{"id":2046,"date":"2026-01-21T03:39:35","date_gmt":"2026-01-21T03:39:35","guid":{"rendered":"https:\/\/www.sapphire-windows.com\/?post_type=product&p=2046"},"modified":"2026-01-21T03:39:35","modified_gmt":"2026-01-21T03:39:35","slug":"customized-ruby-optical-windows-high-hardness-dsp-laser-transmission-%e2%89%a585","status":"publish","type":"product","link":"https:\/\/www.sapphire-windows.com\/th\/product\/customized-ruby-optical-windows-high-hardness-dsp-laser-transmission-%e2%89%a585\/","title":{"rendered":"\u0e2b\u0e19\u0e49\u0e32\u0e15\u0e48\u0e32\u0e07\u0e2d\u0e2d\u0e1b\u0e15\u0e34\u0e04\u0e31\u0e25\u0e23\u0e39\u0e1a\u0e35\u0e49\u0e41\u0e1a\u0e1a\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e40\u0e2d\u0e07 | \u0e01\u0e32\u0e23\u0e2a\u0e48\u0e07\u0e1c\u0e48\u0e32\u0e19\u0e40\u0e25\u0e40\u0e0b\u0e2d\u0e23\u0e4c DSP \u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e2a\u0e39\u0e07 \u226585%"},"content":{"rendered":"

The Customized Ruby Optical Window is a high-performance optical component precision-engineered from synthetic ruby (Cr\u00b3\u207a-doped \u03b1-Al\u2082O\u2083 single crystal). Designed for demanding optical applications, it combines the exceptional mechanical hardness, thermal stability, chemical resistance, and broad-spectrum transmittance of ruby with tailored geometries for specialized laser and high-temperature systems.<\/p>\n

Unlike standard optical glass, ruby optical windows provide superior environmental durability, scratch resistance, and laser damage tolerance, ensuring reliable protection of internal optical components in high-power lasers, industrial furnaces, aerospace systems, and extreme environmental monitoring devices.<\/p>\n

\"\" \"\" \"\"<\/p>\n

\u0e02\u0e49\u0e2d\u0e21\u0e39\u0e25\u0e08\u0e33\u0e40\u0e1e\u0e32\u0e30\u0e17\u0e32\u0e07\u0e40\u0e17\u0e04\u0e19\u0e34\u0e04<\/h2>\n
\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0e1e\u0e32\u0e23\u0e32\u0e21\u0e34\u0e40\u0e15\u0e2d\u0e23\u0e4c<\/th>\n\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14<\/th>\n<\/tr>\n<\/thead>\n
\u0e27\u0e31\u0e2a\u0e14\u0e38<\/td>\nSynthetic ruby (Cr\u00b3\u207a-doped \u03b1-Al\u2082O\u2083 single crystal)<\/td>\n<\/tr>\n
Crystal Structure<\/td>\nHexagonal<\/td>\n<\/tr>\n
Lattice Constants<\/td>\na = 4.758 \u00c5, c = 12.991 \u00c5<\/td>\n<\/tr>\n
\u0e04\u0e27\u0e32\u0e21\u0e2b\u0e19\u0e32\u0e41\u0e19\u0e48\u0e19<\/td>\n3.98 \u0e01\u0e23\u0e31\u0e21\/\u0e25\u0e39\u0e01\u0e1a\u0e32\u0e28\u0e01\u0e4c\u0e40\u0e0b\u0e19\u0e15\u0e34\u0e40\u0e21\u0e15\u0e23<\/td>\n<\/tr>\n
\u0e08\u0e38\u0e14\u0e2b\u0e25\u0e2d\u0e21\u0e40\u0e2b\u0e25\u0e27<\/td>\n2040\u00b0C<\/td>\n<\/tr>\n
\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e42\u0e21\u0e2b\u0e4c\u0e2a<\/td>\n9<\/td>\n<\/tr>\n
\u0e2a\u0e31\u0e21\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e4c\u0e01\u0e32\u0e23\u0e02\u0e22\u0e32\u0e22\u0e15\u0e31\u0e27\u0e17\u0e32\u0e07\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19<\/td>\n6.5\u20138.4 \u00d7 10\u207b\u2076 \/\u00b0C<\/td>\n<\/tr>\n
\u0e01\u0e32\u0e23\u0e19\u0e33\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19<\/td>\n52 W\/m\/K<\/td>\n<\/tr>\n
Specific Heat<\/td>\n0.42 J\/g\/K<\/td>\n<\/tr>\n
\u0e0a\u0e48\u0e27\u0e07\u0e01\u0e32\u0e23\u0e2a\u0e48\u0e07\u0e01\u0e33\u0e25\u0e31\u0e07<\/td>\n400\u20131500 nm (visible to near-IR)<\/td>\n<\/tr>\n
Vision Light Transmissivity<\/td>\n\u226585%<\/td>\n<\/tr>\n
\u0e1c\u0e34\u0e27\u0e2a\u0e33\u0e40\u0e23\u0e47\u0e08<\/td>\nDouble-Side Polished (DSP), Ra <5 nm<\/td>\n<\/tr>\n
Laser Damage Threshold<\/td>\n>10 kW\/cm\u00b2<\/td>\n<\/tr>\n
Emission Peak<\/td>\n795 nm<\/td>\n<\/tr>\n
Absorption Peak<\/td>\n488 nm<\/td>\n<\/tr>\n
\u0e14\u0e31\u0e0a\u0e19\u0e35\u0e2b\u0e31\u0e01\u0e40\u0e2b<\/td>\n1.76 at 800 nm<\/td>\n<\/tr>\n
Thickness & Size<\/td>\nCustomized, polished to optical tolerance<\/td>\n<\/tr>\n
\u0e1a\u0e23\u0e23\u0e08\u0e38\u0e20\u0e31\u0e13\u0e11\u0e4c<\/td>\nClass 100 cleanroom<\/td>\n<\/tr>\n
\u0e01\u0e32\u0e23\u0e23\u0e31\u0e1a\u0e23\u0e2d\u0e07<\/td>\nRoHS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

