Ngā Ingota LiNbO₃ i Tāpirihia ki te Mg, 45° Tapahi-Z, 64° Tapahi-Y, mō ngā Pūnaha Whakawhitiwhiti Kōrero 5G/6G

Ngā Ingota LiNbO₃ kua Tāpirihia ki te Mg, 45° Tapahi-Z, 64° Tapahi-Y, Ngā Aronga mō ngā Pūnaha Whakawhitiwhiti Kōrero 5G/6G, Whakaahua Matua

Whakaahuatanga Poto:

Ko te Ingota LiNbO3 (Ingota Tioata Lithium Niobate) he rauemi tūāpapa i roto i ngā hangarau hikohiko matatau me ngā hangarau matūriki, e mōhiotia ana mō ōna tauwehenga hiko-whatu tino pai (γ₃₃= 30.9 pm/V), te whānuitanga māramatanga whānui (400–5,200 nm), me te pāmahana Curie teitei (1210°C). He rerekē ki ngā rauemi e ahu mai ana i te silicon tuku iho, ka taea e ngā ingota LiNbO3 te tukatuka tohu auau-teitei me te hanga arataki ngaru nui-pūwero, e mea nui ai mō ngā whakawhitiwhitinga 5G/6G, ngā whakaahua matūriki, me te ine ahumahi. Nā ngā whanaketanga hou i roto i te whakaurunga kanorau (hei tauira, ngā anga hiato e ahu mai ana i te Si) me te whakaiti hapa (hei tauira, te tāpiri Mg) kua whakawhānui ake i tōna whakamahinga ki ngā taiao tino kino, pērā i ngā pūoko pāmahana-teitei (>400°C) me ngā pūnaha rererangi kua whakapakeketia e te irahiko.

Tukua mai he īmēra ki a mātou

Ngā Āhuatanga

Ngā tawhā hangarau

Hanganga karaihe	Hexagonal
Pūmau whakarara	a = 5.154 Å c = 13.783 Å
Mp	1650°C
Kiato	7.45 karamu / cm3
Te pāmahana o te Curie	610°C
Te pakeketanga	5.5 - 6 Mohs
Tauwehenga whānui wera	aa = 1.61 x 10 -6 / k ac = 4.1 x 10 -6 / k
Ātete	1015 Wm
Te āheinga	es11 / e0: 39 ~ 43 es33 / e0: 42 ~ 43 et11 / e0: 51 ~ 54 et11 / e0: 43 ~ 46
Tae	Kore tae
Mā te whānuitanga o ngā	0.4 ~ 5.0 um
Taupū o te whakaata	kahore = 2.176 ne = 2.180 @ 633 nm

Ngā Āhuatanga Hangarau Matua

He maha ngā āhuatanga papai o te LiNbO3 Ingot:

1. Te Mahi Hiko-Whiti:

Tauwehenga Kore-Raina Teitei: d₃₃= 34.4 pm/V, e āhei ai te whakaputanga haurorika tuarua (SHG) me te oscillation tawhā whatu (OPO) mō ngā pūtake infrared ka taea te whakarerekē.

Tukunga Whānui: He iti noa te mimiti i roto i te whānuitanga e kitea ana (α < 0.1 dB/cm i te 1550 nm), he mea nui mō ngā whakakaha whatu C-band me te tahuritanga auau irahiko.

2. Te Pakari o te Mīhini me te Wera:

Whānuitanga Wera Iti: CTE = 14.4×10⁻⁶/K (tuaka-a), e whakarite ana i te hototahitanga ki ngā papa silicon i roto i ngā ara iahiko photonic ranu.

Urupare Piezoelectric Teitei: g₃₃> 20 mV/m, he mea tino pai mō ngā tātari ngaru oro mata (SAW) i roto i ngā pūnaha 5G mmWave.

3. Te Whakahaere i te Hapa:

Te Matotoru o te Paipa Maero: <0.1 cm⁻² (ngā poro 8-inihi), i whakamanahia mā te whakawhitiwhiti hihi-X synchrotron.

Ātete Irahiko: He iti rawa te hē o te whatunga i raro i ngā mara hiko 100 kV/cm, kua whakamanahia i roto i ngā whakamātautau ā-rangi.

Ngā Taupānga Rautaki

Ka akiakihia e te LiNbO3 Ingot te auahatanga puta noa i ngā mara matatau:

1. Ngā Whakaahua Kuantum:

Ngā Pūtake Photon Kotahi: Mā te whakamahi i te tahuritanga-iho kore-raina, ka taea e LiNbO3 te whakaputa takirua photon e hono ana mō ngā pūnaha tohatoha kī irahiko (QKD).

