Eri,YB:YAB-Er, Yb Co – Doped Phosphate Gilasi
ọja Apejuwe
(Er, Yb: gilasi fosifeti) daapọ awọn gun s'aiye (~ 8 ms) ti awọn lesa ipele on 4 I 13/2 Er 3+ pẹlu awọn kekere (2-3 ms) ti 4 I 11/2 Eri 3+ ipele s'aiye, le se ina resonance F 5/2 yiya ipinle pẹlu Yb 3+ 2 . Isinmi multiphonon nonradiative ti o yara lati 4 I 11/2 si 4 I 13/2 nitori awọn ibaraenisepo laarin Yb 3+ ati Er 3+ ions ni itara ni 2 F 5/2 ati 4 I 11/2, lẹsẹsẹ, ipele agbara yii dinku pupọ gbigbe agbara pada ati awọn adanu iyipada-oke.
Er 3+ , Yb 3+ àjọ-doped yttrium aluminiomu aluminate borate (Er, Yb: YAB) kirisita ti wa ni commonly lo Er, Yb: fosifeti gilasi yiyan ati ki o le ṣee lo bi "oju-ailewu" lọwọ media (1,5 -1,6 μm) lesa pẹlu ga apapọ o wu agbara ni CW ati pulsed igbe. O jẹ ijuwe nipasẹ iṣesi igbona giga ti 7,7 Wm-1 K-1 ati 6 Wm-1 K-1 lẹgbẹẹ a-axis ati c-axis, lẹsẹsẹ. Tun ni o ni ga ṣiṣe Yb 3+→Er 3+ agbara gbigbe (~ 94%) ati ailera upconversion pipadanu Wọn si awọn gan kuru s'aiye (~ 80 ns) ti awọn 4 I 11/2 yiya ipinle nitori awọn ogun ká The o pọju phonon agbara jẹ ga (vmax ~ 1500 cm-1). Ẹgbẹ gbigba agbara ti o lagbara ati gbooro (bii 17 nm) ni a ṣe akiyesi ni 976 nm, ni ibamu pẹlu iwọn itujade ti diode laser InGaAs.
Awọn ohun-ini ipilẹ
Crystal apakan | (1× 1)-(10× 10) mm2 |
Crystal sisanra | 0.5-5mm |
Ifarada iwọn | ± 0.1mm |
Wavefront iparun | ≤λ /8@633nm |
Pari | 10/5 (MIL-PRF-13830B) |
Fifẹ | ≤λ /6@633nm |
Iparapọ | dara ju 10 aaki aaya |