Best quality Agse - Co:Spinel Crystals – Dien


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Best quality Agse - Co:Spinel Crystals – Dien Detail:

Passive Q-switches or saturable absorbers generate high power laser pulses without the use of electro-optic Q-switches, thereby reducing the package size and eliminating a high voltage power supply. Co2+:MgAl2O4 is a relatively new material for passive Q-switching in lasers emitting from 1.2 to 1.6μm, in particular, for eye-safe 1.54μm Er:glass laser, but also works at 1.44μm and 1.34μm laser wavelengths. Spinel is a hard, stable crystal that polishes well. Cobalt substitutes readily for magnesium in the Spinel host without the need for additional charge compensation ions. High absorption cross section (3.5×10-19 cm2) permits Q-switching of Er:glass laser without intracavity focusing both with flash-lamp and diode laser pumping. Negligible excited-state absorption results in high contrast ratio of Q-switch, i.e. the ratio of initial (small signal) to saturated absorption is higher than 10.


Features

•  Suitable for 1540 nm eye-safe lasers
•  High absorption section
•  Negligible excited state absorption
•  High optical quality
•  Uniformly distributed Co


Applications

•  Eye-safe 1540 nm Er:glass laser
•  1440 nm laser
•  1340 nm laser
•  Eye-safe laser range finder


Basic Properties

Chemical formula Co2+:MgAl2O4
Crystal structure Cubic
Lattice parameters 8.07Å
Density 3.62 g/cm3
Melting Point 2105°C
Refractive Index n=1.6948 @1.54 µm
Thermal Conductivity /(W·cm-1·K-1@25°C) 0.033W
Specific Heat/ (J·g-1·K-1) 1.046
Thermal Expansion /(10-6 /°C@25°C ) 5.9
Hardness (Mohs) 8.2
Extinction Ratio 25dB
Orientation [100] or [111] < ±0.5°
Optical density 0.1-0.9
Damage Threshold >500 MW/cm2
Doping concentration of Co2+ 0.01-0.3 atm%
Absorption coefficient 0 ~ 7 cm-1
Working wavelength 1200 – 1600 nm
Coatings AR/AR@1540,R<0.2%; AR/AR@1340,R<0.2%


Technical Parameters

Orientation Tolerence < 0.5°
Thickness/Diameter Tolerance ±0.05 mm
Surface Flatness <λ/8@632 nm
Wavefront Distortion <λ/4@632 nm
Surface Quality 10/5
Parallel 10〞
Perpendicular
Clear Aperture >90%
Chamfer <0.1×45°
Maximum dimensions Dia(3-15)×(3-50)mm

Product detail pictures:

Best quality Agse - Co:Spinel Crystals – Dien detail pictures

Best quality Agse - Co:Spinel Crystals – Dien detail pictures


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We stay with the basic principle of "quality initially, services first, steady improvement and innovation to fulfill the customers" for your management and "zero defect, zero complaints" as the quality objective. To perfect our company, we give the goods while using the good high-quality at the reasonable selling price for Best quality Agse - Co:Spinel Crystals – Dien , The product will supply to all over the world, such as: Kazakhstan, Palestine, Croatia, We attained ISO9001 which provides solid foundation for our further development. Persisting in "High quality, Prompt Delivery, Competitive Price", we have established long-term cooperation with clients from both overseas and domestically and get new and old clients' high comments. It is our great honor to meet your demands. We are sincerely expecting your attention.
In our cooperated wholesalers, this company has the best quality and reasonable price, they are our first choice.
5 Stars By Roland Jacka from Colombia - 2018.09.23 18:44
We feel easy to cooperate with this company, the supplier is very responsible, thanks.There will be more in-depth cooperation.
5 Stars By Julie from Swedish - 2017.08.21 14:13