Nanjing Crylink Photonics Co.,Ltd
Growing crystal, Lingling Value.
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| EAT14 | WM4 | |
| Cross section for stimulated emission (10-20cm2) | 0.8 | 0.75 |
| Fluorescent lifetime (ms)* | 7.7-8.0 | 7.7-8.2 |
| Center lasing wavelength (nm) | 1535 | 1535 |
Optical Properties
| EAT14 | WM4 | |
| Refractive index (1535nm) | 1.524 | 1.528 |
| Refractive index (d 589.3nm) | 1.532 | 1.536 |
| Abbe value | 66 | 66 |
| dn/dT (10-6/℃) (20~100℃) | -1.72 | -3 |
Thermal Specifications
| EAT14 | WM4 | |
| Transformation temp. (℃) | 556 | 530 |
| Softening temp. (℃) | 605 | 573 |
| Coeff.of linear thermal expansion (10-7/K) (20~100℃) | 87 | 82 |
| Coeff.of linear thermal expansion (10-7/K) (100~300℃) | 95 | 96 |
| Thermal Coeff.of optical path length (10-6/K) (20~100℃) | 2.9 | 1.4 |
| Thermal conductivity (25℃) (W/mK) | 0.7 | 0.7 |
Other Specifications
| EAT14 | WM4 | |
| Density (g/cm3) | 3.06 | 2.83 |
| Chemical durability (weigh loss rate at 100℃ distilled water) (g/hr.cm2) | 52 | 82 |
Polishing Specification
| Orientation Tolerance | < 0.5° |
| Thickness/Diameter Tolerance | ±0.05 mm |
| Surface Flatness | </8@632 nm |
| Wavefront Distortion | </4@632 nm |
Spectra
