Nd:YVO4 bụ kristal ụbịa kacha arụ ọrụ nke ọma maka ịgbapụta diode n'etiti kristal laser azụmahịa ugbu a, ọkachasị, maka njupụta ike dị ala ruo etiti.Nke a bụ tumadi maka njiri ya na nrụpụta ya karịrị Nd:YAG.N'ịbụ nke laser diodes gbagoro, Nd: YVO4 kristal ejirila kristal ọnụọgụ ọnụọgụ NLO dị elu (LBO, BBO, ma ọ bụ KTP) were mee mgbanwe ugboro ugboro-gbanwee mmepụta site na infrared dị nso gaa na akwụkwọ ndụ akwụkwọ ndụ, acha anụnụ anụnụ, ma ọ bụ ọbụna UV.Nke a incorporation iji wuo niile siri ike steeti lasers bụ ezigbo laser ngwá ọrụ nwere ike ikpuchi kasị ebe nile ngwa nke lasers, gụnyere machining, ihe nhazi ihe, spectroscopy, wafer nnyocha, ìhè ngosi, ọgwụ diagnostics, laser obibi, na data nchekwa, wdg Ọ. egosila na Nd: YVO4 based diode pumped solid state lasers na-eji ngwa ngwa na-ebi n'ahịa ndị a na-ejikarị ion lasers nke mmiri jụrụ oyi na oriọna na-agbapụta ọkụ, karịsịa mgbe a na-achọ nhazi nhazi na otu-longitudinal-mode mmepụta.
Nd:Uru YVO4 karịa Nd:YAG:
• Dị ka elu dị ka ugboro ise ibu absorption ịrụ ọrụ nke ọma n'elu a mbara mgbapụta bandwit gburugburu 808 nm (ya mere, na-adabere na mgbapụta wavelength bụ nnọọ ala na a ike ọchịchọ nke otu mode mmepụta);
• N'ihe dị ka okpukpu atọ na-akpalite emission cross-ngalaba na lasing wavelength nke 1064nm;
• Ọnụ ụzọ lasing dị ala na arụmọrụ mkpọda dị elu;
• Dị ka kristal uniaxial nwere nnukwu birefringence, ihe na-esi na ya bụ naanị polarized linearly.
Njirimara Laser nke Nd:YVO4:
• Otu àgwà kachasị mma nke Nd: YVO4 bụ, ma e jiri ya tụnyere Nd: YAG, ọnụọgụ absorption nke ugboro ise ya dị ukwuu na bandwit absorption buru ibu gburugburu 808nm peak pump wavelength, nke dabara na ọkọlọtọ nke diodes laser dị elu dị ugbu a.Nke a pụtara kristal pere mpe nke enwere ike iji maka laser, na-eduga n'usoro laser kọmpat karịa.Maka ike nrụpụta enyere, nke a pụtakwara ọkwa dị ala nke laser diode na-arụ ọrụ, si otú a na-agbatị ndụ nke diode laser dị oke ọnụ.Ogologo mmịpụta sara mbara nke Nd:YVO4 nke nwere ike iru 2.4 ruo 6.3 ugboro nke Nd: YAG.E wezụga ịgbapụta mmiri nke ọma karị, ọ pụtakwara ọtụtụ nhọrọ nke nkọwa diode.Nke a ga-enyere ndị na-emepụta laser aka maka ohere zuru oke maka nhọrọ ọnụ ala dị ala.
• Nd:YVO4 kristal nwere akụkụ obe na-akpali akpali, ma na 1064nm na 1342nm.Mgbe a-axis bee Nd: YVO4 crystal lasing na 1064m, ọ bụ ihe dị ka 4 ugboro elu karịa nke Nd: YAG, ebe na 1340nm mkpali cross-ngalaba bụ 18 ugboro ibu, nke na-eduga na a CW ọrụ kpamkpam outperforming Nd: YAG. na 1320nm.Ndị a na-eme ka Nd:YVO4 laser dị mfe iji nọgide na-enwe ikuku otu ahịrị siri ike n'ogo abụọ.
• Àgwà ọzọ dị mkpa nke Nd: YVO4 lasers bụ, n'ihi na ọ bụ uniaxial kama ịbụ akara ngosi dị elu nke cubic dị ka Nd: YAG, ọ na-ewepụta naanị laser linearly polarized laser, si otú a na-ezere mmetụta birefringent na-achọghị na ntụgharị ugboro ugboro.Ọ bụ ezie na ndụ nke Nd: YVO4 dị ihe dị ka ugboro 2.7 dị mkpụmkpụ karịa nke Nd: YAG, arụmọrụ mkpọda ya nwere ike ịdị elu maka nhazi nke oghere laser kwesịrị ekwesị, n'ihi arụmọrụ ya dị elu.
Njupụta Atọmk | 1.26×1020 atọm/cm3 (Nd1.0%) |
Ọdịdị kristal Sell Parameter | Zircon Tetragonal, otu oghere D4h-I4/amd a=b=7.1193Å,c=6.2892Å |
Njupụta | 4.22g / cm3 |
Mohs ike | 4-5 (dị ka iko) |
Ọnụego Mgbasawanye okpomọkụ(300K) | α=4.43×10-6/K αc=11.37×10-6/K |
Ọnụọgụ Conductivity Thermal(300K) | ∥C:0.0523W/cm/K ⊥C:0.0510W/cm/K |
Ogologo wavele ogologo | 1064nm,1342 nm |
Ọnụọgụ ngwa anya thermal(300K) | dno/dT=8.5×10-6/K dne/dT=2.9×10-6/K |
Ngalaba ngafe na-akpali akpali | 25×10-19cm2 @ 1064nm |
Fluorescent ndụ | 90μs(1%) |
Ọnụọgụ absorption | 31.4cm-1 @810nm |
Mfu dị n'ime | 0.02cm-1 @1064nm |
Nweta bandwit | 0.96nm @ 1064nm |
Mgbapụta laser nke polarized | polarization;yiri axis anya (c-axis) |
Diode gbanyere ngwa anya ka ọ rụọ ọrụ ngwa anya | > 60% |
Nka nka:
Chamfer | <λ/4 @ 633nm |
Nkwenye akụkụ | (W±0.1mm) x (H±0.1mm) x (L+0.2/-0.1mm)(L.2.5mm)(W±0.1mm) x (H±0.1mm) x (L+0.5/-0.1mm)(L>2.5mm) |
Kpochapụ oghere | Central 95% |
Ịdị nro | λ/8 @ 633 nm, λ/4 @ 633nm(akara na-erughị 2mm) |
Ogo elu | 10/5 Scratch/gwuo kwa MIL-O-1380A |
Myirịta | mma karịa 20 arc sekọnd |
Perpendicularity | Perpendicularity |
Chamfer | 0.15x45d |
Mkpuchi | 1064nm,R.0.2%;mkpuchi HR:1064nm,R>99.8%,808nm,T>95% |