Nd: YVO4 Crystal
Nd: YVO4 (Neodymium-doped Yttrium Vanadate) shine ɗayan mafi kyawun kayan kasuwancin don lasars na diode-pumped-state lacers, musamman ga lasers tare da ƙarancin ƙarfin lantarki ko na tsakiya. Misali, Nd: YVO4 mafi kyawun zaɓi ne ga Nd: YAG don ƙirƙirar katako mai ƙarfi a cikin alamomin da ke riƙe da hannu ko wasu ƙananan layuka. A cikin waɗannan aikace-aikacen, Nd: YOV4 yana da wasu fa'ida akan Nd: YAG, misali babban ɗaukar ruwa mai hana fitowar laser tare da babban ɓangaren ɓarkewar ɓarkewar iska.
Nd: YVO4 zabi ne mai kyau don fitarwa mai girman gaske a 1342 nm, saboda layin motsi yana da ƙarfi sosai fiye da waɗancan hanyoyin. Nd: YVO4 yana da ikon yin aiki tare da wasu lu'ulu'u marasa daidaituwa tare da babban cokalin NLO (LBO, BBO, KTP) don samar da fitilu daga kusa da infrared zuwa kore, shuɗi, ko ma UV.
Tuntuɓe mu don mafi kyawu don aikace-aikacen Nd: YVO4 lu'ulu'u ne.
Canjin WISOPTIC - Nd: YVO4
• Zaɓuɓɓuka daban-daban na rabo na Nd-doping (0.1% ~ 3.0at%)
• Masu girma dabam (max diamita: 16 × 16 mmNa biyu; max tsayi: 20 mm)
• Kayan aiki daban-daban (AR, HR, HT)
• Babban aiki daidai
• Farashi mai saurin kayatarwa, isar da sauri
Bayanan Kayan WISOPTIC* - Nd: YVO4
Doping Ratio | Nd% = 0.2% ~ 3.0at% |
Fushin Juriya | +/- 0.5 ° |
Budewa | 1 × 1 mmNa biyu~ 16 × 16 mmNa biyu |
Tsawon Layi | 0.02 mm ~ 20 mm |
Dimuwa haƙuri | (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) |
Yarda | <λ / 8 @ 632.8 nm (L≥2.5mm) <λ / 4 @ 632.8 nm (L <2.5mm) |
Ingantawar Kasa | <20/10 [S / D] |
Daidaici | <20 " |
Rashin daidaituwa | 5 ' |
Chamfer | ≤ 0.2 mm @ 45 ° |
Watsa shirye-shiryen Wavefront | <λ / 4 @ 632.8 nm |
Share Share | > 90% yankin tsakiyar |
Mai sakawa | 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% |
Lalacewar Laser | > 700 MW / cmNa biyu don 1064nm, 10ns, 10Hz (mai rufin AR) |
* Samfuran da ke da bukata ta musamman kan buƙatu. |
Abvantbuwan amfãni daga Nd: YVO4 (idan aka kwatanta da Nd: YAG)
• Wurin fashewa mai faifai kusan 808 nm (sau 5 na Nd: YAG)
Ger Girma ya tayar da ɓulɓul-dutsen a 1064nm (sau 3 na Nd: YAG)
• resarancin lalacewar laser da ingantaccen gangara mai gangara
• Bambanta da Nd: YAG, Nd: YVO4 abu ne wanda ba shi da wata madaidaiciya wadda ke ba da izinin motsi kamar yadda ya kamata, tare da guje wa sake canza yanayin tauhidi.
Kayayyakin Laser na Nd: YVO4 vs Nd: YAG
Crystal |
Doping (atm%) |
σ |
(cm-1) |
τ (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 - motsawar iska mai motsawa, α - matattarar hankali, τ - rayuwa mai kyalli Lα - tsawon sha, Pth - ikon saukarwa, ηs - ingantaccen kabewa mai inganci |
Kayan Jiki - Nd: YVO4
Atomic yawa | 1.26x1020 atom / cmNa biyu (Nd% = 1.0%) |
Tsarin Crystal | Zircon tetragonal, rukunin sararin samaniya D4h-I4 / am a = b = 7.1193 Å, c = 6.2892 Å |
Yawan yawa | 4.22 g / cmNa biyu |
Hsarfin Mohs | 4.6 ~ 5 (gilashi mai kama da juna) |
Balaguro mai yaduwa coefficient (300K) | αa= 4.43x10-6/ K, αc= 11.37x10-6/ K |
Tasirin yanayin aiki yana da yawa (300K) | || c: 5.23 W / (m · K); ⊥c: 5,10 W / (m · K) |
Narkewa aya | 1820 ℃ |
Kayan Kwalliya - Nd: YVO4
Zazzabi mai laushi | 914 nm, 1064 nm, 1342 nm |
Manyan abubuwan kula | tabbatacciyar magana, no= na= nb ne= nc no= 1.9573, ne= 2.1652 @ 1064 nm no= 1.9721, ne= 2.1858 @ 808 nm no= 2.0210, ne= 2.2560 @ 532 nm |
Coeff optical coefficient (300K) | dno/dT=8.5x10-6/ K, dne/dT=3.0x10-6/ K |
Imuarfafa ɓarkewar yanayin ƙasa | 25.0x10-19 cmNa biyu @ 1064 nm |
Rayuwa mai kyalli | 90 (s (1.0at% Nd doped) @ 808 nm |
Ba zai iya aiki ba | 31.4 cm-1 @ 808 nm |
Tsawon rashin tsari | 0.32 mm @ 808 nm |
Rashin asara | 0.02 cm-1 @ 1064 nm |
Samun bandwidth | 0.96 nm (257 GHz) @ 1064 nm |
Laaddamarwar laser mara izini | layi daya zuwa optim axis (c-axis) |
Diode ya harzuka mai karfin gaske zuwa ingantaccen karfin gani | > 60% |
Laarfin mulki mara izini |
An Bude |