Nd:Glass N31
Nd doped phosphate glass have been widely used in high average power laser solid state lasers，laser material processing, range finder and other industrial and scientific applications。 Optoaxis mainly offers Nd 3+ doped phosphate glasses (N31). Optoaxis Nd 3+ phosphate glasses are guaranteed in optical qualities such as homogeneity, striation, stress birefringence, Pt inclusions etc. The different neodymium doping phosphate glasses are ready for your quest. We have stocked 0.7%, 3.0%, and 4.0% doped N31
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Overview
Specifications
| Parameter | Value |
|---|---|
| Nd 2 O 3 | 2.2 wt% |
| Nd 3+ conc. (10 20 ions/cm 3 ) | 2.26 10 20 ions/cm 3 |
| Cross section for stimulated emission(10 -20 cm 2 ) | 4.0±0.3 10 -20 cm 2 |
| Lifetime | 340±10 usec |
| Fluorescence half-line width at 290ºK | 201 Å |
| Center lasing wavelength | 1059 nm |
| Non-linear refractive index coeff.n 2 | 1.1±0.1 ×10 －13 e.s.u |
| n（1053nm） | 1.5280 |
| n d | 1.5357 |
| n F | 1.5413 |
| n c | 1.5332 |
| Abbe value | 66.2 |
| dn/dT (10 -6 /ºC) （20~100ºC） | -4.3 10 -6 /ºC |
| Coeff.of linear thermal expansion (10 -6 /ºC)（20~100ºC） | 10.7 10 -6 /ºC |
| Thermal coeff. (10 -6 /ºC) （20~100ºC） | 1.4 10 -6 /ºC |
| Transformation temp. | 430 ºC |
| Softening temp. | 475 ºC |
| Coeff.of linear thermal expansion (10 -6 /ºC) (100~TgºC) | 12.7 10 -6 /ºC |
| Thermal conductivity (25ºC) | 5.58 10 -3 W/cmºC |
| Specific heat ( 25ºC) | 0.75 J/cm 3 ºC |
| D w (H2O 100ºC 1hr) | 0.09 wt. Loss% |
| D A (HNO 3 pH2.2 100ºC 1hr) | 0.40 wt. loss% |
| Density | 2.83 g/cm3 |
| Young's modulus (kgf/mm 2 ) | 5270 kgf/mm 2 |
| Posson's ratio | 0.27 |
| Knoop hardness (kg/cm 2 ) | 630 kg/cm 2 |
Datasheet
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