Optical Flat BK7 20mm λ/20

OFB-20C05-20

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These Optical Flats are precision polished on one side to a high accuracy and surface quality. They are suitable substrates to be coated with an optical thin film, such as a custom-made mirror.

Details

◦ We offer these substrates in a wide variety shapes and sizes, thickness and surface accuracy to allow for selection according to your required specifications.

More Information

More Information
Name	Optical Flat BK7 20mm λ/20
Weight	0.0050kgs
Standard Coatings Available	Yes
Guide	Substrates precision polished on both sides are also available as optical parallels (OPB, OPSQ, OPSQK). WEB Reference Catalog Code/W3134 Pyrex® is a registered trademark of Corning.
Remark	-
Attention	Planar substrate is not coated on both sides and there is a 3.5 to 4% reflection of the surface. When used in transmission (back surface is polished) the planar substrate, there is a possibility that the transmitted beam is slightly deviated. The appropriate substrate for use in transmission is the parallel planar substrate (OPB, OPSQ, OPSQK). WEB Reference Catalog Code/W3134 No surface accuracy guarantee data is provided with the product. If you need the sheet containing the surface accuracy guarantee data, an additional cost for creating the data is required. Please contact our Sales Division with your request.
Diameter φD	20mm
Material	BK7
Rear Surface	Ground
Material	BK7
Parallelism	＜3′
Diameter φD	φ20mm
Thickness t	5mm
Surface Flatness	λ/20
Surface Quality (Scratch-Dig)	10−5
Rear surface	Ground

In stock

SKU

OFB-20C05-20

$66.00

These Optical Flats are precision polished on one side to a high accuracy and surface quality. They are suitable substrates to be coated with an optical thin film, such as a custom-made mirror.

Optical Flat BK7 20mm λ/20

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