Ndi: YVO4
Nd:YVO4 crystal ndi imodzi mwa ma laser host host crystal omwe alipo pano a diode laser pumped solid state lasers.Kutulutsa kwake kwakukulu komwe kumapangitsa kuti pakhale gawo laling'ono laling'ono, kuyamwa kwakukulu kokwanira komanso bandwidth yochulukirapo pamapampu wavelength, kuwonongeka kwakukulu kwa laser komanso mawonekedwe abwino akuthupi, owoneka bwino komanso amakina amapangitsa Nd: YVO4 kukhala kristalo wabwino kwambiri wamphamvu kwambiri, yokhazikika komanso yokhazikika. okwera mtengo diode pumped solid-state lasers.
Features ndi Mapulogalamu
★ Kutsika pang'ono polowera komanso kutsetsereka kwakukulu
★ Kutsika kodalira kutalika kwa pampu
★ Gawo lalikulu losonkhezeredwa ndi umuna pamafunde atalikirapo
★ Kuyamwa kwakukulu pa bandwidth yamphamvu yopopa
★ Optically uniaxial ndi lalikulu birefringence zimatulutsa polarized laser
★ Kutulutsa kwa single-longitudinal-mode ndi kapangidwe kakang'ono
★ Diode laser-pumped Nd:YVO4 compact laser ndi laser yake yowirikiza kawiri yobiriwira, yofiira kapena yabuluu idzakhala zida zabwino za laser zopangira makina, kukonza zinthu, mawonekedwe owonera, kuyang'ana kwawafa, chiwonetsero chowala, kuwunika zamankhwala, kusindikiza kwa laser ndi zina zofala kwambiri. mapulogalamu
Zakuthupi
| Kuchuluka kwa Atomiki | ~ 1.37x1020 maatomu/cm3 |
| Kapangidwe ka Crystal | Zircon Tetragonal, gulu la danga D4h |
| a=b=7.12, c=6.29 | |
| Kuchulukana | 4.22g/cm3 |
| Mohs Kuuma | Ngati galasi, ~5 |
| Thermal Expansion Coefficient | ndi = 4.43x10-6/K, c=11.37x10-6/K |
Optical Properties
(nthawi zambiri pa 1.1 atm% Nd:YVO4, makhiristo odulidwa)
| Lasing Wavelengths | 914nm, 1064nm, 1342nm |
| Thermal Optical Coefficient | dna/dT=8.5x10-6/K, dnc/dT=3.0x10-6/K |
| Stimulated Emission Cross-Section | 25.0x10-19cm2@1064nm |
| Fluorescent Lifetime | 90us @808nm, (50us @808 nm kwa 2atm% Nd doped) |
| Mayamwidwe Coefficient | 31.4 cm-1@808nm |
| Kutalika kwa Mayamwidwe | 0.32 mm @ 808nm |
| Intrinsic Loss | Pansi pa 0.1% cm-1@1064nm |
| Pezani Bandwidth | 0.96 nm (257 GHz) @ 1064nm |
| Polarized Laser Emission | p polarization, Parallel to optic axis (c-axis) |
| Diode Pumped Optical to Optical Efficiency | 60% |
| Kalasi ya Crystal | Positive uniaxial, no=na=nb, ne=nc, no=1.9573, ne=2.1652, @1064nm no=1.9721, ne=2.1858, @808nm no=2.0210, ne=2.2560, @532nm |
| Sellmeier Equation(ya makhiristo a YVO4, λ mu um) | no2=3.77834+0.069736/(λ2-0.04724)-0.0108133λ2 ne2=4.59905+0.110534/(λ2-0.04813)-0.0122676λ2 |
Laser Properties
(Nd:YVO4 vs Nd:YAG)
| Laser Crystal | Ndi dope | σ | α | τ | La | Pth | η |
| (atm%) | (x10-19cm2) | (cm-1) | (cm-1) | (mm) | (mW) | ( %) | |
| Nd:YVO4(kudula) | 1.1 | 25 | 31.2 | 90 | 0.32 | 78 | 48.6 |
| 2 | 72.4 | 50 | 0.14 | ||||
| Nd:YVO4(c-kudula) | 1.1 | 7 | 9.2 | 90 | 231 | 45.5 | |
| Nd: YAG | 0.85 | 6 | 7.1 | 230 | 1.41 | 115 | 38.6 |
Zofunika Kwambiri
| Parameters | Ranges kapena Tolerances |
| Nd Dopant Level | 0.1-5.0 pa m% |
| Kubalalitsa | Zosawoneka, zofufuzidwa ndi laser ya He-Ne |
| Orientation Tolerance | ± 0.5 deg |
| Dimensional Tolerance | ± 0.1 mm |
| Ubwino Pamwamba (Scratch-Dig) | 10-5 |
| Khomo Loyera | 90% |
| Pamwamba Pamwamba | < λ/10 @ 633 nm |
| Vuto la Wavefront | < λ/8 @ 633 nm |
| Kufanana | <10 arcsec |
| Kukonzekera kwa Nkhope Zomaliza | Plano / Plano |
| Intrinsic Loss | <0.1%cm-1 |
| Zopaka | AR 1064 & HT 808: R <0.1% @1064nm, R<5% @ 808nm HR 1064 & HT 808 & HR 532: R>99.8% @1064nm, R<5% @ 808nm, r="">99% @ 532nm AR 1064: R<0.1% @ 1064nm |
Kuti mudziwe zambiri zamtundu wina wa kristalo monga Nonlinear Crystal [BBO (Beta-BaB2O4), Potassium Titanium Oxide Phosphate (KTiOPO4 kapena KTP)], Passive Q-Switch Crystal [Cr: YAG (Cr4+:Y3Al5O12)], EO Crystal [ Lithium Niobate (LiNbO3), BBO crystal], Birefringent Crystal [Yttrium Orthovanadate (YVO4), Calcite, Lithium Niobate (LiNbO3), High Temperature Form BBO (α-BaB2O4), Single Synthetic Crystal Quartz, Magnesium Fluoride] (MgF2) mtengo, chonde omasuka kulankhula nafe.
