Er,YB:YAB-Er, Yb Co – Gilashin Fosphate Doped
Bayanin Samfura
(Er, Yb: gilashin phosphate) ya haɗu da tsawon rayuwa (~ 8 ms) na matakin laser akan 4 I 13/2 Er 3+ tare da ƙananan (2-3 ms) na 4 I 11/2 Er 3+ matakin. Rayuwa, na iya haifar da resonance F 5/2 m yanayi tare da Yb 3+ 2 . Saurin shakatawa na multiphonon maras raɗaɗi daga 4 I 11/2 zuwa 4 I 13/2 saboda hulɗar tsakanin Yb 3+ da Er 3+ ions suna jin daɗi a 2 F 5/2 da 4 I 11/2, bi da bi, wannan matakin makamashi yana rage girman mayar da makamashi canja wuri da up-juya asarar.
Er 3+ , Yb 3+ co-doped yttrium aluminum aluminate borate (Er, Yb: YAB) lu'ulu'u ana amfani da su akai-akai Er, Yb: phosphate madadin gilashin kuma za a iya amfani da shi azaman "ido-lafiya" kafofin watsa labarai masu aiki (1,5 -1) ,6 μm) Laser tare da matsakaicin matsakaicin ƙarfin fitarwa a cikin CW da yanayin pulsed. An kwatanta shi da babban ƙarfin wutar lantarki na 7,7 Wm-1 K-1 da 6 Wm-1 K-1 tare da a-axis da c-axis, bi da bi. Hakanan yana da babban inganci Yb 3+→Er 3+ canja wurin makamashi (~ 94%) da raunin juzu'i mai rauni wanda aka danganta ga ɗan gajeren rayuwa (~ 80 ns) na yanayin 4 I 11/2 mai farin ciki saboda madaidaicin ƙarfin phonon mai watsa shiri. yana da girma (vmax ~ 1500 cm-1). An lura da bandeji mai ƙarfi da faɗin sha (kimanin 17 nm) a 976 nm, daidai da yanayin fitar da inGaAs laser diode.
Basic Properties
Sashin Crystal | (1×1)-(10×10)mm2 |
Crystal kauri | 0.5-5 mm |
Haƙuri na girma | ± 0.1mm |
Karya gaban igiyar ruwa | ≤λ /8@633nm |
Gama | 10/5 (MIL-PRF-13830B) |
Lalata | ≤λ /6@633nm |
Daidaituwa | fiye da 10 arc seconds |