Nd: YVO4
Nd:YVO4 crystal yana daya daga cikin mafi inganci Laser rundunar crystal a halin yanzu data kasance ga diode Laser famfo m jihar Laser. Its manyan tsokana watsi giciye-section a lasing raƙuman ruwa, high sha coefficient da fadi da sha bandeji a famfo wavelength, high Laser jawo lalacewa kofa da kyau jiki, na gani da kuma inji Properties sa Nd: YVO4 wani kyakkyawan crystal ga babban iko, barga da kuma m diode famfo m-jihar Laser.
Fasaloli da Aikace-aikace
★ Low lasing kofa da high gangara yadda ya dace
★ Low dogara akan famfo wavelength
★ Babban kara kuzari giciye-sashe a lasing zango
★ High sha a kan fadi da famfo igiyar ruwa bandwidth
★ Optically uniaxial da manyan birefringence suna fitar da Laser mai polarized
★ Domin Single-Tsawon-mode fitarwa da m zane
★ Diode Laser-pumped Nd:YVO4 m Laser da mita-biyu kore, ja ko blue Laser zai zama manufa Laser kayan aikin machining, kayan aiki, spectroscopy, wafer dubawa, haske show, likita bincike, Laser bugu da sauran mafi tartsatsi. aikace-aikace
Abubuwan Jiki
| Yawan Atomic | ~ 1.37x1020 atom/cm3 |
| Tsarin Crystal | Zircon Tetragonal, rukunin sararin samaniya D4h |
| a=b=7.12, c=6.29 | |
| Yawan yawa | 4.22 g/cm3 |
| Mohs Hardness | Gilashi-kamar, ~5 |
| Thermal Expansion Coefficient | a=4.43x10-6/K, c=11.37x10-6/K |
Kayayyakin gani
(yawanci don 1.1 atm% Nd:YVO4, lu'ulu'u da aka yanke)
| Tsawon Tsayin Layin | 914nm, 1064nm, 1342nm |
| Thermal Optical Coefficient | dna/dT=8.5x10-6/K, dnc/dT=3.0x10-6/K |
| Sashin Giciye Mai Ƙarfafawa | 25.0 x 10-19 cm2@1064nm |
| Fluorescent Rayuwa | 90us @ 808nm, (50us @ 808 nm don 2atm% Nd doped) |
| Abun sha | 31.4 cm-1@808nm |
| Tsawon Sha | 0.32mm @ 808nm |
| Asarar ciki | Kasa da 0.1% cm-1@1064nm |
| Samun Bandwidth | 0.96 nm (257 GHz) @1064nm |
| Fitar Laser Polarized | p polarization, Daidai da axis na gani (c-axis) |
| Diode Pumped Optical zuwa Ingantaccen gani | > 60% |
| Matsayin Crystal | Kyakkyawan uniaxial, no=na=nb, ne=nc, babu=1.9573, ne=2.1652, @1064nm babu=1.9721, ne=2.1858, @808nm babu=2.0210, ne=2.2560, @532nm |
| Sellmeier Equation (na tsantsa YVO4 lu'ulu'u, λ in 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 | Nd doped | σ | α | τ | La | Pth | η |
| (atm%) | (x10-19cm2) | (cm-1) | (cm-1) | (mm) | (mW) | (%) | |
| Nd:YVO4 (a-cut) | 1.1 | 25 | 31.2 | 90 | 0.32 | 78 | 48.6 |
| 2 | 72.4 | 50 | 0.14 | ||||
| Nd:YVO4 (c-cut) | 1.1 | 7 | 9.2 | 90 | 231 | 45.5 | |
| Nd: YAG | 0.85 | 6 | 7.1 | 230 | 1.41 | 115 | 38.6 |
Maɓalli Maɓalli
| Ma'auni | Rage ko Haƙuri |
| Nd Matsayin Dopant | 0.1-5.0 da m% |
| Watsawa | Ba a iya gani, an yi bincike tare da Laser He-Ne |
| Hakuri da kai | ± 0.5 digiri |
| Hakuri Mai Girma | ± 0.1 mm |
| Ingancin saman (Scratch-Dig) | 10-5 |
| Share Budewa | > 90% |
| Lalacewar saman | < λ/10 @ 633 nm |
| Kuskuren Wavefront | <λ/8 @ 633 nm |
| Daidaituwa | < 10 sak |
| Kanfigareshan Fuskoki na ƙarshe | Plano/Plano |
| Asarar ciki | <0.1% cm-1 |
| Rufi | 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 |
Don ƙarin bayani akan wasu nau'in kristal kamar Crystal mara nauyi [BBO (Beta-BaB2O4), Potassium Titanium Oxide Phosphate (KTiOPO4 ko KTP)], Crystal Q-Switch Crystal [Cr: YAG (Cr4+: Y3Al5O12)], EO Crystal [ Lithium Niobate (LiNbO3), BBO crystal], Birefringent Crystal [Yttrium Orthovanadate (YVO4), Calcite, Lithium Niobate (LiNbO3), Babban Zazzabi Form BBO (α-BaB2O4), Single Roba Crystal Quartz, Magnesium Fluoride (MgF2)] zance, don Allah jin daɗin tuntuɓar mu.
