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Ultraviolet transmittance and transmission spectrum of optical quartz glass, JGS1, jgs2 and jgs3

Last updated: 21:58:14, February 11, 2020

Grade and name of optical quartz glass

BrandnameApplication spectrum band range (μ m)
JGS1Far ultraviolet optical quartz glass0.185~2.5
JGS2Ultraviolet optical quartz glass0.220~2.5
JGS3Infrared optical quartz glass0.260~3.5


Classification of JGS1 far ultraviolet optical quartz glass

CategoryTransmittance of 10 mm thick blank
0.185μｍ0.200μｍ0.220μｍ0.240μｍ0.300μｍ0.185~1.2μｍ
1＞85＞85＞85＞87＞90There is no absorption peak
2＞70＞80＞80＞80＞85There is no absorption peak
3
＞70＞70＞70＞80Absorption peak is allowed


Classification of jgs2 ultraviolet optical quartz glass

CategoryTransmittance of 10 mm thick blank
0.220μｍ0.240μｍ0.300μｍ
1＞80＞75＞80
2＞75＞70＞75
3
＞65＞70


Classification of jgs3 infrared optical quartz glass

CategoryTransmittance of 10 mm thick blank
2.0μｍ2.5μｍ2.7μｍ2.8μｍ0.2－2.8μｍ
1＞90＞90＞90＞85There is no absorption peak
2＞85＞85＞85＞80There is no absorption peak
3＞80＞80＞75＞75Absorption peak is allowed


Based on the above information, the UV transmission spectra of optical quartz glass are as follows:

Picture 1.jpg


Reference data of physical and chemical properties of optical quartz glass

Hardness (Mohs): 5.5 linear expansion coefficient (- 60 ~ 120 ℃): 2.1 × 10-7Melting point (℃): 1700

Refractive index: 1.4585 ± 4 × 10-4Middle dispersion: 0.00674 ± 4 × 10-5Dispersion coefficient: 68.0;