Yb: YAP
Yb:YAP Chemical formula is Yb:YAlO3,Yttrium orthoaluminate activated with Yb3+ ions doped. It is mostly used in diode pumped high-power ultrafast lasers and the emission spectrum is around 1 um, also it’s scintillators. Yb:YAP is a Infra-red laser crystal, as a result of high threshold of pump, Yb:YAP has a widly used in application. In the continuous-wave state, the upper output power could be generated using the b-cut and c-cut Yb:YAP, and the output power of a-cut is lower. Due to the broad emission bandwidth and high thermal conductivity, Yb:YAP crystal is a gread laser for high power laser operation in CW and plsed regimes.
Yb:YAP crystal–diode pumped high-power ultrafast lasers
Yb:YAP crystal is a potentially useful polarized laser gain medium in laser-diode-pumped solid-state configurations. Yb:YAP crystals is used in large avalanche photodiodes, as the best photosensors are appearanced to be hopeful for future applications in neutrino physics.
Parameter
| Orientation | a-cut |
| Clear Aperture | >90% |
| Face Dimensions Tolerance | +0/-0,1 mm |
| Length Tolerance | ±0,1 mm |
| Parallelism Error | <10 arcsec |
| Perpendicularity Error | <10 arcmin |
| Protective Chamfers | <0,1 mm at 45˚ |
| Surface Quality | 10-5 S-D |
| Surface Flatness | <λ/10@632,8nm |
| Coatings | AR(R<0,25%)@978 nm + AR(R<0,15%) @1020-1070 nm on both sides |
| Laser Induced Damage Threshold | >10 J/cm2@1030 nm, 10 ns 0 nm, 10 ns 1030 nm, 10 ns |
| Absorption Peak Wavelength | 978 nm |
| Absorption Cross-Section at Peak | 6.6×10-20cm2 |
| Absorption Bandwidth at Peak Wavelength | 4 nm |
| Laser Wavelength | 1040 nm |
| Lifetime of 2F5/2 Energy Level | 500 us |
| Emission Cross-section @1040 nm | 0.5×10-20cm2 |
| Refractive Index @632.8 nm | 1.96 (//a), 1.94 (//b), 1.97 (//c) |
| Crystal Structure | orthorhombic |
| Density | 5.35 g/cm3 |
| Mohs Hardness | 8.5 |
| Thermal Conductivity | 11.7 (//a), 10.0 (//b), 13.3 (//c) W/m*K |
| dn/dT | 7.7×10-6(//a)K-1,11.7×10-6(//b)K-1 |
| 8.3×10-6(//c)K-1 | |
| Thermal Expansion Coefficient | 2.32×10-6(//a)K-1,8.08×10-6(//b)K-1 |
| 8.7×10-6(//c)K-1 | |
| Typical Doping Level | <2 at.% |
Yb：YAP crystal absorption emission curve
- Emission spectrum around 1 um.
- Infra-red
- Solid-state laser
- High power continuous-wave
- Neutrino detection
- Photosensors
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| Comparison of spectroscopic parameters of 15 at% Yb: YAlO3 and 15 at% Yb: Y3Al5O12 Journal of Crystal Growth 274 (2005) 106–112 |
| Cooperative and charge transfer luminescence in Yb3+-doped yttrium aluminum perovskite (YAlO3 ) Journal of Crystal Growth 289 (2006) 676–680 |
| Crystal growth and luminescence properties of Yb-doped aluminate, gallate, phosphate and vanadate single crystals Nuclear Instruments and Methods in Physics Research A 537 (2005) 76–80 |
| Effects of Yb concentration on the fluorescence spectra of Yb-doped YAlO3 single crystals Spectrochimica Acta Part A 65 (2006) 184–186 |
| Growth and spectroscopic investigations of Yb,Ho: YAP and Yb,Ho,Pr:YAP laser crystals Journal of Luminescence 158 (2015) 215–219 |
| Properties of Yb-doped scintillators: YAG, YAP, LuAG Nuclear Instruments and Methods in Physics Research A 516 (2004) 58–67 |
| Single Crystals of YAP:Yb for Ultra Short Pulse Lasers ISSN 1068-3372, Journal of Contemporary Physics, 2020, Vol. 55, No. 2, pp. 131–136 |
| Spectroscopy and femtosecond laser performance of Yb3+:YAlO3 crystal OCIS codes: 140.3380, 140.3480, 140.3615, 140.4050, 140.5680. |
| The temperature gradient technique (TGT) growth and optical properties of Yb-doped YAlO3 single crystal Journal of Crystal Growth 280 (2005) 483–489 |
| Thermoluminescence Properties of Doped YAP Crystals Advanced Materials Research Vol 1104 (2015) pp 143-148 |
| Very fast YbxY1ÀxAlO3 single-crystal scintillators Appl. Phys. Lett., Vol. 84, No. 6, 9 February 2004 |
