Active Member
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[China]
Address: No.200, Zgaoxian Road, Jiading Zone, Shanghai, China
Contact name:sales
Nanjing Crylink Photonics Co.,Ltd |
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Stimulated emission cross section
Narrow fluorescence line
High pump efficiency
Short fluorescence lifetime
Low oscillation threshold
Using Glass
WM4: Erbium phosphate glass for ion-exchange purpose;
EAT14: Yb3+, Er3+ co-doped phosphate glass, which is applicable in high repetition rate(1-6Hz) laser diode pumped 1535 laser. High Yb3+ doping can be realized in this EAT14 glass.
@1550nm: Fiber has minimum dispersion and small loss |
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LD pumped solid-state laser |
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Eye-safe Laser Rangefinder Direct output 1.54μm human eye laser, suitable for handheld or vehicle laser rangefinder |
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| Properties | EAT14 | WM4 |
| Laser Specifications | ||
| 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 Specifications | ||
| 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 | ||
| 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 | ||
| Density (g/cm3) | 3.06 | 2.83 |
| Chemical durability (weigh loss rate at 100℃ distilled water) (μg/hr.cm2) | 52 | 82 |
