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High Power Laser Line Windows

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1、What is laser windows?


Laser Protect Windows(Laser protective glass, protective filters or welding protective windows) are used to save for the high cost of laser optics.


2、What is laser windows used for?


These windows are normally used in applications laser cutting, laser welding machine, it used for avoid the high-precision laser optics damage by material splashes.


3、The key features of UNI Optics' Laser Windows


High Transmission

High Damage Threshold

Low Scatter

Low Absorption

Excellent Film Density

Excellent Environmental Stability


Laser Windows   Laser Windows

Typical Specifications:

 

Dimension: 4mm-80mm, round or square

Material: BK7, Fused Silica, ZnSe...etc

Surface quality: 10/5

Surface flatness: Lambda/10@632.8nm

Parallelism: 30’’

Roughness: 3A

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1、What Metallic Coated types can Uni-Optics supply?


Uni-Optics mainly offers four coating types, including:

1) UV Enhanced Aluminum : Ravg > 85% from 250nm to 400nm

2) Protected Aluminum: Ravg > 87% from 400nm to 800nm

3) Protected Silver: Ravg > 95% from 400nm to 20um

4) Protected Gold: Ravg > 98% from 650nm to 16um



2、What are features of Metallic coated mirror?


Metallic coated mirror have many key features below:

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3、What UNI Optics can do for you?


Common Specifications:

Substrate Materials: N-BK7, Fused silica, Pyrex;Float glass

Dimensional tolerance: +/-0.1mm

Surface quality:  60-40

Parallelism:  3’

Flatness: λ/4 per 25mm@633nm

Bevel: Protective

One surface: Polished and Metallic coating

The other surface: Fine ground


Note: Aluminum is the most widely used metal reflection film, from near UV to near IR, have high reflectivity, and with low cost. Silver has higher reflectivity in the visible and near infrared wavelength than the aluminum film, but the silver in the air will be rapid oxidation, color darkening, makes the film performance and firmness declined rapidly. Gold film has a good consistency with high reflectivity in the near, middle and far infrared range, can control the thermal radiation effectively, but it is relatively soft, easy bruising, and should be pay very attention to clean, and the cost is very high.




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