Er: YAG - 2.94 Um Laser Crystal mara mma
Nkọwa ngwaahịa
Ọrụ a na-enyocha ihe ngosi na usoro makaEr: YAGlaser skin resurfacing na-akọwapụta ọrụ nke interprofessional otu n'ịtụle na ọgwụgwọ ndị ọrịa na-na-na Er: YAG laser resurfacing nke akpụkpọ.
Er: YAG bụ ụdị ọmarịcha 2.94 um laser kristal, nke a na-ejikarị na sistemụ ahụike laser na mpaghara ndị ọzọ.Er: YAGLaser kristal bụ ihe kachasị mkpa nke laser 3nm, na mkpọda nwere arụmọrụ dị elu, nwere ike ịrụ ọrụ na laser okpomọkụ ụlọ, ogologo ikuku laser dị n'ime oke nke igwe nchekwa anya mmadụ, wdg.
2,94 nkeEr: YAGA na-ejikarị laser eme ihe n'ịwa ahụ ahụike, ịma mma anụ ahụ, ọgwụgwọ eze.Lasers kwadoro site Er: YAG (erbium dochie: yttrium aluminum garnet), na-arụ ọrụ na 2.94 microns, kristal di na nwunye nke ọma n'ime mmiri na ahụ mmiri. Nke a bara uru karịsịa maka ngwa n'ọhịa nke ọgwụ laser na dentistry. Nsonaazụ nke Er: YAG na-enyere aka nleba anya na-enweghị mgbu nke ọkwa shuga ọbara, ebe ọ na-ebelata ihe ize ndụ nke ibute ọrịa n'enweghị nsogbu. Ọ dịkwa irè maka ọgwụgwọ laser nke anụ ahụ dị nro, dị ka ihe ịchọ mma resurfacing. Ọ bakwara uru maka ịgwọ anụ ahụ siri ike dịka enamel eze.
Er: YAG na-enweta uru karịa kristal laser ndị ọzọ na 2.94 micron nso na ọ na-eji YAG dị ka kristal onye ọbịa. Ngwongwo anụ ahụ, ọkụ na anya nke YAG bụ nke amara nke ọma ma ghọta nke ọma. Ndị na-emepụta Laser na ndị na-arụ ọrụ nwere ike itinye ahụmahụ omimi ha na Nd: YAG laser system iji nweta arụmọrụ dị elu site na sistemụ laser 2.94 micron site na iji Er: YAG.
Njirimara ndị bụ isi
| Ọnụọgụ nke Thermal Mgbasawanye | 6.14 x 10-6 K-1 |
| Ọdịdị kristal | Kubik |
| Diffusivity nke okpomọkụ | 0,041 cm2 s-2 |
| Nrụpụta okpomọkụ | 11.2 W m-1 K-1 |
| Okpomọkụ akọwapụtara (Cp) | 0,59 J g-1 K-1 |
| Thermal Shock Resistant | 800W m-1 |
| Ntụgharị ntụgharị @ 632.8 nm | 1.83 |
| dn/dT (Thermal Coefficient of Refractive Index) @ 1064nm | 7.8 10-6 K-1 |
| Ibu molekụla | 593,7 g mol-1 |
| Ebe Na-agbaze | 1965°C |
| Njupụta | 4.56 g cm-3 |
| MOHS siri ike | 8.25 |
| Modul nke Young | 335Gpa |
| Ike ọdụdọ | 2 Gpa |
| Lattice Constant | a=12.013 Å |
Nka nka
| Ntinye uche nke dopant | Ebe: ~ 50 na% |
| Nhazi | [111] n'ime 5° |
| Mgbagha Wavefront | ≤0.125λ/inch(@1064nm) |
| Oke mkpochapụ | ≥25dB |
| Nha mkpara | Dayameta: 3 ~ 6mm, Ogologo: 50 ~ 120 mm |
| N'elu arịrịọ nke ndị ahịa | |
| Nlere anya akụkụ | Dayameta:+0.00/-0.05mm, |
| Ogologo: ± 0.5mm | |
| Barel mecha | Ground mechaa na 400 # Grit ma ọ bụ na-egbu maramara |
| Myirịta | ≤10" |
| Perpendicularity | ≤5′ |
| Ịdị nro | λ/10 @632.8nm |
| Ogo elu | 10-5 (MIL-O-13830A) |
| Chamfer | 0.15 ± 0.05mm |
| Ntụle anya mkpuchi mkpuchi AR | ≤ 0.25% (@2940nm) |
Ngwa anya na Spectral
| Ntugharị Laser | 4I11/2 ruo 4I13/2 |
| Laser Wavelengtha | 2940nm |
| Ụlọ ọrụ Photon Energy | 6.75×10-20J(@2940nm) |
| Ngalaba Cross Emission | 3 × 10-20 cm2 |
| Index nke ntụgharị uche | 1.79 @2940nm |
| Mgbapụta Mgbapụta | 600 ~ 800 nm |
| Ntugharị Laser | 4I11/2 ruo 4I13/2 |
