<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="//sk.jyoptix.com/sitemap.xsl"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
<url>
<lastmod>2026-04-16T10:27:10+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>1.0</priority>
<loc>https://sk.jyoptix.com/</loc>
</url>
<url>
<lastmod>2026-04-20T07:53:27+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.9</priority>
<loc>https://sk.jyoptix.com/about-us</loc>
</url>
<url>
<lastmod>2026-05-18T10:05:18+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.9</priority>
<loc>https://sk.jyoptix.com/contact-us</loc>
</url>
<url>
<lastmod>2026-05-18T09:29:47+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.9</priority>
<loc>https://sk.jyoptix.com/inquiry</loc>
</url>
<url>
<lastmod>2026-05-18T09:33:34+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.9</priority>
<loc>https://sk.jyoptix.com/newslist-1</loc>
</url>
<url>
<lastmod>2026-05-18T09:33:39+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.9</priority>
<loc>https://sk.jyoptix.com/info/</loc>
</url>
<url>
<lastmod>2026-04-20T07:54:20+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.9</priority>
<loc>https://sk.jyoptix.com/products</loc>
</url>
<url>
<lastmod>2026-04-21T03:48:50+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.9</priority>
<loc>https://sk.jyoptix.com/blog/</loc>
</url>
<url>
<lastmod>2026-04-20T07:42:02+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.9</priority>
<loc>https://sk.jyoptix.com/seya-namioka-flat-field-concave-holographic/</loc>
</url>
<url>
<lastmod>2026-04-20T07:43:11+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.9</priority>
<loc>https://sk.jyoptix.com/echelle-grating/</loc>
</url>
<url>
<lastmod>2026-04-20T07:43:24+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.9</priority>
<loc>https://sk.jyoptix.com/reflective-holographic-gratings/</loc>
</url>
<url>
<lastmod>2026-04-20T07:50:36+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.9</priority>
<loc>https://sk.jyoptix.com/broadband-infrared-grating/</loc>
</url>
<url>
<lastmod>2026-04-20T07:52:23+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.9</priority>
<loc>https://sk.jyoptix.com/rowland-circle-concave-holographic-grating-rowland/</loc>
</url>
<url>
<lastmod>2026-04-20T08:05:35+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.9</priority>
<loc>https://sk.jyoptix.com/flat-field-concave-holographic-grating/</loc>
</url>
<url>
<lastmod>2026-04-20T08:25:05+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.9</priority>
<loc>https://sk.jyoptix.com/plane-ruled-grating/</loc>
</url>
<url>
<lastmod>2026-04-20T07:49:57+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/seya-namioka-flat-field-concave-holographic/seya-namioka-flat-field-concave-holographics.html</loc>
</url>
<url>
<lastmod>2026-04-20T07:47:25+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/echelle-grating/echelle-grating-79l-mm.html</loc>
</url>
<url>
<lastmod>2026-04-20T07:49:25+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/reflective-holographic-gratings/reflective-holographic-gratings-1200l-mm.html</loc>
</url>
<url>
<lastmod>2026-04-20T07:50:59+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/reflective-holographic-gratings/reflective-holographic-gratings-3600l-mm.html</loc>
</url>
<url>
<lastmod>2026-04-20T07:54:37+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/broadband-infrared-grating/broadband-infrared-grating-50l-mm-2500nm.html</loc>
</url>
<url>
<lastmod>2026-04-20T07:54:38+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/echelle-grating/echelle-grating-54-5l-mm.html</loc>
</url>
<url>
<lastmod>2026-04-20T07:55:36+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/reflective-holographic-gratings/reflective-holographic-gratings-1800l-mm.html</loc>
</url>
<url>
<lastmod>2026-04-20T07:59:49+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/seya-namioka-flat-field-concave-holographic/seya-namioka-flat-field-concave-holographi.html</loc>
</url>
<url>
<lastmod>2026-04-20T08:01:11+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/reflective-holographic-gratings/reflective-holographic-gratings-2400l-mm.html</loc>
</url>
<url>
<lastmod>2026-04-20T08:11:38+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/flat-field-concave-holographic-grating/flat-field-concave-holographic-grating-489.html</loc>
</url>
<url>
<lastmod>2026-04-20T08:26:35+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/plane-ruled-grating/plane-ruled-grating-1800l-mm-210nm-720nm.html</loc>
</url>
<url>
<lastmod>2026-04-20T08:26:41+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/plane-ruled-grating/plane-ruled-grating-100l-mm-1600nm-16000nm.html</loc>
</url>
<url>
<lastmod>2026-04-20T08:32:21+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/plane-ruled-grating/plane-ruled-grating-200l-mm-500nm-5000nm.html</loc>
