Nd: Ka whakamahia te rakau karaihe YAG ki te miihini tohu laser me etahi atu taputapu laser.
Koinei anake nga matū totoka ka taea te mahi tonu i te pāmahana rūma, a ko te karaihe laser tino pai rawa atu.
Ano, ko te YAG (yttrium aluminum garnet) laser ka taea te doped ki te chromium me te neodymium hei whakarei ake i nga ahuatanga absorption o te laser.Ko te Nd,Cr:YAG laser he laser ahua totoka.Chromium katote(Cr3+) he whanui te absorption roopu;ka mimiti i te kaha me te whakawhiti atu ki nga katote neodymium(Nd3+) na roto i nga taunekeneke dipole-dipole.Ko te roangaru o te 1064nm ka tukuna e tenei laser.
Ko te mahi laser o Nd: YAG laser i whakaatuhia tuatahi i te Bell Laboratories i te tau o 1964. Ko te Nd, Cr: YAG laser e pupuhihia ana e te rauropi ra. ka tukuna nga pupuhi poto ultra.
Nga ahuatanga taketake o Nd:YAG
ingoa hua | Nd:YAG |
Tātai matū | Y3Al5O12 |
Hanganga tioata | Pūtoru |
Whakawhitiwhiti tonu | 12.01Å |
Te rewa | 1970°C |
whakatakotoranga | [111] ranei [100],i roto i te 5° |
Kiato | 4.5g/cm3 |
Taurangi Whakaata | 1.82 |
Te Whakanuia Ngaaariki | 7.8×10-6 /K |
Kawenga Weariki (W/m/K) | 14, 20°C / 10.5, 100°C |
Mohs pakeke | 8.5 |
Te Ora Irirangi | 550 matou |
Korewharewha Mahorahora | 230 matou |
Rainarangi | 0.6 nm |
Taunga Ngaronga | 0.003 cm-1 @ 1064nm |
Nga ahuatanga taketake o Nd,Cr:YAG
Momo taiaho | Mārō |
Pump puna Solar Radiation | Irirangi Solar |
Te roangaru whakahaere 1.064 µm | 1.064 µm |
tātai matū Nd3+:Cr3+:Y3Al5O12 | Nd3+:Cr3+:Y3Al5O12 |
Hanganga kirikiri Putoru | Pūtoru |
Te rewa 1970°C | 1970°C |
Te pakeke 8-8.5 | 8-8.5 |
Te kawe werawera 10-14 W/mK | 10-14 W/mK |
Ko te kōwae o Young 280 GPa | 280 GPa |
Tawhā Hangarau
Ahu | te diameter teitei o te dia.40mm |
Taumata Nd Dopant | 0~2.0atm% |
Whakaaetanga Diameter | ±0.05mm |
Whakaaetanga Roa | ±0.5mm |
Tikanga | <5′ |
Whakarara | <10″ |
Ngaru o mua | L/8 |
Papatahi | λ/10 |
Te kounga o te mata | 10/ 5 @ MIL-O-13830A |
Nga paninga | HR-Whakakikorua: R>99.8%@1064nm me R<5% @808nm |
AR-Pani (paparanga kotahi MgF2):R<0.25% mo ia mata (@1064nm) | |
Ētahi atu paninga HR | Pērā i te HR @1064/532 nm, HR @946 nm, HR @1319 nm me etahi atu roangaru e waatea ana. |
Paepae Tukino | >500MW/cm2 |