Erbium doped phosphate glasses for LD pump
Classification:
Laser output at 1535 nm can be realized in erbium doped phosphate glass.
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Details Introduction
Laser output at 1535 nm can be realized in erbium doped phosphate glass. Since this wavelength is safe for the eyes and stays in the communication window, erbium doped phosphate glass can find wide applications in communication, laser rangefinders, laser medical treatment, laser cosmetics, etc. Erbium laser glass with various doping concentrations can be produced according to the customer’s requirement.
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 1535nm laser. High Yb3+ doping can be realized in this EAT14 glass.
Parameter
| EAT14 | WM4 | |
| Laser Specifications | ||
|
Cross section for stimulated emission (10-20cm2) Fluorescent lifetime (ms)* Center lasing wavelength (nm) |
0.8 7.7-8.0 1535 |
0.8 7.7-8.2 1535 |
| Optical Specifications | ||
|
Refractive index (1535nm) Refractive index (d 589.3nm) Abbe value dn/dT (10-6/℃) (20~100℃) |
1.524 1.532 66 -1.72 |
1.528 1.536 66 -3.0 |
| Thermal Specifications | ||
|
Transformation temp.(ºC) Softening temp.(ºC) Coeff.of linear thermal expansion (10-7/K) (20~100ºC) Coeff.of linear thermal expansion (10-7/K) (100~300ºC) Thermal coeff. of optical path length (10-6/K) (20~100ºC) Thermal conductivity (25ºC) (W/m K) |
556 605 87 95 2.9 0.70 |
530 573 82 96 1.4 0.70 |
| Other Specifications | ||
|
Density(g/cm3) Chemical durability (weigh loss rate at 100ºC distilled water) (μg/hr.cm2) |
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Erbium doped phosphate glasses for LD pump
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