</url>
<url>
<lastmod>2026-04-20T08:30:33+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/plane-ruled-grating/plane-ruled-grating-50l-mm-1500nm-10600nm.html</loc>
</url>
<url>
<lastmod>2026-04-20T08:31:50+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/plane-ruled-grating/plane-ruled-grating-600l-mm-250nm-2700nm.html</loc>
</url>
<url>
<lastmod>2026-04-20T08:32:19+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/plane-ruled-grating/high-power-laser-grating-950l-mm-800nm.html</loc>
</url>
<url>
<lastmod>2026-04-20T08:33:39+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/plane-ruled-grating/plane-ruled-grating-75l-mm-2000nm.html</loc>
</url>
<url>
<lastmod>2026-04-20T08:33:58+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/plane-ruled-grating/plane-ruled-grating-20l-mm-10000nm.html</loc>
</url>
<url>
<lastmod>2026-04-20T08:37:58+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/plane-ruled-grating/plane-ruled-grating-1200l-mm-210nm-1060n.html</loc>
</url>
<url>
<lastmod>2026-04-20T08:50:04+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/plane-ruled-grating/plane-ruled-grating-450l-mm-250nm-430nm.html</loc>
</url>
<url>
<lastmod>2026-04-20T08:51:51+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/plane-ruled-grating/plane-ruled-grating-250l-mm-800nm-1650nm.html</loc>
</url>
<url>
<lastmod>2026-04-20T09:02:55+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/plane-ruled-grating/plane-ruled-grating-150l-mm-550nm-10600nm.html</loc>
</url>
<url>
<lastmod>2026-04-21T11:24:40+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/plane-ruled-grating/plane-ruled-grating-900l-mm-400nm-600nm.html</loc>
</url>
<url>
<lastmod>2026-04-20T07:43:23+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/precautions-for-daily-use-of-reflective-gratin-17838147063882752.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/introduction-to-holographic-gratings-17838147234898944.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/applications-of-gratings-17838147567576064.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/the-core-function-of-transmission-grating-17838147962643456.html</loc>
</url>
<url>
<lastmod>2026-04-20T07:44:43+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/industry-standards-and-market-trends-for-trans-17838148003832832.html</loc>
</url>
<url>
<lastmod>2026-04-20T07:45:22+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/industry-value-and-standards-of-reflection-gra-17838149049820160.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/performance-advantages-and-application-scenari-17838149108687872.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/maintenance-of-fiber-optic-delay-lines-17838150310110208.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/introduction-to-fiber-optic-delay-lines-17838150409036800.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/methods-for-fabricating-holographic-gratings-17838150809314304.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/challenges-and-solutions-of-reflection-grating-17838150918972416.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/technical-principles-and-classification-of-fib-17838152148378624.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/warranty-period-and-precautions-for-fiber-opti-17838152292213760.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/holographic-grating-usage-steps-17838154678428672.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/technical-principle-of-transmission-grating-17838157001106432.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/features-of-reflection-gratings-17838158067426304.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/application-scenarios-and-industry-trends-of-r-17838160050922496.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/application-areas-of-fiber-optic-delay-lines-17838161240810496.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/precautions-for-using-reflective-gratings-17838170794910720.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/factors-affecting-the-lifespan-of-fiber-optic-17838185818186752.html</loc>
</url>
<url>
<lastmod>2026-05-19T08:42:17+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/news/juyao-optics-explores-future-trends-at-laser-w-17865159497147392.html</loc>
</url>
<url>
<lastmod>2026-04-16T01:57:54+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/holographic-grating-usage-techniques-17838177840030720.html</loc>
</url>
<url>
<lastmod>2026-04-16T01:57:54+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/features-of-holographic-gratings-17838166816039936.html</loc>
</url>
<url>
<lastmod>2026-04-16T01:57:54+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/application-scenarios-of-transmission-gratings-17838164826465280.html</loc>
