{"product_id":"variable-neutral-density-nd-filter-190nm-1500nm","title":"Variable Neutral Density ND Filter 190nm-1500nm Linear\/Circular Gradient for Laser Attenuation | METICULAB","description":"\u003ch1 style=\"font-size: 28px; font-weight: 600; margin: 0 0 8px 0; color: #1a1a2e;\"\u003eVariable Neutral Density ND Filter\u003c\/h1\u003e\n\u003cp style=\"font-size: 18px; color: #2d4059; margin: 0 0 4px 0;\"\u003e190nm–1500nm · Linear \/ Circular \/ Stepped \/ Radial Gradient\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; color: #4a4a4a; margin: 0 0 20px 0;\"\u003eFor Laser Attenuation, Semiconductor Metrology \u0026amp; Optical Instrumentation\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; color: #4a4a4a; margin: 0 0 20px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/7695\/8204\/files\/UV_reflector_3.jpg?v=1783059064\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 20px 0; font-family: Arial, sans-serif;\"\u003e\n\u003cdiv style=\"background: #f5f7fa; border-left: 4px solid #2d4059; padding: 12px 14px; border-radius: 4px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003eUltra-Wide 190–1500nm\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 13px; color: #4a4a4a;\"\u003eCovers UV, visible \u0026amp; NIR in one filter series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f5f7fa; border-left: 4px solid #2d4059; padding: 12px 14px; border-radius: 4px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003eAttenuates Without Spectrum Change\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 13px; color: #4a4a4a;\"\u003eAdjusts intensity — preserves spectral distribution.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f5f7fa; border-left: 4px solid #2d4059; padding: 12px 14px; border-radius: 4px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003e4 Gradient Patterns\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 13px; color: #4a4a4a;\"\u003eStepped · Radial · Circular · Gaussian.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f5f7fa; border-left: 4px solid #2d4059; padding: 12px 14px; border-radius: 4px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003eAdvanced Magnetron Sputtering\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 13px; color: #4a4a4a;\"\u003eDurable Ni80Cr20 coating for consistent performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f5f7fa; border-left: 4px solid #2d4059; padding: 12px 14px; border-radius: 4px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003eFull Customization\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 13px; color: #4a4a4a;\"\u003eWavelength · Size · Substrate · OD value.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f5f7fa; border-left: 4px solid #2d4059; padding: 12px 14px; border-radius: 4px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003eR\u0026amp;D-Friendly MOQ\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 13px; color: #4a4a4a;\"\u003e10-piece minimum for prototype validation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: 600; color: #1a1a2e; margin: 28px 0 10px 0;\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.7; color: #2d4059; margin: 0 0 14px 0;\"\u003eThe \u003cstrong\u003eMETICULAB Variable Neutral Density (ND) Filter\u003c\/strong\u003e series delivers precise, continuous light attenuation across a broad spectral range — from the deep UV at 190nm through visible and into the NIR at 1500nm — without altering spectral distribution. Designed for \u003cstrong\u003esemiconductor metrology, laser systems, and optical instrumentation\u003c\/strong\u003e, these filters are manufactured using advanced magnetron sputtering technology for superior spectral neutrality and long-term durability.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.7; color: #2d4059; margin: 0 0 14px 0;\"\u003eWhether you need to stabilize laser power, calibrate spectrophotometers, or control light intensity in precision measurement systems, METICULAB ND filters deliver uniform, predictable performance across the full wavelength range.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.7; color: #2d4059; margin: 0 0 14px 0;\"\u003e\u003cspan style=\"background: #e8edf3; padding: 2px 8px; border-radius: 3px; font-weight: 600;\"\u003eCore Feature:\u003c\/span\u003e \u003cem\u003e\"Adjusts intensity without altering spectrum\"\u003c\/em\u003e — critical for applications where spectral integrity matters.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: 600; color: #1a1a2e; margin: 28px 0 10px 0;\"\u003eGradient Patterns\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 10px 0 20px 0; font-family: Arial, sans-serif;\"\u003e\n\u003cdiv style=\"background: #fafbfc; border: 1px solid #e2e6ea; padding: 12px 16px; border-radius: 6px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003eStepped\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 13px; color: #4a4a4a;\"\u003eDiscrete attenuation steps for multi-level control.