parallel optical windows

1 Optical window 2 Diameter:20mm 3 Thickness:3mm; Antireflection Coating:uncoated 4 Surface quality:40-20/20-10/10-5

Place of Origin:Changchun China (Mainland)	Brand Name:Kexing	Model Number:
Diameter:20mm	Thickness:3mm	Surface Flatness:≤lambda/4
Parallelism:≤30"	Material:BK7	Surface quality:40-20/20-10/10-5

Specifications

1 Optical window2 Diameter:20mm3 Thickness:3mm; Antireflection Coating:uncoated4 Surface quality:40-20/20-10/10-5

The OQOPW20-C Parallel Window is parallel to less than 30 arc sec for minimal transmitted beam deviation. This 20mm diameter BK 7 window is 3 mm thick.For demanding applications, such as intracavity laser applications, holography, and multiphoton imaging, this window has a λ/4surface flatness and 40-20 scratch-dig significantly reducing unwanted scatter.

Product Number	Diameter(mm)	Thickness(mm)	Surface Flatness	Parallelism	Material
OQOPW12.7-C	Φ12.7	2	λ/4	≤30“	BK7
OQOPW20-C	Φ20	3	λ/4	≤30”	BK7
OQOPW25.4-C	Φ25.4	3	λ/4	≤30“	BK7
OQOPW50-C	Φ50	5	λ/4	≤30”	BK7
OQOPW50.8-C	Φ50.8	5	λ/4	≤30“	BK7
OQOPWQ12.7-C	Φ12.7	2	λ/4	≤30”	Fused Silica
OQOPWQ20-C	Φ20	3	λ/4	≤30“	Fused Silica
OQOPWQ25.4-C	Φ25.4	3	λ/4	≤30“	Fused Silica
OQOPWQ50-C	Φ50	5	λ/4	≤30”	Fused Silica
OQOPWQ50.8-C	Φ50.8	5	λ/4	≤30“	Fused Silica

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