Name: Optical Parallels
Brand: ECOPTIK(CHINA)LTD

Optical Parallels

Although optical windows are just two parallel surfaces and in most cases are used to protect the sensors and other electronic instruments inside the system from environmental conditions, they are absolutely indispensable and should be adapted to the needs of the entire system.

Uses Optical Parallels 

Descriptions of Optical Parallels

Ecoptik China provides parallel windows in a variety of materials, covering ultraviolet, visible, and infrared wavelengths, from 180nm to 2600nm.

The advantage of Ecoptik China lies in the customized processing according to customer requirements, high-precision surface flatness, strict surface quality and high parallel requirements, etc.

At the same time, Ecoptik China can also provide coating services, including AR Coating, metal reflection, dielectric high reflection, etc.

Specifications of Optical Parallels

Item	Commercial	High Precision
Material:	Visible material: BK7 (H-K9L), Float glass, Color glass, etc. UV material: Fused silica, Borosilicate glass, etc. IR material: Sapphire, Ge, Si, CaF2, MgF2, BaF2, LiF, ZnSe, ZnS, etc.
Dimension:	1mm~300mm
Diameter tolerance:	±0.1mm	±0.03mm
Angle tolerance:	＜3 arc min	＜10 arc sec
Clear Aperture:	>90% of diameter
Surface Quality:	MIL60-40	MIL20-10, 10-5
Surface flatness:	λ/4@ 632.8nm	λ/10@ 632.8nm
Chamfer：	0.05~0.2mm x 45°

Standard window
Material: UV Fused silica
Surface quality: 10-5
Surface flatness: λ/10@632.8nm
Parallelism： 30 arc sec.
Diameters （Inch）	Thickness （mm）
½‘’	3
½‘’	6
1‘’	2
1‘’	5
1‘’	6
2‘’	3
2‘’	5
2‘’	12

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Optical Parallels

Descriptions of Optical Parallels

Specifications of Optical Parallels

Optical Windows Products