Anisotropy of laser emission in monoclinic Nd:ScYSiO5 crystals cut along the optical indicatrix axes
1 College of Electronic, Communication and Physics, Shandong University of Science and Technology, Qingdao 266590, China
2 Shanghai Institute of Ceramics, Chinese Academy of Science, Shanghai 200050, China
3 State Key Laboratory of Crystal Materials, Shandong University, Ji’nan 250100, China
Figures & Tables
Fig. 1. Schematic arrangement of the experimental laser setup.
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Fig. 2. Relationships between the principal axes (X,Y,Z) and the crystallographic axes (a,b,c): βaY=24.5° and βcZ=11.8°.
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Fig. 3. Room temperature absorption spectra for the X-, Y-, and Z-cut Nd:SYSO crystals.
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Fig. 4. Polarized emission cross-section spectra for the X-, Y-, and Z-cut Nd:SYSO crystals.
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Fig. 5. Average output power with respect to the absorbed pump power.
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Fig. 6. Laser spectra of Nd:SYSO crystals obtained with different conditions.
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Table1. Polarized Emission Cross Section for F3/24→4I11/2 Transition Around 1.08 μm
| Peak Wavelength (nm) | XPolarization () | YPolarization () | ZPolarization () |
|---|
| 1074.2 | 9.98 | 10.00 | 9.25 | | 1077.3 | 10.46 | 8.76 | 9.37 |
|
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Table2. Laser Performance of Nd:SYSO Crystals With Different Orientations
| Transmittance (%) | Crystal Orientation | Pump Threshold (W) | Max. Output () | Slope Efficiency(%) |
|---|
| 5 | X | 0.76 | 7.07 | 53.6 | | Y | 0.43 | 9.43 | 51.3 | | Z | 0.53 | 8.43 | 55.9 | | 10 | X | 1.14 | 6.86 | 53.3 | | Y | 0.55 | 9.30 | 51.3 | | Z | 0.55 | 8.34 | 55.9 | | 40 | X | 4.41 | 3.05 | 32.6 | | Y | 2.69 | 5.35 | 33.3 | | Z | 2.67 | 5.29 | 39.3 |
|
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Shande Liu, Lihe Zheng, Jun Xu, Yuping Zhang, Huiyun Zhang, Dehua Li, Tingqi Ren, Baitao Zhang, Jingliang He. Anisotropy of laser emission in monoclinic Nd:ScYSiO5 crystals cut along the optical indicatrix axes[J]. Chinese Optics Letters, 2016, 14(2): 021406.
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