Nlebanya dị nkenke nke Lithium Niobate Crystal na Ngwa Ya - Nkebi 8: Ngwa Acoustic nke LN Crystal

Nlebanya dị nkenke nke Lithium Niobate Crystal na Ngwa Ya - Nkebi 8: Ngwa Acoustic nke LN Crystal

Nbunye 5G dị ugbu a gụnyere eriri sub-6G nke 3 ruo 5 GHz na igwe ebili mmiri millimeter nke 24 GHz ma ọ bụ karịa.Mmụba nke ugboro nkwurịta okwu ọ bụghị nanị na-achọ ka e nwee afọ ojuju piezoelectric nke ihe kristal, ma na-achọkwa obere wafers na obere oghere electrode interfingered, n'ihi ya, a na-agbagha usoro mmepụta nke ngwaọrụ.Ya mere, elu Acoustic nzacha kwadebere siLNkristal na lithium tantalate crystal, nke a na-ejikarị eme ihe n'oge 4G na n'oge gara aga, na-eche asọmpi nkennukwu ụdangwaọrụ ife (BAW) na ihe nkiri dị mkpannukwuụda resonator(FBAR) na oge 5G.

Nnyocha nkeLNkristal na elu ugboro nzacha enweela ọganihu ngwa ngwa, na teknụzụ nkwadebe nke ihe na ngwaọrụ ka na-egosi ikike dị ukwuu.Na 2018, Kimura et al.kwadebere ngwaọrụ 3.5 GHz longitudinal leaky ụda elu igwe dabere na 128°YLNmgbawa.In 2019 Lu et al.kwadoro ahịrị igbu oge ijiLNotu ihe nkiri kristal nwere obere ntinye ntinye nke 3.2 dB na 2 GHz, nke enwere ike itinye na brọdband ekwentị emelitere (eMMB) nke nkwukọrịta 5G.Na 2018, Yang et al.kwadebereLNresonato na etiti ugboro 10.8 GHznantinye ntinye 10. 8 dB;N'otu afọ ahụ, Yang et al.kọọkwara 21.4 GHz na 29.9 GHz resonators dabere naLNihe nkiri kristal, nke gosipụtara ikike nkeLNkristal na ngwaọrụ ugboro dị elu.Ndị nchọpụtakwenyere na ọ nwere ike gboo mkpa maka nzacha n'ihu dị ntakịrị na Kaband (26.5 ~ 40 GHz) na netwọk 5G.Na 2019, Yang et al.kọrọ ihe nzacha C-band dabere naLNotu ihe nkiri kristal, na-arụ ọrụ na 4.5 GHz.

Ya mere, na mmepe nkeLNotu kristaldị ka aIhe nkiri dị obere na teknụzụ ngwaọrụ ụda ọhụrụ, dịka otu n'ime ngwaọrụ bụ isi nke nkwukọrịta 5G n'ọdịnihu,nkenzacha RF n'ihu dabere naLNkristal nwere atụmanya ngwa dị mkpa.

LN Crystal-WISOPTIC

LN kristal dị elu na cell LN Pockels mepụtara site na WISOPTIC (www.wisoptic.com)


Oge nzipu: Feb-09-2022