Nd: Crystal ea YVO4
Nd: YVO4 (Neodymium-doped Yttrium Vanadate) ke e 'ngoe ea thepa e fumanehang hantle khoebong bakeng sa diode-pumped solid-state lasers, haholo-holo bakeng sa lasers tse nang le matla a tlase kapa a bohareng ba matla. Mohlala, Nd: YVO4 ke khetho e ntle ho feta Nd: YAG ea ho hlahisa maballo a matla a tlase lits'ebetsong tse ts'oeroeng ka letsoho kapa li-laser tse ling tse sebetsang. Lits'ebetsong tsena, Nd: YOV4 e na le melemo e meng ho feta Nd: YAG, mohlala, ho kenngoa ka bongata ka sesepa sa pompo ea laser le karolo e kholo ea tšusumetso ea matla.
Nd: YVO4 ke khetho e ntle bakeng sa tlhahiso e nang le polarized haholo ho 1342 nm, hobane mola o emisitsoeng o matla haholo ho feta mefuta e meng ea eona. Nd: YVO4 e khona ho sebetsa le likristale tse ling tse se nang maballo tse nang le li-coefferate tse phahameng tsa NLO (LBO, BBO, KTP) ho hlahisa mabone ho tloha haufi le infrared ho ea putsoa, boputsoa, kapa esita le UV.
Ikopanye le rona bakeng sa tharollo e molemohali ea kopo ea hau ea Nd: YVO4 likristale.
Bokhoni ba WISOPTIC - Nd: YVO4
• Likhetho tse fapaneng tsa karolelano ea Nd-doping (0,1% ~ 3.0at%)
• boholo bo fapaneng (bophara ba max: 16 × 16 mm2; bolelele bo boholo: 20 mm)
• Liaparo tse fapaneng (AR, HR, HT)
• Ho sebetsa ka nepo e phahameng
• Theko ea tlholisano haholo, ho tlisa kapele
Litlhaloso tse Tloaelehileng tsa WISOPTIC* - Nd: YVO4
| E lahla litekanyetso | Nd% = 0.2% ~ 3.0at% |
| Ho mamella tloaelo | +/- 0.5 ° |
| Aperture | 1 × 1 limilimithara2~ 16 × 16 mm2 |
| Bolelele | 0.02 mm ~ 20 mm |
| Ho mamella mamello | (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) |
| Bosholu | <λ / 8 @ 632.8 nm (L≥2.5mm) <λ / 4 @ 632.8 nm (L <2.5mm) |
| Boleng bo holimo | <20/10 [S / D] |
| Parallelism | <20 ” |
| Phethahetseng | ≤ 5 ' |
| Chamfer | ≤ 0,2 limilimithara le 45 ° |
| Tšitiso e fetisitsoeng ea Wave Wave | <λ / 4 @ 632.8 nm |
| Hlakisa Aperture | > 90% sebaka se bohareng |
| Coating | 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% |
| Motsoako oa Tšenyo ea Laser | > 700 MW / cm2 bakeng sa 1064nm, 10ns, 10Hz (AR-e koahetsoeng) |
| * Lihlahisoa tse nang le tlhoko e ikhethang mabapi le kopo. | |
Melemo ea Nd: YVO4 (bapisoa le Nd: YAG)
• Bongata bo boholo ba ho pompa ka bophara ba 808 nm (makhetlo a 5 a Nd: YAG)
• Karolo e kholo ea sefapano se emisitsoeng sa 1064nm (makhetlo a 3 a Nd: YAG)
• Morero oa tšenyo ea laser e ka tlase le katleho e phahameng ea moepa
• E fapane le Nd: YAG, Nd: YVO4 ke kristale e senang moea o fanang ka makhasi a emeng ka polarized, ho qoba ho senyeha ha birefringence.
Lits'oants'o tsa Laser tsa Nd: YVO4 vs Nd: YAG
|
Crystal |
Ho lahla （atm%） |
σ |
α (cm-1) |
τs (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 - motsoako o khothalelitsoeng oa sefapano, α - ho amoheloa ka mokhoa o lekaneng, - nako ea fluorescent Lα - bolelele ba ho amoheloa, Pth - matla a ho sesa, wapis - ho sebetsa ha pompo ea bongata |
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Lits'oaetso tsa 'Mele - Nd: YVO4
| Tekanyo ea Atomiki | 1.26x1020 li-atom / cm2 (Nd% = 1.0%) |
| Sebopeho sa kristale | Zircon tetragonal, sehlopha sa sebaka D4h-I4 / amd a = b = 7.1193 Å, c = 6.2892 Å |
| Bothata | 4,22 g / cm2 |
| Boima ba Mohs | 4.6 ~ 5 (khalase-joalo ka khalase) |
| Motsoako o atolositsoeng oa mafura (300K) | αa= 4.43x10-6/ K, αc= 11.37x10-6/ K |
| Motsoako o mokaaloang oa mafura (300K) | || c: 5.23 W / (m · K); ⊥c: 5.10 W / (m · K) |
| Ntlha e qobisang | 1820 ℃ |
Thepa ea Optical - Nd: YVO4
| Lasing wavelength | 914 nm, 1064 nm, 1342 nm |
| Lirosa tse khahlisang | e ntle uniaxial, 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 |
| Motsoako o lekaneng oa mafura (300K) | dno/dT=8.5x10-6/ K, dne/dT=3.0x10-6/ K |
| Karolo e khothalelitsoeng ea sefapano | 25.0x10-19 cm2 @ 1064 nm |
| Fluorescent ea bophelo | 90 (s (1.0at% Nd doped) @ 808 nm |
| Ho amoheloa ka botlalo | 31.4 cm-1 @ 808 nm |
| Bolelele ba Absorption | 0.32 mm @ 808 nm |
| Tahlehelo ea kahare | 0.02 cm-1 @ 1064 nm |
| Fumana bandwidth | 0.96 nm (257 GHz) @ 1064 nm |
| Motsoako o mongata oa laser | parclel a handic axis (c-axis) |
| Diode e pumped optical ho sebetsa hantle ka mokhoa oa katleho | > 60% |
|
Motsoako o kopaneng |
E lekantsoe |
