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optical quartz glass

1. Optical quartz glass Sizes and technical requirements determined by the customer, we guarantee the quality of the product! Usage: optical quartz glass can be used to produce a variety of optical lenses, prisms and windows and other optical parts, according to their different sections of the transmittance spectrum is divided into the following three varieties: JGS1: the far ultraviolet quartz glass JGS2: ultraviolet quartz glass JGS3: infrared optical quartz glass Optical quartz glass because of its special nature, can also be used in the special environment of the high-temperature and high-energy radiation, to ensure a high degree of stability. Optical performance:1.1 Index of refraction Each spectral codeGlass type ∩g ∩F ∩e ∩d ∩D ∩c JGS1 1.46669 1.46314 1.46007 1.45847 1.45637 JGS2 1.46679 1.46324 1.46021 1.45857 1.45646 JGS3 1.46679 1.46324 1.46021 1.45857 1.45646 1.2 The average transmittance of ultraviolet and infrared wavelengths%(Sample 10mm thick) Wavelength(nm) Glass type 185 220 240 300 2500 2700 2800 The scope of application of spectral bands(nm) ※JGS1 >85 >85 >87 >90 185~2500 JGS2 >80 >75 >80 220~2500 JGS3 >50 >80 >85 >75 >75 260~3500 Optical uniformity and stripes degrees meet the optical glass standard Physical properties: average linear expansion coefficient at 0 ~ 1000 ℃ 5.4 × 10 ˉ 7 / ℃, different temperatures, the thermal expansion coefficient of the quartz glass are shown in Table: nature Glass type Density(g/cm3) Coefficient of linear expansion(α×10ˉ7/℃) 0℃ 50℃ 100℃ 300℃ 500℃ 800℃ 1000℃ ※JGS1 2.201 3.9 4.8 5.15 6.12 5.4 4.65 4.26 JGS2 2.203 3.9 4.8 5.15 6.12 5.4 4.65 4.26 JGS3 2.203 3.9 4.8 5.15 6.12 5.4 4.65 4.26


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