18 Years Factory Laser Cutting Nozzle Selection - China professional Znse Protection Window manufacturer

18 Years Factory Laser Cutting Nozzle Selection - China professional Znse Protection Window manufacturer – HAAS

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18 Years Factory Laser Cutting Nozzle Selection - China professional Znse Protection Window manufacturer – HAAS Detail:

Product Description

Carmanhaas ZNSE Polished Windows are frequently used in optical systems to separate the environment in one part of the system from another, such as to seal vacuum or high-pressure cells. Because the infrared transmitting material has a high index of refraction, an anti-reflection coating is typically applied to windows to minimize losses due to reflections.

To protect scan lenses from backsplatter and other workplace hazards, Carmanhaas offers protective windows, also known as debris windows that are either included as the overall scan lens assembly part, or sold separately. These plano-plano windows are available in both ZnSe and Ge materials and also supplied mounted or unmounted.

Technical Parameters

Specifications	Standards
Dimensional Tolerance	+0.0mm / -0.1mm
Thickness Tolerance	±0.1mm
Parallelism : (Plano)	≤ 3 arc minutes
Clear Aperture (polished)	90% of diameter
Surface Figure @ 0.63um	Power: 1 fringes, Irregularity: 0.5 fringe
Scratch-Dig	Better than 40-20

Coating Parameters

Specifications	Standards
Wavelength	AR@10.6um both sides
Total absorption rate	< 0.20%
Reflective per surface	< 0.20% @ 10.6um
Transmission per surface	>99.4%

Product Specification

Diameter (mm)	Thickness (mm)	Coating
10	2/4	Uncoated
12	2	Uncoated
13	2	Uncoated
15	2/3	Uncoated
30	2/4	Uncoated
12.7	2.5	AR/AR@10.6um
19	2	AR/AR@10.6um
20	2/3	AR/AR@10.6um
25	2/3	AR/AR@10.6um
25.4	2/3	AR/AR@10.6um
30	2/4	AR/AR@10.6um
38.1	1.5/3/4	AR/AR@10.6um
42	2	AR/AR@10.6um
50	3	AR/AR@10.6um
70	3	AR/AR@10.6um
80	3	AR/AR@10.6um
90	3	AR/AR@10.6um
100	3	AR/AR@10.6um
135L x 102W	3	AR/AR@10.6um
161L x 110W	3	AR/AR@10.6um

Product Operation and cleaning

Great care should be taken when handling infrared optics. Please note the following precautions:
1. Always wear powder-free finger cots or rubber/latex gloves when handling optics. Dirt and oil from the skin can severely contaminate optics, causing a major degradation in performance.
2. Do not use any tools to manipulate optics — this includes tweezers or picks.
3. Always place optics on supplied lens tissue for protection.
4. Never place optics on a hard or rough surface. Infrared optics can be easily scratched.
5. Bare gold or bare copper should never be cleaned or touched.
6. All materials used for infrared optics are fragile, whether single crystal or polycrystalline, large or fine grained. They are not as strong as glass and will not withstand procedures normally used on glass optics.

Note: if need other size and other coating wavelength, pls contact to our sales.

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