Nd: YVO4 Crystal
Nd: YVO4 (Nettamium-doped Yttrium Vanadate) jẹ ọkan ninu awọn ohun elo iṣowo ti o dara julọ ti o wa fun awọn lasers-solid-solid-diode-solid-state, pataki fun awọn lasers pẹlu iwuwo agbara kekere tabi arin. Fun apẹẹrẹ, Nd: YVO4 jẹ yiyan ti o dara julọ ju Nd: YAG fun ṣiṣẹda awọn agogo agbara kekere ni awọn itọka ti o ni ọwọ tabi awọn lapapọ iwapọ miiran. Ninu awọn ohun elo wọnyi, Nd: YOV4 ni awọn anfani diẹ sii lori Nd: YAG, fun apẹẹrẹ gbigba giga ti fifo lesa itanna fifa ati apakan ikasi itutu fifun nla.
Nd: YVO4 jẹ yiyan ti o dara fun iṣelọpọ agbara ti o ga pupọ ni 1342 nm, bi laini imukuro ṣe le ju ti awọn yiyan rẹ lọ. Nd: YVO4 ni agbara lati ṣiṣẹ pẹlu diẹ ninu awọn kirisita ti kii ṣe deede pẹlu alafọwọsọ NLO giga (LBO, BBO, KTP) lati ṣe ina awọn ina lati sunmọ infurarẹẹdi si alawọ alawọ, bulu, tabi paapaa UV.
Kan si wa fun ipinnu ti o dara julọ fun ohun elo rẹ ti Nd: YVO4 awọn kirisita.
Agbara WISOPTIC - Nd: YVO4
• Awọn aṣayan oriṣiriṣi ti ipin Nd-doping (0.1% ~ 3.0at%)
• Awọn titobi oriṣiriṣi (iwọn ila opin: 16 × 16 mm)2; ipari max: 20 mm)
• Awọn aṣọ awọleke oriṣiriṣi (AR, HR, HT)
• Didara processing giga
• Iye ifigagbaga pupọ, ifijiṣẹ iyara
Awọn asọye WISOPTIC Awọn alaye* - Nd: YVO4
Doping Ratio | Nd% = 0.2% ~ 3.0at% |
Iṣalaye Iṣalaye | +/- 0,5 ° |
Iho | 1 × 1 mm2~ 16 × 16 mm2 |
Gigun | 0.02 mm ~ 20 mm |
Iwọn iyọrisi | (W ± 0.1mm) × (H ± 0.1mm) × (L + 0,5 / -0.1mm) (L≥2.5mm) (W ± 0.1mm) × (H ± 0.1mm) × (L + 0.2 / -0.1mm) (L <2.5mm) |
Alapin | <λ / 8 @ 632.8 nm (L≥2.5mm) <λ / 4 @ 632.8 nm (L <2.5mm) |
Didara dada | <20/10 [S / D] |
Afiwewe | <20 ” |
Pipọsi | Éù '5' |
Chamfer | ≤ 0.2 mm @ 45 ° |
Itanna Wavefront Distortion | <λ / 4 @ 632.8 nm |
Ko kuro | > 90% aringbungbun agbegbe |
Ibora | AR @ 1064nm, R <0.1% & HT @ 808nm, T> 95%; HR @ 1064nm, R> 99.8% & HT @ 808nm, T> 95%; HR @ 1064nm, R> 99.8%, HR @ 532 nm, R> 99% & HT @ 808 nm, T> 95% |
Lasan bibajẹ ala | > 700 MW / cm2 fun 1064nm, 10ns, 10Hz (ti a bo-AR) |
* Awọn ọja pẹlu ibeere pataki lori ibeere. |
Awọn anfani ti Nd: YVO4 (ni akawe pẹlu Nd: YAG)
• Ẹrọ gbigbẹ fifẹ nla ni ayika 808 nm (ni igba marun marun 5 ti Nd: YAG)
• Iyatọ nla nla ti atẹgun idaru-ọrọ ni 1064nm (ni igba mẹta mẹta ti Nd: YAG)
• Ilẹ ibajẹ laser isalẹ ati ṣiṣe giga ite
• Yatọ si Nd: YAG, Nd: YVO4 jẹ garaia ti ko ni iyasọtọ eyiti o funni ni ifipalẹ laini lọna ti a fi agbara mu, yago fun aiṣe-aarọ bibajẹ lilu ti ara ṣe pataki.
Awọn ohun-ini Laser ti Nd: YVO4 la Nd: YAG
Crystal |
Doping (atm%) |
σ |
(cm-1) |
(μs) |
Lα (mm) |
Pth (mW) |
ηs (%) |
Nd: YVO4 |
1.0 |
25 |
31,2 |
90 |
0.32 |
30 |
52 |
2.0 |
25 |
72,4 |
50 |
0.14 |
78 |
48,6 |
|
Nd: YVO4 |
1.1 |
7 |
9.2 |
90 |
- |
231 |
45,5 |
Nd: YAG |
0.85 |
6 |
7.1 |
230 |
1.41 |
115 |
38,6 |
σ - ẹya emirija itusilẹ, α - ibaramu gbigba, τ - igbesi aye Fuluorisenti Lα - gigun gbigba, Pth - agbara ala, ηs - ṣiṣe fifa fifa pọsi |
Awọn ohun-ini ti ara - Nd: YVO4
Iwuwo Atomu | 1.26x1020 awọn ọta / cm2 (Nd% = 1.0%) |
O be be | Zircon tetragonal, ẹgbẹ aaye D4h-I4 / amd a = b = 7.1193 Å, c = 6.2892 Å |
Iwuwo | 4,22 g / cm2 |
Líle mohs | 4.6 ~ 5 (gilasi ti o fẹran) |
Olumulo imugboroosi alafisodi (300K) | αa= 4.43x10-6/ K, αc= 11.37x10-6/ K |
Alafọwọko iwa ibaṣiṣẹ (300K) | || c: 5.23 W / (m · K); ⊥c: 5,10 W / (m · K) |
Ntoka | 1820 ℃ |
Awọn ohun-ini Opin - Nd: YVO4
Yiyalo wefulenti | 914 nm, 1064 nm, 1342 nm |
Ami awọn itọka | aiṣedeede rere, no= na= nb? né= nc no= 1.9573, né= 2.1652 @ 1064 nm no= 1.9721, né= 2.1858 @ 808 nm no= 2.0210, né= 2.2560 @ 532 nm |
Alafọwọda ipanilara opitika (300K) | dno/dT=8.5x10-6/ K, dné/dT=3.0x10-6/ K |
Agbara idaru-ọrọ igbafẹfẹ | 25,0x10-19 cm2 @ 1064 nm |
Igbadun Fuluorisenti | 90 μs (1.0at% Nd doped) @ 808 nm |
Sisọsọda sọsọ | 31,4 cm-1 @ 808 nm |
Gigun isansa | 0.32 mm @ 808 nm |
Isonu ti inu | 0.02 cm-1 @ 1064 nm |
Gba igbohunsafẹfẹ | 0.96 nm (257 GHz) @ 1064 nm |
Ifiweranṣẹ laser ti a fun laaye | ni afiwe si ọna opitiki (ijesoke) |
Diode ti fa ifan si iṣẹ ṣiṣe opitika | > 60% |
Ifipalẹ ọba ti a ni aṣẹ |
Ti ni aṣẹ |