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<title><![CDATA[EC21 Product Catalogs - optics coating material]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/optics_coating_material--271307/1/optics coating material.html]]></link><item>
<title><![CDATA[308nm 254nm 190nm UV Bandpass Filter for Excimer Laser]]></title><link><![CDATA[https://meticulab.en.ec21.com/308nm_254nm_190nm_UV_Bandpass--12070016_12070972.html]]></link><description><![CDATA[Material
UV‑grade fused silica (JGS1)
Optical glass (BK7), CaF₂, sapphire
Coating Technology
Plasma reactive sputtering
Ion‑assisted deposition also available
Surface Quality (S/D)
40/20
20/10 ]]></description><pubDate><![CDATA[20260429]]></pubDate></item>
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<title><![CDATA[Spherical Lenses Supplier]]></title><link><![CDATA[https://hsgdoptic.en.ec21.com/Spherical_Lenses_Supplier--12004331_12019602.html]]></link><description><![CDATA[https://www.hsgd-optics.com/optical-spherical-lens/
How should I choose a spherical lens
?
Conjugate ratio, lens material, lens shape, radius of curvature, transmittance, wavefront aberration, scatte]]></description><pubDate><![CDATA[20241022]]></pubDate></item>
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<title><![CDATA[Good Price Neutral Density Color Glass Filters Optical ND Filter]]></title><link><![CDATA[https://positiveoptics.en.ec21.com/Good_Price_Neutral_Density_Color--11970681_11970687.html]]></link><description><![CDATA[optical density. To calculate the final system OD, simply add the OD of each filter together.We can customize alternative size, material, coating and other paramenter you want. Welcome your inquiry t]]></description><pubDate><![CDATA[20240718]]></pubDate></item>
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<title><![CDATA[Meniscus Lens]]></title><link><![CDATA[https://opticreate.en.ec21.com/Meniscus_Lens--11182309_11210008.html]]></link><description><![CDATA[optical assembly.
Opticreate are the leading optics lens supplier
for Meniscus Lenses, We has been exported to all over the world.
Material
BK7, Fused silica, Si,Ge,CaF2,ZnSe ect.
Diameter tolerance
]]></description><pubDate><![CDATA[20240710]]></pubDate></item>
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<title><![CDATA[Corner Cube Prism]]></title><link><![CDATA[https://syccooptics.en.ec21.com/Corner_Cube_Prism--11952878_11952883.html]]></link><description><![CDATA[coating can be applied to the reflecting surfaces. 
Specifications:
Attribute
Specification
Material:
BK7 Glass
Dimension Tolerance:
+0.0/-0.2mm
Deviation:
180°±3 arc second
Flatness:
-λ/4 on big ]]></description><pubDate><![CDATA[20240617]]></pubDate></item>
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<title><![CDATA[Optical Color Glass Filter Customized Factory Supply Color Glass]]></title><link><![CDATA[https://june20210728.en.ec21.com/Optical_Color_Glass_Filter_Customized--11547959_11548042.html]]></link><description><![CDATA[Coating
Uncoated
Type: Colored Glass Filter Interference Filter Neutral Density Filter Bandpass Filter Dichroic Splitter
Capacity: Material: Optical glass and Fused silicaDimension Tolerance: +0/-0.1]]></description><pubDate><![CDATA[20230922]]></pubDate></item>

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