Er,Yb-doped glass exhibits remarkable properties, enabling the emission of a 1535nm laser that is not only safe to human eyes but also effortlessly detectable. It also supports high-frequency operation and the generation of high-power outputs. The simplicity of the system design contributes to its easy maintenance, further enhancing its practical appeal.
Laser ranging
Laser radar
Target designation
Optical fiber communication
Environmental sensing and monitoring
SPECIFICATION | ||
Size | Diameter:3~12.7mm,Length:3~150mm | |
Dimension tolerance | ±0.05 mm | |
Flatness | <λ/8@632 nm | |
Wavefront distortion | <λ/4@632 nm | |
surface quality | 10/5 | |
Parallelism | 10〞 | |
Perpendicularity | 15 ' | |
Clear aperture | >90% | |
Chamfer | <0.1×45° | |
PHYSICAL AND CHEMICAL PROPERTIES | |||
Model | #1 | #2 | |
The cross section of stimulated emission (10-500px2 ) | 0.8 | 0.75 | |
Fluorescence lifetime (ms) | 7.7-8.0 | 7.7-8.2 | |
Wavelength (nm) | 1535 | 1535 | |
Transition temperature (℃) | 1.524 | 1.528 | |
Softening temperature (℃) | 1.532 | 1.536 | |
Linear thermal expansion coefficient (10-7/K) (20 ~ 100 ℃) | 556 | 530 | |
Linear thermal expansion coefficient (10-7/K) (100 ~ 300 ℃) | 605 | 573 | |
Thermal coefficient of Optical path length (10-6/K)(20~100℃) | 87 | 82 | |
Thermal conductivity coefficient (25 ℃) (W/mK) | 95 | 96 | |
Density (g/cm3) | 3.06 | 2.83 | |
Chemical durability | 52 | 82 | |