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N-BK7 Plano-Convex Lenses, AR Coated 400 to 1100 nm

Brand: ThorLabs | Category: Scientific & Laboratory Equipment

N-BK7 Plano-Convex Lenses, AR Coated 400 to 1100 nm

Positive focal length singlet lenses in Grade A N-BK7, near best form for infinite conjugate work. They are the general purpose focusing and collimating lens of an optics bench, offered from 6 mm to 75 mm diameter with a broadband antireflection coating.

Technical Specifications

ParameterValue
SubstrateN-BK7 Grade A, design wavelength 587.6 nm
AR coating range400 to 1100 nm, reflectance less than 1.0% per surface
Diameters6.0 mm, 9.0 mm, 1/2", 18.0 mm, 25.0 mm, 1", 30.0 mm, 1.5", 2" and 75.0 mm
Surface quality40-20 scratch-dig; surface flatness of the plano side lambda/2 or better
Centration3 arcmin or better; focal length tolerance plus or minus 1%
Damage threshold7.5 J per square centimetre at 1064 nm, 10 ns, 10 Hz

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Contact Vvon Technologies Limited about ThorLabs equipment requirements in Bangladesh.

Phone: +8801805987890 | Email: info@vvon.com.bd

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