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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