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Erbium Doped Phosphate Glasses For LD Pump

Erbium Doped Phosphate Glasses For LD Pump

Phosphate glass doped with Er3+ and Yb3+ has wider wavelength tuning, lower RIN and narrower laser line width, higher conversion efficiency and a very wide pumping band, it is an ideal material for making optical waveguide amplifiers and lasers. Laser output at 1535nm can be realized in it.

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Product Details


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◇  Stimulated emission cross section

  Narrow fluorescence line

  High pump efficiency

  Short fluorescence lifetime

  Low oscillation threshold


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  WM4: Erbium phosphate glass for ion-exchange purpose;

  EAT14: Yb3+, Er3+ co-doped phosphate glass, which is applicable in high repetition rate(1-6Hz) laser diode pumped 1535 laser. High Yb3+ doping can be realized in this EAT14 glass.


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                              Waveguide amplifier


@1550nm: Fiber has minimum dispersion and small loss 


 

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                     LD pumped solid-state laser

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Eye-safe Laser Rangefinder

Direct output 1.54μm human eye laser, suitable for handheld or vehicle laser rangefinder


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Quartz


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Muffle furnace

》More information about Equipments


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High purity phosphate raw material pur-ification technology

Semi-continuous melting process tech-nology

Laser glass cladding technology

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Reactive atmosphere removal process

》More information about Crystal Growth


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High level dust-free clean room 

(1000) grade)


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2-sides polishing equipments

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AFM


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Interferometer

》More information about Polishing


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Properties
EAT14WM4
Laser Specifications
Cross section for stimulated emission (10-20cm2)0.80.75
Fluorescent lifetime (ms)*7.7-8.07.7-8.2
Center lasing wavelength (nm)1535
1535
Optical Specifications
Refractive index (1535nm)1.524
1.528
Refractive index (d 589.3nm)1.532
1.536
Abbe value66
66
dn/dT (10-6/℃) (20~100℃)-1.72-3.0
Thermal Specifications
Transformation temp. (℃)556
530
Softening temp. (℃)605
573
Coeff.of linear thermal expansion (10-7/K) (20~100℃)8782
Coeff.of linear thermal expansion (10-7/K) (100~300℃)95
96
Thermal Coeff.of optical path length (10-6/K) (20~100℃)2.9
1.4
Thermal conductivity (25℃) (W/mK)0.70
0.70
Other Specifications
Density (g/cm3)3.06
2.83
Chemical durability (weigh loss rate at 100℃ distilled water) (μg/hr.cm2)52
82


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History: 

Metalaser has engaged in crystal industry over 20 years which is one section    of Shanghai Daheng Optics and Fine Mechanics Co., Ltd held by SIOM. 

Team:     

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More than 60% of our employees are physics or material scientists from NIALT and SIOM.





》More information about our company

Alibaba Transaction History:

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We have set up a mall on the Alibaba, and there are many transaction record from all over the world.    

》Our Alibaba trade website

           

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Delivery in 3~4weeks

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Free samples can be provided

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Free ex change goods or sales return for once 

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Provides re-polished and coating

services (Coating damage only)

Note:Postage paid by the buyer

》More information about Service


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