Nd:YVO4
Nd:Ikristalu ye-YVO4 ingenye yekristalu ye-laser host esebenza kahle kakhulu ekhona njengamanje yama-laser esimo esiqinile ampontshwa nge-diode.Ingxenye yayo enkulu yokukhishwa okuvuselelwe ku-lasing wavelength, i-coefficient yokumuncwa okuphezulu kanye nomkhawulokudonsa obanzi wokumunca ku-pump wavelength, umkhawulo wokulimala owenziwe nge-laser kanye nezakhiwo ezinhle zomzimba, ezibonakalayo nezomshini kwenza i-Nd:YVO4 ibe yikristalu enhle kakhulu yamandla aphezulu, azinzile futhi I-diode esebenza ngempumelelo epompa ama-laser wesimo esiqinile.
Izici Nezicelo
★ Umkhawulo ophansi we-lasing kanye nokusebenza kahle kwe-slope ephezulu
★ Ukuncika okuphansi kubude begagasi bepompo
★ Isigaba esiphambanayo sokukhipha isisu esithuthukisiwe ku-lasing wavelength
★ Ukumuncwa okuphezulu phezu komkhawulokudonsa obanzi wokumpompa wamaza wamaza
★ Optically uniaxial futhi birefringence enkulu ikhipha laser polarized
★ Okokukhiphayo kwemodi ye-Single-longitudinal kanye nomklamo ohlangene
★ I-Diode laser-pumped Nd:YVO4 compact laser kanye ne-laser yayo ephindwe kabili kabili eluhlaza, ebomvu noma eluhlaza okwesibhakabhaka kuzoba amathuluzi e-laser afanelekile omshini, ukucubungula izinto ezibonakalayo, i-spectroscopy, ukuhlolwa kwe-wafer, umbukiso okhanyayo, ukuxilonga kwezokwelapha, ukuphrinta kwe-laser nokunye okusakazeke kakhulu. izicelo
Izakhiwo Zomzimba
| Ukuminyana kwe-athomu | ~1.37x1020 ama-athomu/cm3 |
| Isakhiwo Sekristalu | I-Zircon Tetragonal, iqembu lesikhala i-D4h |
| a=b=7.12, c=6.29 | |
| Ukuminyana | 4.22 g/cm3 |
| Mohs Ukuqina | Okufana nengilazi, ~5 |
| I-Thermal Expansion Coefficient | a=4.43x10-6/K, c=11.37x10-6/K |
Izakhiwo ze-Optical
(imvamisa ku-1.1 atm% Nd:YVO4, amakristalu a-cut)
| Lasing Wavelengths | 914nm, 1064nm, 1342nm |
| I-Thermal Optical Coefficient | dna/dT=8.5x10-6/K, dnc/dT=3.0x10-6/K |
| I-Stimulated Emission Cross-Section | 25.0x10-19cm2@1064nm |
| I-Fluorescent Lifetime | 90us @808nm, (50us @808 nm ngo-2atm% Nd doped) |
| I-Absorption Coefficient | 31.4 cm-1@808nm |
| Ubude bokumuncwa | 0.32 mm @808nm |
| Ukulahlekelwa Kwangaphakathi | Ngaphansi kuka-0.1% cm-1@1064nm |
| Thola umkhawulokudonsa | 0.96 nm (257 GHz) @1064nm |
| I-Polarized Laser Emission | p polarization, Parallel to optic axis (c-eksisi) |
| I-Diode Pumped Optical to Optical Efficiency | >60% |
| I-Crystal Class | I-uniaxial enhle, 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 |
| I-Sellmeier Equation(yamakristalu e-YVO4 ahlanzekile, λ ngo-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)
| I-Laser Crystal | Nd dod | σ | α | τ | La | I-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 |
Imininingwane Ebalulekile
| Amapharamitha | Amabanga noma Ukubekezelelana |
| Izinga le-Dopant | 0.1-5.0 ku-m% |
| Ukuhlakaza | Akubonakali, kuphenywe nge-laser ye-He-Ne |
| Ukubekezelela Orientation | ± 0.5 deg |
| Ukubekezelela Dimensional | ± 0.1 mm |
| Ikhwalithi Yobuso (Scratch-Dig) | 10-5 |
| Imbobo ecacile | > 90% |
| I-Surface Flatness | < λ/10 @ 633 nm |
| Iphutha le-Wavefront | < λ/8 @ 633 nm |
| Ukufana | < 10 arcsec |
| Ukucushwa kobuso bokugcina | I-Plano / Plano |
| Ukulahlekelwa Kwangaphakathi | <0.1%cm-1 |
| Izigqoko | I-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 |
Ukuze uthole ulwazi olwengeziwe ngolunye uhlobo lwekristalu njenge-Nonlinear Crystal [BBO (Beta-BaB2O4), i-Potassium Titanium Oxide Phosphate (KTiOPO4 noma i-KTP)], i-Passive Q-Switch Crystal [Cr: YAG (Cr4+:Y3Al5O12)], i-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) a quote, sicela ukhululeke ukuxhumana nathi.
