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Er, Yb: Glass


Er,Yb: glass can emit 1535 nm laser and has high stimulated emission cross section, low fluorescence quenching effect and excellent thermal and mechanical properties.

Classification:


Er,Yb: glass can emit 1535 nm laser and has high stimulated emission cross section, low fluorescence quenching effect and excellent thermal and mechanical properties.
1535nm laser is safe for human eyes and easy to detect. It has a very low loss in SiO2 fiber transmission and good performance in penetrating smoke, fog and haze. It is widely used in military and civil fields.
The laser made with Er:Yb:Glass has a potential of miniaturization, high frequency, high power, etc. The system is more simple, reliable and easy to maintain. 

 

APPLICATIONS

Laser ranging

Laser radar

Target designation    

Optical fiber communication

Environmental sensing and monitoring

 

Absorption Spectrum

Emission Spectrum

Specification
SizeDiameter:3~12.7mm,Length:3~150mm
Dimension tolerance±0.05 mm
Flatness<λ/8@632 nm
Wavefront distortion<λ/4@632 nm
surface quality10/5
Parallelism10〞
Perpendicularity15 '
Clear aperture>90%
Chamfer<0.1×45°

 

Physical and Chemical Properties
Model#1#2
The cross section of stimulated emission (10-20cm2 )0.80.75
Fluorescence lifetime (ms)7.7-8.07.7-8.2
Wavelength (nm)15351535
Transition temperature (℃)1.5241.528
Softening temperature (℃)1.5321.536
Linear thermal expansion coefficient (10-7/K) (20 ~ 100 ℃)556530
Linear thermal expansion coefficient (10-7/K) (100 ~ 300 ℃)605573
Thermal coefficient of Optical path length (10-6/K)(20~100℃)8782
Thermal conductivity coefficient (25 ℃) (W/mK)9596
Density (g/cm3)3.062.83
Chemical durability5282

Keywords:

YAG

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