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fafbfc; border: 1px solid #e2e6ea; padding: 12px 16px; border-radius: 6px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003eRadial\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 13px; color: #4a4a4a;\"\u003eAnnular attenuation from center to edge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fafbfc; border: 1px solid #e2e6ea; padding: 12px 16px; border-radius: 6px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003eCircular\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 13px; color: #4a4a4a;\"\u003eRotational attenuation for dynamic adjustment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fafbfc; border: 1px solid #e2e6ea; padding: 12px 16px; border-radius: 6px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003eGaussian\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 13px; color: #4a4a4a;\"\u003eSmooth, bell-shaped attenuation profile.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: 600; color: #1a1a2e; margin: 28px 0 10px 0;\"\u003eApplications\u003c\/h2\u003e\n\u003cul style=\"font-size: 15px; line-height: 1.8; color: #2d4059; padding-left: 22px; margin: 0 0 14px 0;\"\u003e\n\u003cli\u003eSemiconductor wafer inspection and metrology\u003c\/li\u003e\n\u003cli\u003eLaser power stabilization and control\u003c\/li\u003e\n\u003cli\u003eOptical test and measurement instruments\u003c\/li\u003e\n\u003cli\u003eSpectrophotometer calibration\u003c\/li\u003e\n\u003cli\u003eResearch and development laboratories\u003c\/li\u003e\n\u003cli\u003eHigh-end lighting and projection systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: 600; color: #1a1a2e; margin: 28px 0 10px 0;\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; color: #2d4059; margin: 0 0 14px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f5f7fa; border-bottom: 2px solid #d1d9e6;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: bold; width: 40%;\"\u003eWavelength Range\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px;\"\u003e190nm – 1500nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e6ea;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: bold;\"\u003eOptical Density (OD)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px;\"\u003eCustomizable (0.04 – 4.0)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e6ea;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: bold;\"\u003eTransmittance\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px;\"\u003eCustomizable (0.1% – 92%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e6ea;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: bold;\"\u003eSubstrate Material\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px;\"\u003eFused Silica \/ BK7 \/ Optical Glass (Custom)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e6ea;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: bold;\"\u003eCoating\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px;\"\u003eNi80Cr20 \/ Metal Chrome (Magnetron Sputtering)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e6ea;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: bold;\"\u003eGradient Patterns\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px;\"\u003eStepped \/ Radial \/ Circular \/ Gaussian\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e6ea;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: bold;\"\u003eSurface Quality\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px;\"\u003e60\/40, 40\/20 (S\/D) or better\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e6ea;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: bold;\"\u003eSize\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px;\"\u003eCustomized (Round \/ Square)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: bold; background: #fafbfc;\"\u003eMOQ\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; background: #fafbfc;\"\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: 600; color: #1a1a2e; margin: 28px 0 10px 0;\"\u003eCustomization \u0026amp; Support\u003c\/h2\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.7; color: #2d4059; margin: 0 0 14px 0;\"\u003eAt \u003cstrong\u003eMETICULAB\u003c\/strong\u003e, we understand that every optical system has unique requirements. We offer \u003cstrong\u003efull OEM\/ODM customization\u003c\/strong\u003e including center wavelength, bandwidth, size, substrate material (BK7, Fused Silica, Quartz, Metal), and reflectance\/transmittance specifications. Our technical team is available to provide design consultation and application support.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.7; color: #2d4059; margin: 0 0 14px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0791\/7695\/8204\/files\/12.jpg?v=1783058967\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: 600; color: #1a1a2e; margin: 28px 0 10px 0;\"\u003eWhy METICULAB?\u003c\/h2\u003e\n\u003cul style=\"font-size: 15px; line-height: 1.8; color: #2d4059; padding-left: 22px; margin: 0 0 14px 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eR\u0026amp;D-Friendly MOQ\u003c\/strong\u003e — as low as 10 pieces for prototype testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull customization\u003c\/strong\u003e for complex engineering requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% spectral performance verification\u003c\/strong\u003e before shipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality issues covered\u003c\/strong\u003e by replacement guarantee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnical support\u003c\/strong\u003e for integration and application optimization\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal shipping\u003c\/strong\u003e via DHL, FedEx, UPS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: 600; color: #1a1a2e; margin: 28px 0 10px 0;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"font-family: Arial, sans-serif; margin: 0 0 14px 0;\"\u003e\n\u003cdiv style=\"border-bottom: 1px solid #e2e6ea; padding: 12px 0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003eQ1: What coating technology do you use?