\u0e04\u0e38\u0e13\u0e2a\u0e21\u0e1a\u0e31\u0e15\u0e34\u0e40\u0e14\u0e48\u0e19<\/h2>\n
    \n
  1. \n

    \u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e2a\u0e39\u0e07\u0e1e\u0e34\u0e40\u0e28\u0e29 & \u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e01\u0e32\u0e23\u0e2a\u0e36\u0e01\u0e2b\u0e23\u0e2d<\/p>\n

      \n
    • \n

      Mohs hardness 9, 20\u00d7 more scratch-resistant than conventional optical glass.<\/p>\n<\/li>\n

    • \n

      Resists sand, dust, and mechanical abrasion for long-term optical clarity.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

    • \n

      Broad Optical Transmission<\/p>\n

        \n
      • \n
        \n

        85% transmittance in NIR (700\u20131500 nm) and >90% in visible light (400\u2013700 nm).<\/p>\n<\/blockquote>\n<\/li>\n

      • \n

        Supports high-precision laser and sensing systems across UV\u2013NIR spectra.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

      • \n

        Superior Thermal Stability<\/p>\n

          \n
        • \n

          Continuous operation up to 1200\u00b0C, short-term tolerance up to 1500\u00b0C.<\/p>\n<\/li>\n

        • \n

          Low thermal expansion ensures surface accuracy (<\u03bb\/8 @632.8 nm) under rapid heating and cooling.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

        • \n

          Exceptional Chemical & Environmental Resistance<\/p>\n

            \n
          • \n

            Stable in highly acidic (pH 1) to alkaline (pH 14) environments.<\/p>\n<\/li>\n

          • \n

            Ideal for corrosive, high-pressure, or high-humidity conditions.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

          • \n

            Laser Damage Tolerance<\/p>\n

              \n
            • \n

              Can withstand >10 kW\/cm\u00b2, suitable for CO\u2082, YAG, and ultrafast laser applications.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

            • \n

              Precision Manufacturing<\/p>\n

                \n
              • \n

                Produced via Kyropoulos (KY) or Czochralski (Cz) crystal growth methods.<\/p>\n<\/li>\n

              • \n

                Polished to DSP standards for minimal scattering, surface defects, and high optical uniformity.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

                Primary Applications<\/h2>\n
                  \n
                1. \n

                  \u0e23\u0e30\u0e1a\u0e1a\u0e40\u0e25\u0e40\u0e0b\u0e2d\u0e23\u0e4c\u0e01\u0e33\u0e25\u0e31\u0e07\u0e2a\u0e39\u0e07<\/p>\n

                    \n
                  • \n

                    Output windows and protective lenses for resonators.<\/p>\n<\/li>\n

                  • \n

                    Supports CO\u2082, YAG, and fiber laser systems with high energy density.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

                  • \n

                    High-Temperature Industrial Monitoring<\/p>\n

                      \n
                    • \n

                      Observation windows in steelmaking, glass, and chemical furnaces.<\/p>\n<\/li>\n

                    • \n

                      Maintains visibility at temperatures exceeding 1000\u20131500\u00b0C.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

                    • \n

                      \u0e2d\u0e27\u0e01\u0e32\u0e28\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e1b\u0e23\u0e30\u0e40\u0e17\u0e28<\/p>\n

                        \n
                      • \n

                        Spacecraft viewports and missile radomes.<\/p>\n<\/li>\n

                      • \n

                        Withstands aerodynamic heating, particle erosion, and supersonic environmental stress.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

                      • \n

                        Extreme Environment Detection<\/p>\n

                          \n
                        • \n

                          Deep-sea submersibles and nuclear reactor optical access ports.<\/p>\n<\/li>\n

                        • \n

                          Pressure resistance exceeding 1000 atmospheres with stable optical performance.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

                        • \n

                          Scientific & Precision Instruments<\/p>\n

                            \n
                          • \n

                            Laser delivery systems, spectroscopy instruments, and high-precision optical setups.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

                            \u0e04\u0e33\u0e16\u0e32\u0e21\u0e17\u0e35\u0e48\u0e1e\u0e1a\u0e1a\u0e48\u0e2d\u0e22<\/h2>\n

                            Q1: Why use ruby optical windows instead of conventional optical glass?
                            A1: Ruby windows offer 20\u00d7 higher scratch resistance, withstand up to 1500\u00b0C, and maintain >85% transmittance from visible to near-IR, outperforming standard optical glass in harsh conditions.<\/p>\n

                            Q2: Can ruby windows handle high-power laser applications?
                            A2: Yes, these windows have a laser damage threshold exceeding 10 kW\/cm\u00b2, ideal for CO\u2082\/YAG laser systems and precision beam delivery.<\/p>\n

                            Q3: Are custom sizes and shapes available?
                            A3: Absolutely. We support tailored sizes, thicknesses, and double-sided polished surfaces (DSP) to meet specific laser system or instrumentation requirements.<\/p>","protected":false},"excerpt":{"rendered":"

                            Customized ruby optical windows (Cr\u00b3\u207a-doped \u03b1-Al\u2082O\u2083) with Mohs hardness 9, \u226585% transmittance, double-side polished, and high laser damage tolerance for high-power laser systems, aerospace, industrial monitoring, and precision instrumentation.<\/p>","protected":false},"featured_media":2049,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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