Good Quality Erbium Laser - 1535nm Er,Yb phosphate glass – Erbium

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Good Quality Erbium Laser - 1535nm Er,Yb phosphate glass – Erbium Detail:

Parameters

Type#	EG-102
Wavelength of laser	1535nm
Concentrations	0.25cm³～1.3cm³
Cross section for stimulated emission (10 -20 cm 2 )	0.8
Fluorescent lifetime (ms)	9.4-9.8
Laser Parameters
Cross section for stimulated emission (10 -20 cm 2 )	0.8
Fluorescent lifetime (ms)	9.4-9.8
Center lasing wavelength (nm)	1535
Optical Parameters
Refractive index （ 1535nm ）	1.56
Refractive index (d 589.3nm)	1.53
Abbe value	66
dn/dT (10 -6 /ºC) (20~100ºC)	-3
Thermal Parameters
Transformation temp. (ºC)	520
Softening temp. (ºC)	565
Thermal conductivity (25ºC) (W/m. K)	0.75
Coeff. of linear thermal expansion (10 -7 /K)	60
Thermal Coeff. Of optical path length(10 -6/K)	1.2
Other Parameters
Density (g/cm 3 )	3
Chemical durability (weigh loss rate at 100ºC distilled water) (μg/hr.cm 2 )	1.536
Polishing Specifications
Orientation Tolerance	0.5º
Thickness/Diameter Tolerance	±0.05mm
Surface Flatness	＜λ/8@632nm
Wavefront Distortion	＜λ/4@632nm
Surface Quality	10-5
Parallel	10″
Perpendicular	15′
Clear Aperture	>90%
Chamfer	<0.1×45º
Maximum dimensions	dia(3-12.7) (3-150)mm²

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Erbium Laser