Nd YAG
Ti a ṣe ni awọn ọgọta ọdun ti ọrundun to kọja, Nd:YAG ti wa ati tẹsiwaju lati jẹ kirisita laser ti a lo julọ fun ohun elo gara-ipinle to lagbara.Awọn paramita laser rẹ jẹ adehun ti o dara laarin awọn agbara ati ailagbara ti idije rẹ.Nd: YAG awọn kirisita ni a lo ni gbogbo awọn oriṣi ti awọn lasers-ipinle to lagbara.Ti a ṣe afiwe pẹlu awọn kirisita laser miiran, igbesi aye fluorescence rẹ jẹ ilọpo meji ju Nd:YVO4 lọ, ati adaṣe igbona tun dara julọ.
Awọn ẹya ara ẹrọ ati Awọn ohun elo
★ Ipadanu Kekere ni 1064 nm, Didara Opiti giga, Imọ-ẹrọ to dara ati Awọn ohun-ini gbona
★ Gain Gain, Low Ala, Ga ṣiṣe
★ Nitori imudọgba onigun ati didara giga, Nd: YAG rọrun lati ṣiṣẹ pẹlu ipo TEM00
★ Ṣe agbejade laser buluu pẹlu igbohunsafẹfẹ-ilọpo meji ti 946nm
★ Jẹ Q-switched pẹlu Cr: YAG taara
★ Wa ni ṣiṣẹ ni kan gan ga agbara lesa soke si KW ipele
Ti ara Properties
| Ilana kemikali | Nd:Y3Al5O12 |
| Crystal Be | Onigun |
| Lattice Constant | 12.01 |
| Ifojusi | ~ 1.2 x 1020 cm-3 |
| Ojuami Iyo | Ọdun 1970 ℃ |
| iwuwo | 4,56 g / cm3 |
| Mohs Lile | 8.5 |
| Atọka Refractive | 1.82 |
| Gbona Conductivity | 14 W/m/K @20℃, 10.5 W/m/K @100℃ |
| Gbona Imugboroosi olùsọdipúpọ | 7.8 x 10-6/K [111], 0-250℃ |
Optical Properties
| Pump Wefulenti | 807.5nm |
| Lasing Wavelengths | 1064nm |
| Photon Agbara | 1.86x10-19J @ 1064nm |
| Ifiranṣẹ Itujade Cross-Apakan | 2.8x10-19 cm2 |
| Radiative s'aiye | 550us |
| Lẹẹkọkan Fluorescence | 230 wa |
| Àdánù olùsọdipúpọ | 0.003cm-1 @ 1064nm |
| Absorption Band ni Pump Wavelength | 1nm |
| Iwọn ila | 0.6nm |
| Ijadejade Polarized | Ailopin |
| Gbona Birefringence | Ga |
Awọn pato bọtini
| Awọn paramita | Awọn sakani tabi Tolerances |
| Nd Dopant Ipele | 0.5-1.1 ni m% |
| Iṣalaye | <111> itọnisọna kirisita (± 0.5 deg) |
| Awọn ifarada Dimensions | Iwọn ila opin: ± 0.05 mm |
| Ipari: ± 0.5 mm | |
| Didara Dada (Scratch - Ma wà) | 10 - 5 |
| Ko Iho | > 90% |
| Dada Flatness | <λ/10 @ 633 nm |
| Aṣiṣe Wavefront | <λ/8 @ 633 nm |
| Iparapọ | < 10 aaki |
| Perpendicularity | < 5 arcmin |
| Chamfer | <0.1 mm x 45° |
| Aso AR | R <0.25% @1064 nm fun dada Ibajẹ iloro lori 750 MW/cm2 @ 1064nm,10 ns ati 10 Hz |
| Aso HR | Standard R> 99.8%@1064nm, R<5%@808nm Awọn ideri miiran wa fun ibeere rẹ |
A tun pese awọn grooved Nd: YAG lesa ọpá, eyi ti o le mu awọn didara ti awọn tan ina, din gbona ipa, ki o si mu awọn ṣiṣe ti grooved ọpá nipa 10-20%.
Fun alaye diẹ sii lori iru kirisita miiran gẹgẹbi Crystal Nonlinear [BBO (Beta-BaB2O4), Potassium Titanium Oxide Phosphate (KTiOPO4 tabi KTP)], Crystal Q-Switch Passive [Cr: YAG (Cr4+: Y3Al5O12)], EO Crystal [ Lithium Niobate (LiNbO3), Crystal BBO], Crystal Birefringent [Yttrium Orthovanadate (YVO4), Calcite, Lithium Niobate (LiNbO3), Fọọmu Imudara giga BBO (α-BaB2O4), Crystal Sintetiki Nikan, Magnesium Fluoride (MgF2)] tabi gba kan ń, jọwọ lero free lati kan si wa.
