Isi mmalite Terahertz na-abụkarị otu n'ime teknụzụ kachasị mkpa na mpaghara nke THz.N'ime akwụkwọ nke fotonics, ọgbọ dị iche iche anya na-adịghị n'ịntanetị na-adabere na nnukwu ọnụọgụ na-adịghị na ntanetị, nnukwu mmebi anya kristal na-abụghị nke ntanetị bụ otu n'ime ụzọ isi nweta ike dị elu, nke a na-emegharị emegharị, na obere okpomọkụ na-arụ ọrụ THz wave.GaSe na ZnGeP2(ZGP) kristal na-adịghị adị na-etinyekarị.
kristal GaSe nwere obere nnabata na millimeter & THz wave, ọnụ ụzọ mebiri emebi na ọnụọgụ ọnụọgụ abụọ na-abụghị nke abụọ (d22 = 54 pm/V), na-ejikarị hazie Terahertz wave n'ime 40μm yana ogologo waveband tunable Thz wave (karịa 40μm).E gosipụtara ya na ebili mmiri THz na-atụgharị na 2.60 -39.07μm mgbe akụkụ egwuregwu na 11.19°-23.86°[eoo (e - o = o)], na 2.60 -36.68μm mmepụta mgbe akụkụ egwuregwu na 12.19°-27.01°[eoe (e) - o = e)).Ọzọkwa, 42.39-5663.67μm tunable THz ebili mmiri nwetara mgbe akụkụ egwuregwu na 1.13°-84.71°[oee (o - e = e)].
A na-enyocha kristal ZnGeP2 (ZGP) nwere ọnụọgụ ọnụọgụ na-adịghị elu, nrụpụta ọkụ dị elu, ọnụ ụzọ anya mebiri emebi dị elu ka a na-enyochakwa dị ka isi iyi THz mara mma.ZnGeP2 nwekwara ọnụọgụ ọnụọgụ abụọ na-adịghị adị na d36 = 75 pm/V), nke bụ 160 ugboro nke kristal KDP.Ụdị egwuregwu abụọ nke kristal ZGP (1.03°-10.34°[oee (oe = e)]& 1.04°-10.39°[oeo (oe= e)]) na-ahazi mmepụta THz yiri ya (43.01 -5663.67μm), Ụdị oeo gosipụtara na ọ bụ nhọrọ ka mma n'ihi na ọ na-arụ ọrụ nke ọma na-adịghị na ntanetị.N'ime ogologo oge, mmepụta nke kristal ZnGeP2 dị ka isi iyi Terahertz nwere oke, n'ihi na kristal ZnGeP2 sitere na ndị na-ebubata ndị ọzọ nwere nnabata dị elu na mpaghara infrared dị nso (1-2μm): ọnụọgụ absorption> 0.7cm-1 @ 1μm na> 0.06 cm-1@2μm.Agbanyeghị, DIEN TECH na-enye kristal ZGP (Nlereanya: YS-ZGP) nwere nnabata dị ala: ọnụọgụ absorption <0.35cm-1@1μm na <0.02cm-1@2μm.Kristal YS-ZGP dị elu na-enyere ndị ọrụ aka iru mmepụta ka mma.
Ntụaka:'基于 GaSe 和 Zn GeP2 晶体差频产生可调谐太赫兹辐射的理论研究'2008 Chin.Phys.Soc.