</url>
<url>
<lastmod>2026-04-16T01:57:54+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/the-principle-of-reflection-gratings-17838163299247104.html</loc>
</url>
<url>
<lastmod>2026-04-16T01:57:54+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/introduction-to-reflection-gratings-17838161410450432.html</loc>
</url>
<url>
<lastmod>2026-04-16T01:57:54+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/working-principle-of-holographic-gratings-17838161391739904.html</loc>
</url>
<url>
<lastmod>2026-04-16T01:57:54+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/analysis-of-the-market-potential-and-developme-17838160623412224.html</loc>
</url>
<url>
<lastmod>2026-04-16T01:57:54+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/selection-and-precautions-for-fiber-optic-dela-17838158258480128.html</loc>
</url>
<url>
<lastmod>2026-04-16T01:57:54+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/holographic-grating-fabrication-technology-17838158046667776.html</loc>
</url>
<url>
<lastmod>2026-04-16T01:57:54+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/daily-maintenance-guide-for-holographic-gratin-17838158044275712.html</loc>
</url>
<url>
<lastmod>2026-04-16T01:57:54+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/application-scenarios-and-industry-standards-o-17838157632644096.html</loc>
</url>
<url>
<lastmod>2026-04-16T01:57:54+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/the-principle-of-grating-engraving-17838157004252160.html</loc>
</url>
<url>
<lastmod>2026-04-16T01:57:54+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/advantages-of-fiber-optic-delay-lines-17838156814902272.html</loc>
</url>
<url>
<lastmod>2026-04-20T07:53:08+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/the-function-of-fiber-optic-delay-lines-17838156814410752.html</loc>
</url>
<url>
<lastmod>2026-04-16T01:57:54+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/function-of-reflective-grating-17838156380103680.html</loc>
</url>
<url>
<lastmod>2026-04-20T07:51:25+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/holographic-grating-design-concept-17838155036664832.html</loc>
</url>
<url>
<lastmod>2026-04-16T01:57:54+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/technical-parameters-and-performance-indicator-17838154950173696.html</loc>
</url>
<url>
<lastmod>2026-04-16T01:57:54+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/working-environment-of-reflection-grating-17838154791773184.html</loc>
</url>
<url>
<lastmod>2026-04-16T01:57:54+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/analysis-of-the-requirements-for-light-source-17838152921408512.html</loc>
</url>
<url>
<lastmod>2026-04-20T07:49:01+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/info/material-selection-for-reflective-gratings-17838152278598656.html</loc>
</url>
<url>
<lastmod>2026-04-21T00:47:28+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/blog/how-does-the-polarization-effect-affect-the-performance-of-a-visible-ruled-3675050.html</loc>
</url>
<url>
<lastmod>2026-04-21T00:47:58+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/blog/how-does-temperature-affect-a-spectrometer-grating-3675067.html</loc>
</url>
<url>
<lastmod>2026-04-21T00:48:26+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/blog/how-to-ensure-the-safety-of-operators-when-using-a-ruled-grating-3675081.html</loc>
</url>
<url>
<lastmod>2026-04-21T00:49:08+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/blog/what-are-the-effects-of-scratches-on-the-performance-of-a-ruled-grating-3675106.html</loc>
</url>
<url>
<lastmod>2026-04-22T19:53:49+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/blog/what-is-the-efficiency-of-a-ruled-diffraction-grating-3716634.html</loc>
</url>
<url>
<lastmod>2026-04-22T19:54:27+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/blog/how-to-select-the-spectral-range-of-a-ruled-grating-3716658.html</loc>
</url>
<url>
<lastmod>2026-04-22T19:55:15+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/blog/how-do-broadband-gratings-work-in-optical-coherence-tomography-oct-3716688.html</loc>
</url>
<url>
<lastmod>2026-04-22T21:08:51+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/blog/2026-top-10-uv-plane-grating-factory-in-china-3717082.html</loc>
</url>
<url>
<lastmod>2026-04-23T19:40:16+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/blog/what-are-the-requirements-for-using-a-spectrometer-plane-grating-in-fluorescence-3740878.html</loc>
</url>
<url>
<lastmod>2026-04-23T19:41:06+08:00</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
<loc>https://sk.jyoptix.com/blog/what-is-the-maintenance-of-a-spectrometer-plane-grating-3740909.html</loc>
</url>
</urlset>