ʻO ka lepo GGG
wehewehe
Gallium Gadolinium Garnet (Gd3Ga5O12a i ʻole GGG) ʻo ke aniani hoʻokahi he mea me nā waiwai optical, mechanical a me nā mea wela e hoʻohiki ai no ka hoʻohana ʻana i ka hana ʻana i nā ʻāpana optical like ʻole a me nā mea substrate no nā kiʻi ʻoniʻoni magneto-optical a me nā superconductors kiʻekiʻe. infrared optical isolator (1.3 a me 1.5um), he mea koʻikoʻi loa ia i ka kamaʻilio optical.Hana ʻia ia me YIG a i ʻole BIG kiʻiʻoniʻoni ma ka substrate GGG me nā ʻāpana birefringence.ʻO GGG kekahi substrate koʻikoʻi no ka microwave isolator a me nā mea hana ʻē aʻe.Maikaʻi kona ʻano kino, mechanical a me kemika no nā noi ma luna.
Waiwai
| Hoʻomoe Crystal | M3 |
| ʻAno ulu | ʻO ke ʻano Czochralski |
| Hui Pūnaehana Mau | a=12.376Å,(Z=8) |
| Lae hehee (℃) | 1800 |
| Maemae | 99.95% |
| ʻO ka mānoanoa（g/cm3） | 7.09 |
| Paʻakiki (Mho) | 6-7 |
| Index of Refraction | 1.95 |
| Nui | 10x3,10x5,10x10,15x15,,20x15,20x20, |
| dia2” x 0.33mm dia2” x 0.43mm 15 x 15 mm | |
| mānoanoa | 0.5mm, 1.0mm |
| ʻO ka hoʻopololei | Hoʻokahi a pālua |
| Kūlana Crystal | <111>±0.5º |
| Hoʻoholo pololei | ±0.5° |
| E kuhikuhi hou i ka Edge | 2°（kūikawā ma 1°） |
| Huina o ka Crystalline | Loaʻa ka nui kūikawā a me ka hoʻonohonoho ʻana ma ke noi |
| Ra | ≤5Å（5µm×5µm） |
ʻO ka wehewehe ʻana o GGG substrate
ʻO ka substrate GGG e pili ana i kahi pani i hana ʻia me ka gadolinium gallium garnet (GGG) mea aniani.ʻO ka GGG kahi pūhui crystalline synthetic i haku ʻia me nā mea gadolinium (Gd), gallium (Ga) a me ka oxygen (O).
Hoʻohana nui ʻia nā substrates GGG i nā mea magneto-optical a me spintronics ma muli o kā lākou mau waiwai magnetic a optical.ʻO kekahi mau waiwai koʻikoʻi o nā substrates GGG:
1. ʻO kaʻike kiʻekiʻe: Loaʻa i ka GGG kahi ākea o ka hoʻounaʻana i ka infrared (IR) a me ka'ōniʻoniʻo māmāʻikeʻia, kūpono no nā noiʻike.
2. Nā waiwai Magneto-optical: Hōʻike ʻo GGG i nā hopena magneto-optical ikaika, e like me ka hopena Faraday, kahi e hoʻololi ai ka polarization o ka mālamalama e hele ana i ka mea i ka pane ʻana i kahi māla magnetic i noi ʻia.Hiki i kēia waiwai ke hoʻomohala i nā mea hana magneto-optical like ʻole, me nā mea hoʻokaʻawale, modulators, a me nā mea ʻike.
3. Paʻa wela kiʻekiʻe: Loaʻa i ka GGG ke kūpaʻa wela kiʻekiʻe, e hiki ai iā ia ke pale i ka hana wela kiʻekiʻe me ka ʻole o ka hōʻino nui.
4. Hoʻonui wela haʻahaʻa: He koena haʻahaʻa ko GGG o ka hoʻonui ʻana i ka wela, e hoʻohālikelike ʻia me nā mea ʻē aʻe i hoʻohana ʻia i ka hana ʻana i nā mea hana a hoʻemi i ka hopena o ka hāʻule ʻana ma muli o ke koʻikoʻi mechanical.
Hoʻohana maʻamau ʻia nā substrates GGG ma ke ʻano he substrate a i ʻole nā papa pale no ka ulu ʻana o nā kiʻiʻoniʻoni lahilahi a i ʻole nā hale multilayer i nā mea magneto-optical a spintronic.Hiki iā lākou ke hoʻohana ʻia e like me nā mea rotator Faraday a i ʻole nā mea hana i nā lasers a me nā mea hana ʻole.
Hoʻohana pinepine ʻia kēia mau substrates me ka hoʻohana ʻana i nā ʻano hana ulu kristal e like me Czochralski, flux a i ʻole nā ʻenehana hoʻokō paʻa.ʻO ke ala kikoʻī i hoʻohana ʻia e pili ana i ka maikaʻi a me ka nui o ka substrate GGG i makemake ʻia.
