Lanthanum gallium silicate (La₃Ga₅SiO₁₄, LGS) crystal bụ nke tripartite crystal usoro, point group 32, oghere otu P₃₂₁ (Ọma 150). LGS nwere ọtụtụ mmetụta dị ka piezoelectric, electro-optical, optical rotation, na nwekwara ike iji dị ka ihe laser site doping. Na 1982, Kaminskyet al. kọrọ mmụba nke kristal LGS doped. N'afọ 2000, Uda na Buzanov mepụtara kristal LGS na dayameta nke 3 inch na ogologo 90 mm.

LGS crystal bụ ihe magburu onwe piezoelectric ihe na igbutu ụdị efu okpomọkụ ọnụọgụ. Mana dị iche na ngwa piezoelectric, ngwa eletrọnịkị Q-switching chọrọ ogo kristal dị elu. N'afọ 2003, Konget al. kristal LGS tolitere nke ọma na-enweghị ntụpọ macroscopic doro anya site na iji usoro Czochralski, wee chọpụta na ikuku uto na-emetụta agba nke kristal. Ha nwetara kristal LGS na-enweghị agba na isi awọ wee mee LGS ka ọ bụrụ EO Q-switch nwere nha 6.12 mm × 6.12 mm × 40.3 mm. Na 2015, otu nnyocha otu na Shandong University nke ọma toro LGS kristal na dayameta 50 ~ 55 mm, ogologo 95 mm, na arọ 1100 g na-enweghị doro anya nnukwu ntụpọ.

N'afọ 2003, otu nnyocha ahụ a kpọtụrụ aha n'elu na Mahadum Shandong hapụrụ laser beam gafee LGS kristal ugboro abụọ ma tinye otu ụzọ n'ụzọ anọ nke efere ebili mmiri iji gbochie mmetụta ntụgharị anya anya, si otú a ghọtara ngwa nke ntụgharị ntụgharị anya nke LGS crystal. Emere LGS EO Q-switch nke mbụ wee tinye ya nke ọma na sistemụ laser.

N'afọ 2012, Wang et al. kwadebere LGS electro-optic Q-switch na nha nke 7 mm × 7 mm × 45 mm, wee chọpụta mmepụta nke 2.09 μm pulsed laser beam (520mJ) na oriọna ọkụ nke Cr, Tm, Ho: YAG laser system. . N'afọ 2013, 2.79 μm pulsed laser beam (216mJ) rụpụtara na oriọna ọkụ na-agbapụta Cr, Er: YSGG laser, na obosara usu 14.36 ns. N'afọ 2016, Maet al. jiri 5 mm × 5 mm × 25 mm LGS EO Q mgba ọkụ na Nd: LuVO4 laser system, iji ghọta nkwughachi ọnụego nke 200 kHz, nke bụ ọnụ ọgụgụ kachasị elu nke LGS EO Q-switched laser system kọrọ n'ihu ọha ugbu a.

Dị ka ihe na-agbanwe EO Q, LGS crystal nwere ezigbo nkwụsi ike nke okpomọkụ na ọnụ ụzọ mmebi dị elu, ma nwee ike ịrụ ọrụ na ugboro ugboro ugboro ugboro. Otú ọ dị, e nwere ọtụtụ nsogbu: (1) Akụrụngwa LGS kristal dị oke ọnụ, ọ dịghịkwa ọganihu na-eji dochie gallium na aluminum nke dị ọnụ ala; (2) Ọnụ ọgụgụ EO nke LGS dị ntakịrị. Iji belata voltaji na-arụ ọrụ na ntọala nke ịgba mbọ hụ na oghere zuru ezu, ogologo kristal nke ngwaọrụ ahụ kwesịrị ịbawanye n'ahịrị, nke ọ bụghị naanị na-abawanye ọnụ ahịa mana ọ na-abawanye ụba ntinye.

LGS Crystal – TECHNOLOGY WISOPTIC