Nd YAG
Emepụtara n'ime afọ iri isii nke narị afọ gara aga, Nd: YAG bụ ma na-aga n'ihu na-abụ kristal laser kachasị eji eme ihe maka ihe kristal siri ike.Akụkụ laser ya bụ nkwekọrịta dị mma n'etiti ike na adịghị ike nke asọmpi ya.Nd: A na-eji kristal YAG mee ihe n'ụdị lasers steeti siri ike.E jiri ya tụnyere kristal laser ndị ọzọ, oge ndụ ya na-egbuke egbuke dị okpukpu abụọ karịa Nd: YVO4 , na conductivity thermal dịkwa mma.
Atụmatụ na ngwa
★ Mfu dị ala na 1064 nm, Ogo ngwa anya dị elu, ezigbo igwe na akụrụngwa ọkụ.
★ Nnukwu uru, ala ala, arụmọrụ dị elu
★ N'ihi cubic symmetry na elu àgwà, Nd: YAG dị mfe iji rụọ ọrụ na TEM00 mode
★ Wepụta-acha anụnụ anụnụ laser na ugboro-okpukpu nke 946nm
★ Bụrụ Q-gbanwee na Cr: YAG ozugbo
★ A ga-arụ ya na laser ike dị elu ruo ọkwa KW
Njirimara anụ ahụ
| Usoro ọgwụ | Nd:Y3Al5O12 |
| Ọdịdị kristal | Kubik |
| Lattice Constant | 12.01 |
| Ntinye uche | 1.2 x 1020 cm-3 |
| Ebe Na-agbaze | 1970 ℃ |
| Njupụta | 4.56 g/cm3 |
| Mohs ike | 8.5 |
| Ntụgharị uche | 1.82 |
| Nrụpụta okpomọkụ | 14 W/m/K @20℃, 10.5 W/m /K @100℃ |
| Ọnụego Mgbasawanye okpomọkụ | 7.8 x 10-6/K [111], 0-250 ℃ |
Ngwa anya
| Ogologo ogologo mgbapụta | 807.5 nm |
| Ogologo ogologo oge | 1064nm |
| Ụlọ ọrụ Photon Energy | 1.86x10-19J@1064nm |
| Ngalaba Cross-Section na-akpali akpali | 2.8x10-19 cm2 |
| Oge ndụ Radiative | 550 anyị |
| Fluorescence ozugbo | 230 anyị |
| Ọnụ ego efu | 0.003cm-1 @ 1064nm |
| Mgbapụta Absorption na Pump Wavelength | 1 nm |
| Ogologo ahịrị | 0.6nm |
| Mgbapụta ikuku | Akwụsịghị ya |
| Thermal Biefringence | Elu |
Nkọwapụta igodo
| Oke | Oke ma ọ bụ ndidi |
| Nd Dopant Ọkwa | 0.5-1.1 na m% |
| Nhazi | <111> ntụzịaka kristal (± 0.5 deg) |
| Nlere anya akụkụ | Dayameta: ± 0.05 mm |
| Ogologo: ± 0.5 mm | |
| Ogo elu (nyocha - igwu) | 10-5 |
| Kpochapụ oghere | > 90% |
| Dị larịị | < λ/10 @ 633 nm |
| Njehie Wavefront | < λ/8 @ 633 nm |
| Myirịta | <10 arc |
| Perpendicularity | <5 akụkụ |
| Chamfer | <0.1 mm x 45° |
| mkpuchi AR | R <0.25% @1064 nm kwa elu Ọnụ ụzọ mmebi karịrị 750MW/cm2 @1064nm,10 ns na 10 Hz |
| mkpuchi HR | Ọkọlọtọ R> 99.8%@1064nm, R<5%@808nm Ihe mkpuchi ndị ọzọ dị maka arịrịọ gị |
Anyị na-enyekwa ndị grooved Nd: YAG laser rods, nke nwere ike imeziwanye ogo nke osisi ahụ, belata mmetụta ọkụ, ma melite arụmọrụ nke mkpanaka osisi site na 10-20%.
Maka ozi ndị ọzọ na ụdị kristal ndị ọzọ dị ka Crystal Nonlinear [BBO (Beta-BaB2O4), Potassium Titanium Oxide Phosphate (KTiOPO4 ma ọ bụ KTP)], Passive Q-Switch Crystal [Cr: YAG (Cr4+: Y3Al5O12)], EO Crystal [ Lithium Niobate (LiNbO3), BBO crystal], Birefringent Crystal [Yttrium Orthovanadate (YVO4), Calcite, Lithium Niobate (LiNbO3), Ụdị okpomọkụ dị elu BBO (α-BaB2O4), Single sịntetik Crystal Quartz, Magnesium Fluoride (MgF2)] ma ọ bụ nweta a see okwu, biko nweere onwe gị ịkpọtụrụ anyị.
