Erbium doped phosphate glasses for lamp pump
Classification:
Laser output at 1535 nm can be realized in erbium doped phosphate glass.
Cotnact：
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.
Cr14: Erbium phosphate glass for xenon lamp pumping laser device and laser range-finder
CrE5: CrE5 is for large energy output application. The glass rod of CrE5 can work safely at 1Hz repetition after surface strengthen treatment at over 10J output level.
Parameter
| Cr14 | CrE5 | |
| 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℃) |
1.530 1.539 64 -5.2 |
1.533 1.541 63.6 -6.8 |
| 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) |
455 493 103 127 3.6 0.70 |
476 519 80.5 - 87 0.80 |
| Other Specifications | ||
|
Density(g/cm3) Chemical durability (weigh loss rate at 100ºC distilled water) (μg/hr.cm2) |
3.10 103 - |
2.95 - - |
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Erbium doped phosphate glasses for lamp pump
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