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<title><![CDATA[EC21 Product Catalogs - Optical Filters]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/Optical_Filters--271307.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[METICULAB UV Bandpass Filter - Product Details
UV Bandpass Filter | 190nm / 254nm / 308nm
Brand: METICULAB | Model: MET-UV-BP Series
📘 Product Overview
METICULAB UV bandpass filter is a high-perfo]]></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[Infrared Customized Glass Optical Filters for Medical Facility]]></title><link><![CDATA[https://xinxingliangoptics12.en.ec21.com/Infrared_Customized_Glass_Optical_Filters--11974266_11974280.html]]></link><description><![CDATA[Optical Filter, an optical element. It is a tool used to select the desired radiation band of light to transmit and filter out the unwanted light waves. It is a plastic or glass sheet made by adding ]]></description><pubDate><![CDATA[20240724]]></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[Neutral Density (ND) filters are designed to reduce transmission evenly across a portion of a specific spectrum. They are typically defined by their Optical Density (OD) which describes the amount of]]></description><pubDate><![CDATA[20240718]]></pubDate></item>
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<title><![CDATA[Laser Lens System]]></title><link><![CDATA[https://opticreate.en.ec21.com/Laser_Lens_System--11076616_11210001.html]]></link><description><![CDATA[Laser Lens System
Laser Lens System Manufacturer
Product Details
Optical Technology produces lens lenses for the laser industry, including f
ield mirrors 
, beam expanders
, laser ranging and lightin]]></description><pubDate><![CDATA[20240710]]></pubDate></item>
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<title><![CDATA[Optical Glass 900nm Short Pass Filter]]></title><link><![CDATA[https://syccooptics.en.ec21.com/Optical_Glass_900nm_Short_Pass--11952878_11952879.html]]></link><description><![CDATA[Optical Glass 900nm Short Pass Filter
Product Description
Coating Type: Hard film Coated
Technology: IAD Hard coating 
Typical Wavelength: SP490,SP550,SP590,SP600,SP650,SP700,SP800,SP990 , etc...
T a]]></description><pubDate><![CDATA[20240617]]></pubDate></item>
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<title><![CDATA[ND Filter Neutral Density Filter Camera Lens ND Filter]]></title><link><![CDATA[https://june20210728.en.ec21.com/ND_Filter_Neutral_Density_Filter--11547959_11548058.html]]></link><description><![CDATA[Product Description
Neutral
Density Filter reduces the brightness of an image without changing the 
color of the scene. It allows all wavelengths to pass through equally. 
Neutral density filters are]]></description><pubDate><![CDATA[20230922]]></pubDate></item>
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<title><![CDATA[Optical Filter]]></title><link><![CDATA[https://bill2021.en.ec21.com/Optical_Filter--11096792_11096901.html]]></link><description><![CDATA[All kinds of bespoke optical filters:
IR bandpass filters
UV bandpass filters
heat absorbing filters 
Our products mainly consist of optical lenses, prisms, optical windows, precision flats, waveplat]]></description><pubDate><![CDATA[20200407]]></pubDate></item>
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<title><![CDATA[863MHz To 870MHz RF Bandpass Filter 868MHz RF Cavity Filter]]></title><link><![CDATA[https://uiy259.en.ec21.com/863MHz_To_870MHz_RF_Bandpass--11266487_11559012.html]]></link><description><![CDATA[Product DescriptionRF Filter 863MHz to 870MHz Cavity 868MHz Filter
Product Name863MHz to 870MHz RF Cavity Filter Function863MHz to 870MHz (868MHz) RF filter is a device that passes frequencies within]]></description><pubDate><![CDATA[20220428]]></pubDate></item>
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<title><![CDATA[700mm 40W CO2 Laser Tube for K30 Mini CO2 Laser Engraver  850mm CO2 Laser Lamp]]></title><link><![CDATA[https://laserpowersource.en.ec21.com/700mm_40W_CO2_Laser_Tube--6991297_6991426.html]]></link><description><![CDATA[40W 700/800/850mm sealed glass type CO2 laser tube 
Feature
1.This sealed glass CO2 tube dopts stable cavity structure to ensure the beam mode is up to TEM00.
2. This 700mm CO2 tube’s output power ]]></description><pubDate><![CDATA[20230927]]></pubDate></item>
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<title><![CDATA[CWL 228nm  239nm 240nm 254nm 280nm 289nm 340nm Narrow Bandpass UV Filter]]></title><link><![CDATA[https://worldhawkcindy.en.ec21.com/CWL_228nm_239nm_240nm_254nm--11486363_11498365.html]]></link><description><![CDATA[UV NBP Filter
+ CWL 228nmnm 289nm 380nm UV NBP Filter FWHM 10nm-20nm or customized
Worldhawk can provide precision filters for many applications, including bandpass interference filter, Cut off filte]]></description><pubDate><![CDATA[20240201]]></pubDate></item>
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<title><![CDATA[Filters]]></title><link><![CDATA[https://albrighter.en.ec21.com/Filters--10771415_11765972.html]]></link><description><![CDATA[Band-pass filter is a kind of optic that can allow specific wavelength light pass and others reflect or cut off. It has many kinds of application like clinical medicine, environmental experiment, flu]]></description><pubDate><![CDATA[20230407]]></pubDate></item>
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<title><![CDATA[Color Glass Filter]]></title><link><![CDATA[https://daisydong147.en.ec21.com/Color_Glass_Filter--10849537_10849753.html]]></link><description><![CDATA[Due to its selective absorption in visible wavelength range, color glass filter will exhibit various color depending the glass type. Color glass filter provides an economical filter for various appli]]></description><pubDate><![CDATA[20181108]]></pubDate></item>

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