Er:Glass
Wavelength: 1535nm. Density: 2.9g/cm3. Softening point: 426°C. Perpendicularity: ≤2'. Parallelism: ≤5". Surface quality: ≥10-5. Flatness: ≥λ\\10. The 1535nm laser is eye-safe, transmits well through smoke, fog, and haze, has extremely low transmission loss in silica fibers, and is easy to detect, with a broad market for military and civilian applications. It has a high stimulated-emission cross section, low fluorescence quenching, and excellent thermal and mechanical properties. Basic Properties Maximum emission wavelength (lm) | 1535.861nm Fluorescence half-width (Dl) | 29.9nm Fluorescence lifetime (t) | >8.1ms Absorption at the emission wavelength | <0.002cm-1 Free-running threshold Eth | <7.3J Free-running slope efficiency | >1.6% Output with 12J input in Q-switched operation | >20mJ Maximum emission wavelength (lm) | 1535.861nm Density | 2.9g/cm3 Hardness | 441Kg/mm2 Thermal expansion coefficient over 50-100°C | 137×10-7 Softening point | 426°C Stimulated-emission cross section | 0.8~1×10-20cm2 Perpendicularity (⊥) | ≤2' Parallelism (∥) | ≤5" Surface roughness or surface quality | ≥10-5 Flatness | ≥λ\\10 Standard Doping Type | Er 3+ | Yb 3+ | Cr 3+ Er:Yb:Cr:Glass | 0.16x10^20/cm3 | 12.3x10^20/cm3 | 0.129x10^20/cm3 Er:Yb:Cr:Glass | 1.27x10^19/cm3 | 1.48x10^21/cm3 | 1.22x10^19/cm3 Er:Yb:Cr:Glass | 4x10^18/cm3 | 1.2x10^19/cm3 | 4x10^18/cm3 Er:Yb:Glass | 1.3x10^20/cm3 | 10x10^20/cm3 |
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