Mahara Irahiko: Ko te whakaurunga ki ngā muka kua tāpirihia ki te Er³⁺ka eke ki te 30% te pai o te rokiroki i te 1530 nm, he mea nui mō ngā whatunga irahiko tawhiti.

2. Ngā Pūnaha Optoelectronic:

Ngā Kaiwhakahaere Tere-Teitei: Ka tutuki i te LiNbO3 X-cut te whānui o te 40 GHz me te ngaronga whakaurunga <1 dB, he pai ake i te LiTaO3 i roto i ngā transceiver whatu 400G.

Te Whakarua i te Auautanga Taiaho: Ka whakaitihia e te LiNbO3 kua tāpirihia ki te Mg (paepae 6%) te kino o te tirohanga whakaahua, ka taea ai te hurihanga pumau 1064 nm → 532 nm i roto i ngā pūnaha LiDAR.

3. Te Pūrongo Ahumahi:

Ngā Pūoko Pēhanga Pāmahana-Teitei: Mahi tonu i te 600°C, me te whakamahi i te haruru piezoelectric mō te aroturuki i ngā paipa hinu/hau.

Ngā Whakawhiti o Ia Wā: Mā te tāpiringa tahi o te Fe/Mg ka whakarei ake i te aro (0.1% FS) i roto i ngā tono whatunga atamai.

Ngā Ratonga me ngā Otinga XKH

Kua hangaia ā mātou ratonga LiNbO3 Ingot kia taea ai te whakawhanui me te tika:

1. Hanganga Ritenga:

Ngā Kōwhiringa Rahi: Ngā porotiti 3–8-inihi me ngā āhuahanga tapahi-X/Y/Z me te tapahi-42°Y, te ātete koki ±0.01°.

Whakahaere Tāpiri: Te tāpiri tahi i te Fe/Mg mā te tikanga Czochralski (awhe kukū 10¹⁶–10¹⁹ cm⁻³) hei arotau i te ātete photorefractive.

2. Tukatuka Matatau:

Whakaurunga Rerekē: Ngā papa hiato Si-LN (matotoru 300–600 nm) me te kawe wera tae atu ki te 8.78 W/m·K mō ngā tātari SAW auau-tiketike.

Te Hanganga Aratohu Ngaru: Mā ngā tikanga whakawhiti pūwero (PE) me te whakawhiti pūwero whakamuri (RPE) ka puta he aratohu ngaru iti-micron (Δn >0.7) mō ngā whakarerekētanga hiko-whatu 40 GHz.

3. Te Whakapūmau Kounga:

Whakamātautau Mutunga-ki-Mutu: Mā te tirotiro Raman (manatoko momo-maha), XRD (kirikiri), me te AFM (āhua o te mata) ka tutuki ngā whakaritenga o te MIL-PRF-4520J me te JEDEC-033.

Te Whakahaere Rauemi o te Ao: Te tuku kaipuke e whakahaeretia ana te pāmahana (±0.5°C) me te tuku ohorere 48-hāora puta noa i Āhia-Kiwa, Ūropi, me Amerika Te Raki.

Ngā Painga Whakataetae

1. Te Whai Hua o te Utu: Ka whakaitihia e ngā poro 8-inihi te para rauemi mā te 30% ki te whakaritea ki ngā poro 4-inihi, ka whakaitihia ngā utu mō ia waeine mā te 18%.

2. Ngā Inenga Mahi:

Whānuitanga Tātari SAW: >1.28 GHz (ki te 0.8 GHz mō LiTaO3), he mea nui mō ngā roopu 5G mmWave.

Te Huringa Wera: Ka ora i ngā huringa -200–500°C me te <0.05% te piko, kua whakamanahia i roto i ngā whakamātautau LiDAR motuka.

1. Te Oranga Tonu: Ka whakaitihia e ngā tikanga tukatuka hangarua te whakamahinga wai mā te 40% me te whakamahinga pūngao mā te 25%.

Whakamutunga

Ko te LiNbO3 Ingot tonu te rauemi whiriwhiri mō ngā optoelectronics o te whakatupuranga e whai ake nei, e whakakotahi ana i te mahi hiko-whatu kore e taea te whakataurite me te pono o te taumata ahumahi. Mai i te rorohiko matū ki ngā whakawhitiwhitinga 6G, ko tōna whānuitanga me tōna kaha ki te tauine ka waiho hei kaiwhakahohe nui mō ngā hangarau o muri mai. Mahi tahi me mātou ki te whakamahi i te doping matatau, te whakaiti hapa, me ngā otinga whakauru kanorau kua whakaritea mō ō hiahia tono.