\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 14px; color: #4a4a4a; line-height: 1.6;\"\u003eA: We utilize ion-beam reactive sputtering and precision thin-film deposition processes, providing excellent thermal stability and spectral accuracy suitable for demanding semiconductor and laser applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-bottom: 1px solid #e2e6ea; padding: 12px 0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003eQ2: Can I customize the center wavelength and bandwidth?\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 14px; color: #4a4a4a; line-height: 1.6;\"\u003eA: Yes. We offer full customization for i-line, 190nm, 254nm, 308nm, and other specific wavelengths based on your optical system design requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-bottom: 1px solid #e2e6ea; padding: 12px 0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003eQ3: Do your ND filters affect the spectral distribution?\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 14px; color: #4a4a4a; line-height: 1.6;\"\u003eA: No. Our ND filters are designed to attenuate intensity while preserving the original spectral distribution — \"adjusts intensity without altering spectrum.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-bottom: 1px solid #e2e6ea; padding: 12px 0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003eQ4: What is your MOQ? Can I order a small quantity for testing?\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 14px; color: #4a4a4a; line-height: 1.6;\"\u003eA: Yes. Our standard MOQ is 10 pieces for optical filters, supporting pilot runs and prototype validation. For R\u0026amp;D purposes, we can accommodate smaller quantities upon request.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-bottom: 1px solid #e2e6ea; padding: 12px 0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003eQ5: What substrate materials do you offer?\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 14px; color: #4a4a4a; line-height: 1.6;\"\u003eA: We offer BK7, Fused Silica, Quartz, and Optical Glass. Substrate selection depends on your wavelength range and application. We recommend Fused Silica for UV applications (down to 190nm).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-bottom: 1px solid #e2e6ea; padding: 12px 0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003eQ6: How do you ensure product quality?\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 14px; color: #4a4a4a; line-height: 1.6;\"\u003eA: Every batch undergoes independent spectral performance verification before shipment. We also provide a replacement guarantee for any quality issues — zero-risk sourcing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-bottom: 1px solid #e2e6ea; padding: 12px 0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003eQ7: Do you provide design support for custom optical systems?\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 14px; color: #4a4a4a; line-height: 1.6;\"\u003eA: Yes. We offer technical consultation and design support, helping you select or customize the right optical components based on your specific application. Our team can work from your drawings or specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 12px 0;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; font-weight: bold; color: #1a1a2e;\"\u003eQ8: What is your typical lead time?\u003c\/p\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 14px; color: #4a4a4a; line-height: 1.6;\"\u003eA: Standard items are typically shipped within 7-15 working days. Custom orders require 15-25 working days after drawing confirmation, depending on complexity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; padding: 28px 0 8px 0; border-top: 2px solid #e2e6ea; margin-top: 20px;\"\u003e\n\u003cp style=\"font-size: 20px; font-weight: 600; color: #1a1a2e; margin: 0;\"\u003eMETICULAB\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; color: #4a4a4a; margin: 4px 0 0 0;\"\u003ePrecision Lab Solutions\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; color: #7a7a7a; margin: 8px 0 0 0;\"\u003e\u003cspan style=\"display: inline-block; margin: 0 12px;\"\u003e📧 choikyuc@gmail.com \/ info@meticulab.net\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"display: inline-block; margin: 4px 12px 0 12px;\"\u003e📞 WhatsApp \u0026amp; KakaoTalk: +82-10-3988-4813\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"display: inline-block; margin: 4px 12px 0 12px;\"\u003e🌐 www.meticulab.net\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"METICULAB","offers":[{"title":"Default Title","offer_id":49246123458812,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0791\/7695\/8204\/files\/uv_reflector.jpg?v=1783060607","url":"https:\/\/meticulab.net\/ko\/products\/variable-neutral-density-nd-filter-190nm-1500nm","provider":"METICULAB","version":"1.0","type":"link"}