Plano-Concave Cylindrical Lens
Product Details
Cylindricallenses are typically used to focus incoming light to a line, or to change the aspect ratio of an image. Cylindrical Lenses have a single cylindrical surface that causes incoming light to be focused in only a single dimension, stretching the image. are available with positive or negative focal lengths, ideal for laser line generation or anamorphic beam shaping to circularize laser outputs.
Opticreateprovides achromatic cylindricallens, plane-convex cylindrical lensandplane-concave cylindrical lens,adopts special technology to ensure the center deviation accuracy, itcould be controlled within 5μm, the shapeof cylindricallenscould be circular, rectangularect.We also provided with reflectionor anti-reflection coating.
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Material |
BK7,Fused silica |
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Design wavelength |
440～660nm |
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Diameter tolerance |
+0.0/-0.15mm |
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Diameter |
D2-D300mm |
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Radius |
≥3mm（Feature: Big radius） |
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Focal length tolerance |
±2% |
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Centration |
≤0.01mm(High Precision 0.005mm) |
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Clear Aperture |
≥90% |
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Power |
<1.5λ@633nm（General),<λ/4@633nm(High Precision) |
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Irregularity |
λ/4 @ Precision) |
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Surface Quality |
40-20 |
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Bevel |
|
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Coating |
HR coating, AR coating（Could be customized） |
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