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| Matrix properties |
| Mean dislocation density, cm-2 | 100 |
| Molecular weight | 375,82 |
| Syngony | monoclinic |
| Class of symmetry | 2m-c2k6 |
| Spatial group | C2/C1 |
| Elementary cell parameters, Å | a=7.5356 |
| b=7.3476 |
| c=7.4387 |
| Density, g/cm3 | 6.061 |
| Microsolidity, kg/mm2 a,b,c | 890,890,810 |
| Melting point, °C | 1361 |
| Axial characteristic | biaxial |
| Refraction indeces | nx= 1.9641 |
| ny= 1.9974 |
| nz=2.0348 |
| Moh's hardness | 6.5 |
| Characteristics |
| Nd3+ concentration, at % | 1-5 |
| Wavelength of oscillation, μm | 1.07-1.08 |
| Transition cross-section, cm2 | 1.5*10-19 |
| Absorption loss on λ=1060 nm, cm-1 | 0.004 |
| Oscillation boundaries depending on Nd3+ concentration and orientation, J
(lasing thresholds as a function of Nd3+ concentration and orientation, J)
| 3-12 |
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Single-crystals of La2Be2O5:Nd3+ are highly effective material for solid-state lasers oscillating at the wavelength of 1.07-1.08 mm. Energetic characteristics of a lanthanum-beryllate laser are twice greater as those of an yttrium-aluminium garnet (Y3Al5O12:Nd3+) laser and are not inferior to those of a GSGG (Gd3Sc2Ga3O12:Cr3+,Nd3+) laser. It operates well in the mode of picosecond pulses at a pulse duration of 3-5 psec with an efficiency several times higher as that of YAG.
Specification of rods
1. Rods with round cross— sections are manufactured.
2. Sizes and processing:
- Diameter tolerance +/-0.1 mm
- Length tolerance +/-0.5 mm
- End faces are unparallel 10"
- Surface quality 10-5 scratch-dig
- Flatness ë/10
- Orientation tolerance <5°
3.Rod's orientation x,y,z
- Diameter,mm 4-12
- Length,mm 50-100
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