Europe style for 200 Nm To 2300 Nm Filters - Co:Spinel Crystals – Dien

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"Control the quality by the details, show the power by quality". Our enterprise has strived to establish a remarkably efficient and stable team team and explored an effective excellent control system for Alo3 Perovskite Yap, Cvd Znse, 3-5um, We have expanded our business into Germany, Turkey, Canada, U. S. A. , Indonesia, India, Nigeria, Brazil and some other regions of the world. We are working hard to be one of the best global suppliers.

Europe style for 200 Nm To 2300 Nm Filters - 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	5ˊ
Clear Aperture	>90%
Chamfer	<0.1×45°
Maximum dimensions	Dia(3-15)×(3-50)mm

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Our progress depends around the innovative machines, great talents and consistently strengthened technology forces for Europe style for 200 Nm To 2300 Nm Filters - Co:Spinel Crystals – Dien , The product will supply to all over the world, such as: Buenos Aires, Leicester, Tajikistan, We also provide OEM service that caters to your specific needs and requirements. With a strong team of experienced engineers in hose design and development, we value every opportunity to provide best products and solutions for our customers.

This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!

By Stephanie from Benin - 2018.11.04 10:32

The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!

By Bertha from Algeria - 2018.06.21 17:11