Er,YB:YAB-Er, Yb Co – Doped Phosphate Glass
Nkọwa ngwaahịa
(Er, Yb: iko phosphate) na-ejikọta ogologo ndụ (~ 8 ms) nke ọkwa laser na 4 I 13/2 Er 3+ na ala (2-3 ms) nke ọkwa 4 I 11/2 Er 3+ Oge ndụ, nwere ike iwepụta resonance F 5/2 nwere obi ụtọ na Yb 3+ 2. Ntụrụndụ multiphonon na-adịghị ngwa ngwa site na 4 I 11/2 ruo 4 I 13/2 n'ihi mmekọrịta dị n'etiti Yb 3+ na Er 3+ ion nwere obi ụtọ na 2 F 5/2 na 4 I 11/2, n'otu n'otu, ike a na-ebelata nke ukwuu. mbufe ume azụ na mfu mgbanwe mgbanwe.
Er 3+ , Yb 3+ co-doped yttrium aluminium aluminate borate (Er, Yb: YAB) kristal na-ejikarị Er, Yb: phosphate uzo ozo nwere ike iji mee ihe dị ka "anya-safe" mgbasa ozi na-arụ ọrụ (1,5-1). ,6 μm) lasers nwere ike mmepụta dị elu na CW na ụdị pulsed. A na-eji ya dị elu nke okpomọkụ nke 7,7 Wm-1 K-1 na 6 Wm-1 K-1 tinyere a-axis na c-axis, n'otu n'otu. Ọzọkwa nwere elu arụmọrụ Yb 3+→Er 3+ ike nyefe (~ 94%) na adịghị ike upconversion mfu a na-ekwu na obere oge ndụ (~ 80 ns) nke 4 I 11/2 obi ụtọ ala n'ihi na onye ọbịa's kacha phonon ume dị elu (vmax ~ 1500 cm-1). A hụrụ eriri mmịpụta siri ike na nke sara mbara (ihe dị ka 17 nm) na 976 nm, kwekọrọ n'ụdị ikuku ikuku nke diode laser InGaAs.
Njirimara ndị bụ isi
Akụkụ kristal | (1×1)-(10×10)mm2 |
Ọkpụrụkpụ kristal | 0.5-5 mm |
Nkwenye akụkụ | ± 0.1mm |
Mgbagha ihu ihu | ≤λ /8@633nm |
Mechaa | 10/5 (MIL-PRF-13830B) |
Ịdị nro | ≤λ /6@633nm |
Myirịta | mma karịa 10 arc sekọnd |