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<title><![CDATA[EC21 Product Catalogs - spheric shape]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/spheric_shape--271303/1/spheric shape.html]]></link><item>
<title><![CDATA[Alkali Vapor Cell with Dual Gas Ports for Dynamic Flow Experiments]]></title><link><![CDATA[https://meticulab.en.ec21.com/Alkali_Vapor_Cell_with_Dual--12069884_12071133.html]]></link><description><![CDATA[Shape &amp; Dimensions
Cylindrical (standard), square / rectangular tubes, spherical — custom optical path length (3‑500 mm)
Gas Port Configuration
Number of ports (2 standard), port diameter (6 mm /]]></description><pubDate><![CDATA[20260502]]></pubDate></item>
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<title><![CDATA[Optical Spherical Concave Reflective Mirror]]></title><link><![CDATA[https://ruiqioptics.en.ec21.com/Optical_Spherical_Concave_Reflective_Mirror--11974301_12019800.html]]></link><description><![CDATA[Optical mirror is an optical element which has reflective function. Accordingly shape, it can divide into three parts, that is flat mirror, spherical mirror, aspheric mirror. Accordingly, degree of r]]></description><pubDate><![CDATA[20241022]]></pubDate></item>
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<title><![CDATA[Cylinder Lens]]></title><link><![CDATA[https://hsgdoptic.en.ec21.com/Cylinder_Lens--12004331_12004332.html]]></link><description><![CDATA[spherical lens. Aspheric cylindrical lenses are designed to minimize aberration and provide the same one-dimensional focusing capabilities as conventional cylindrical lenses. Their shape is slightly ]]></description><pubDate><![CDATA[20240913]]></pubDate></item>
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<title><![CDATA[Fused Silica Domes]]></title><link><![CDATA[https://clzoptics.en.ec21.com/Fused_Silica_Domes--7138952_8461897.html]]></link><description><![CDATA[spherical surfaces. Sometimes they are being referred to as bent plan parallel plates. Consequently it is customary to define parallelism between two surfaces as the maximum thickness variation betwe]]></description><pubDate><![CDATA[20240403]]></pubDate></item>
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<title><![CDATA[Optical Instruments Aspheric Glass Spherical Positive Achromatic Concave Convex Meniscus Lens]]></title><link><![CDATA[https://shyannie.en.ec21.com/Optical_Instruments_Aspheric_Glass_Spherical--11866430_11871031.html]]></link><description><![CDATA[spheric used when speaking of properties applying to them in general, or for shapes without such a well-known specific term. The mirror shapes in astronomical optics often termed aspheric are mirrors]]></description><pubDate><![CDATA[20231128]]></pubDate></item>
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<title><![CDATA[Plano Convex Lens Spherical Lens with AR Coating]]></title><link><![CDATA[https://worldhawkcindy.en.ec21.com/Plano_Convex_Lens_Spherical_Lens--11493887_11493890.html]]></link><description><![CDATA[shape, dimention and precision. Including spherical lens, aspherical lens, achromatic lens and coating. It can be used for UV, visible or infrared wavelengths. Hope we can provide the best service fo]]></description><pubDate><![CDATA[20240201]]></pubDate></item>
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<title><![CDATA[Achromatic Lenses]]></title><link><![CDATA[https://ostphotonics.en.ec21.com/Achromatic_Lenses--11883017_11883018.html]]></link><description><![CDATA[spherical aberrations. Best used to replace single components where performance must be improved.
Specifications of Achromatic Lenses
Diameter size
smallest 3 mm
Diameter tolerance
+0.0, -0.05mm
Para]]></description><pubDate><![CDATA[20240103]]></pubDate></item>
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<title><![CDATA[2023 Free Sample/Inquiry for Drawings Meniscus Lens  Positive/Negative Meniscus Lens]]></title><link><![CDATA[https://oplens68.en.ec21.com/2023_Free_Sample_Inquiry_for--11609135_11609139.html]]></link><description><![CDATA[A meniscus lens
is a lens with two spherical surfaces, convex on one side and concave on the other. The lens provides a smaller beam diameter to reduce beam waste and spherical aberration. When one m]]></description><pubDate><![CDATA[20230809]]></pubDate></item>
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<title><![CDATA[Optical Glass Reflective Mirror]]></title><link><![CDATA[https://daisydong147.en.ec21.com/Optical_Glass_Reflective_Mirror--10849552_10849619.html]]></link><description><![CDATA[spherical and common curved mirrors. Because the mirror can be coated with different kinds of film or multilayer dielectric film, and flexible change of shape and other characteristics, it can be wid]]></description><pubDate><![CDATA[20181108]]></pubDate></item>

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