.01 ° angular kam rau ua.

Kev Tswj Xyuas Doping: Fe/Mg co-doping los ntawm Czochralski txoj kev (qhov concentration ntau ntawm 10¹⁶–10¹⁹ cm⁻³) los ua kom zoo dua qhov kev tiv thaiv photorefractive.

2. Kev Ua Haujlwm Siab Tshaj Plaws:

Kev Sib Koom Ua Ke: Si-LN composite wafers (300–600 nm thickness) nrog thermal conductivity txog li 8.78 W/m·K rau cov lim dej SAW zaus siab.

Kev Tsim Waveguide: Kev pauv proton (PE) thiab kev pauv proton rov qab (RPE) cov txheej txheem ua rau cov waveguides submicron (Δn >0.7) rau 40 GHz electro-optic modulators.

3. Kev Pov Hwm Zoo:

Kev Ntsuas Kawg-rau-Kawg: Raman spectroscopy (polytype verification), XRD (crystallinity), thiab AFM (surface morphology) ua kom ntseeg tau tias ua raws li MIL-PRF-4520J thiab JEDEC-033.

Kev Thauj Khoom Thoob Ntiaj Teb: Kev xa khoom uas tswj tau qhov kub thiab txias (± 0.5 ° C) thiab kev xa khoom thaum muaj xwm txheej ceev hauv 48 teev thoob plaws Asia-Pacific, Tebchaws Europe, thiab North America.

Cov Kev Zoo Sib Tw

1. Kev Siv Nyiaj Txiag Zoo: Cov khoom siv 8-nti txo cov khoom pov tseg los ntawm 30% piv rau lwm cov khoom siv 4-nti, txo cov nqi ib chav los ntawm 18%.

2. Cov Kev Ntsuas Kev Ua Tau Zoo:

SAW Filter Bandwidth: >1.28 GHz (vs. 0.8 GHz rau LiTaO3), tseem ceeb rau 5G mmWave bands.

Kev Caij Tsheb Thermal: Muaj sia nyob -200–500 ° C voj voog nrog <0.05% warpage, tau lees paub hauv kev sim LiDAR hauv tsheb.

1. Kev Ruaj Khov: Cov txheej txheem ua cov khoom siv rov ua dua tshiab txo cov dej siv los ntawm 40% thiab kev siv hluav taws xob los ntawm 25%.

Xaus lus

LiNbO3 Ingot tseem yog cov khoom siv xaiv rau tiam tom ntej optoelectronics, ua ke kev ua tau zoo electro-optic tsis sib xws nrog kev ntseeg siab hauv kev lag luam. Txij li kev suav lej quantum mus rau 6G kev sib txuas lus, nws qhov kev hloov pauv thiab kev nthuav dav ua rau nws yog qhov tseem ceeb rau cov thev naus laus zis yav tom ntej. Koom tes nrog peb kom siv cov kev daws teeb meem doping, kev txo qhov tsis zoo, thiab kev sib koom ua ke sib txawv uas tsim rau koj cov kev xav tau daim ntawv thov.