High Quality Erbium-Doped Lasers – Er, Cr, Yb: phosphate glass – Erbium

Type#

EG-101

Wavelength of laser

1535nm

Concentrations

0.13cm³～0.25cm³

Cross section for stimulated emission (10 -20 cm 2 )

0.8

Fluorescent lifetime (ms)

8.3-8.6

Laser Parameters

Cross section for stimulated emission (10 -20 cm² )

0.8

Fluorescent lifetime (ms)

8.3-8.6

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)

-1.72

Thermal Parameters

Transformation temp. (ºC)

480

Softening temp. (ºC)

520

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)

2.9

Other Parameters

Density (g/cm³ )

3

Chemical durability (weigh loss rate at 100ºC distilled water) (μg/hr.cm² )

1.532

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