N'ebe a, attenuation ọnwụ mmetụta na laser arụmọrụ nkwalite nke Nd:YAG transperent ceramics a nyochara.Iji 0.6 at.% Nd: YAG seramiiki mkpanaka nwere dayameta 3 mm na ogologo 65 mm,A na-atụle ọnụọgụ mgbasa ozi na absorption coefficient na 1064 nm ka ọ bụrụ 0.0001 cm-1 na 0.0017 cm-1, n'otu n'otu.Maka nnwale laser n'akụkụ 808 nm, a na-enweta nkezi mmepụta ike nke 44.9 W site na ngbanwe ngwa anya-na-optical nke 26.4%, nke fọrọ nke nta ka ọ bụrụ nke 1 na.% otu kristal.N'ịnabata atụmatụ 885 nm kpọmkwem njedebe njedebe, ule laser ndị na-esonụ gosipụtara arụmọrụ ngwa anya dị elu nke 62.5% na ike mmepụta kachasị nke 144.8 W nwetara na ike mgbapụta nke 231.5 W. Nke a bụ ruo ugbu a arụmọrụ ntụgharị anya kachasị elu enwetara. na Nd: YAG seramiiki laser ka anyị maara.Ọ na-egosi na ike dị elu na nrụpụta laser dị elu nwere ike ịmepụta site na ezigbo anya Nd: YAG seramiiki mkpanaka yana teknụzụ mgbapụta 885 nm.
Akwụkwọ a na-egosi ike dị elu, eriri eriri dị warara, etiti infrared (MIR) laserat 6.45 µm, dabere na BaGa4Se7 (BGse) kristal oscillator oscillator kristal (OPO) gbagoro site na 1.064 µm laser.Ike kachasi ike na 6.45 µm ruru 1.23 mJ, nke nwere obosara usu nke 24.3 ns na nkwughachi nke 10 Hz, dabara na arụmọrụ ntụgharị anya-optical nke 2.1%, site na ọkụ mgbapụta 1.064 µm ruo ọkụ na-adịghị arụ ọrụ 6.45 µm.Ogologo ahịrị ọkụ na-abaghị uru dị ihe dị ka 6.8 nm. Ka ọ dị ugbu a, anyị gbakọrọ nke ọma ọnọdụ OPO na-adaba na BGSe crystal nke 1.064 µm laser gbagoro, na usoro ịme anwansị ọnụọgụ iji nyochaa ntinye-mpụta njirimara na 6.45 µm, yana nke ahụ. mmetụta nke ogologo kristal na ntughari arụmọrụ.Achọpụtara ezigbo nkwekọrịta n'etiti nha na ịme anwansị.Dị ka ihe ọmụma anyị si mara, nke a bụ ike pulse kachasị elu na 6.45 µm, yana eriri ahịrị dị warara maka laser steeti MIR ns ọ bụla siri ike na BGse-OPO nke 1.064 µm oscillator gbagoro.Sistemu OPO 6.45 µm dị mfe na kọmpat, nke nwere ike ọkpụ dị elu yana ogologo ahịrị dị warara, nwere ike mezuo ihe achọrọ maka ịkpụ anụ ahụ ma kwalite izi ezi nke anụ ahụ.
N'ime akwụkwọ a, anyị gosipụtara langasite (LGS) electro-optic Ho: YAG cavity-dumped laser nke na-egbochi uru ịdabere na oge pulse na lasers Q.A na-enweta oge pulse mgbe niile nke 7.2 ns na nkwughachi nke 100 kHz.Na-erite uru site na kristal LGS enweghị mmetụta mgbanaka piezoelectric dị ịrịba ama na mmetụta depolarization na-ebute thermally, a na-enweta ụgbọ oloko pulse kwụsiri ike na ike mmepụta nke 43 W. Maka oge mbụ, ngwa nke oghere-ekpofuru laser n'etiti etiti infrared (n'etiti- IR) ZnGeP2 (ZGP) oscillator optical parametric oscillator (OPO) emezuola, na-enye ụzọ a pụrụ ịdabere na ya iji nweta ọnụego nkwughachi dị elu yana obere oge mpịaji nanosecond maka nnukwu ike etiti infrared ZGP OPOs.Nkezi ike mmepụta bụ 15 W, dabara na oge pulse nke 4.9 ns yana ọnụego nkwughachi nke 100 kHz.
Anyị na-egosipụta na nke mbụ ọgbọ nke octave-spanning mid-infrared site na iji kristal na-abụghị nke BGse.A na-eji usoro laser Cr: ZnS na-ebuga 28-fs pulses na etiti ogologo nke 2.4 µm dị ka isi iyi mgbapụta, nke na-eme ka ọgbọ dị iche iche intra-pulse dị n'ime kristal BGse.N'ihi ya, a na-enwetara eriri brọdband n'etiti infrared na-agbatị site na 6 ruo 18 µm.Ọ na-egosi na kristal BGSe bụ ihe na-ekwe nkwa maka brọdband, ọgbọ nke etiti infrared ole na ole site na ntụgharị ugboro ugboro na isi mmalite mgbapụta femtosecond.
1.53W steeti nanosecond siri ike pulsed laser etiti infrared na 6.45 µm
