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High-Purity Synthetic Quartz Glass, JC-Z Series

The high-purity synthetic quartz glass features superior UV transmittance, excellent optical uniformity, no bubbles, and customizable dimensions, making it preferable materials of window, lens, prism, and glass substrate in various fields of precision optics.

Type Bubbles and Inclusions Optic uniformity Hydroxyl content Residual strain Applications
The bubble grade is given
for every 100 cm3
DIN ISO 10110 Stria PV value ppm
(μg/g)		 nm/cm
ZCQ-Z31 1/2x0.01;
no bubbles or inclusions>0.01 (mm)		 -- < 5x10-5 ~1000 < 10 Industrial, Small diameter basic optical applications
ZCQ-Z32 1/2x0.01;
no bubbles or inclusions>0.01 (mm)		 No striae in functional direction < 2x10-5 ~1000 < 10 transmitting, reflective optical applications
ZCQ-Z33 1/2x0.01;
no bubbles or inclusions>0.01 (mm)		 No striae in functional direction < 3x10-6 ~1000 < 5 UV application, wafer substrate
ZCQ-Z34 1/2x0.01;
no bubbles or inclusions>0.01 (mm)		 3D material
No striae in all directions		 < 2x10-6 ~1000 < 5 Lens, prisms, optical structures, swing sensor
ZCQ-Z35 1/2x0.01;
no bubbles or inclusions>0.01 (mm)		 3D material
No striae in all directions		 < 2x10-6 < 600 < 5 Leading edge semiconductor applications, high-power laser
Type Bubbles and Inclusions Optic uniformity Hydroxyl content Residual strain Applications
The bubble grade is given
for every 100 cm3
DIN ISO 10110 Stria PV value ppm
(μg/g)		 nm/cm
ZCQ-Z31 1/2x0.01;
no bubbles or inclusions>0.01 (mm)		 -- < 5x10-5 ~1000 < 10 Industrial, small diameter basic optical applications
ZCQ-Z32 1/2x0.01;
no bubbles or inclusions>0.01 (mm)		 No striae in functional direction < 2x10-5 ~1000 < 10 Transmitting, reflective optical applications
ZCQ-Z33 1/2x0.01;
no bubbles or inclusions>0.01 (mm)		 No striae in functional direction < 3x10-6 ~1000 < 5 UV application, wafer substrate
ZCQ-Z34 1/2x0.01;
no bubbles or inclusions>0.01 (mm)		 3D material
No striae in all directions		 < 2x10-6 ~1000 < 5 Lens, prisms, optical structures, swing sensor
ZCQ-Z35 1/2x0.01;
no bubbles or inclusions>0.01 (mm)		 3D material
No striae in all directions		 < 2x10-6 < 600 < 5 Leading edge semiconductor applications, high-power laser
Mechanical Properties
Mechanical Data ZCQ-Z32~34
Density (g/cm3) 2.201
Modulus of elasticity (MPa) 7.25x104
Poisson's ratio 0.17
Compressive strength (MPa) 1150
Tensile strength (MPa) 50
Bending strength (MPa) 67
Mohs hardness 5.5~6.5
Micro hardness 8000~9000
Refraction Index Dispersion
Abbe constant ZCQ-Z
Vd=(nd – 1)(nF – nC) 67.7±0.6
Dispersion constants (Sellmeier)
B1 4,73115591x10-1
B2 6,31038719x10-1
B3 9,06404498x10-1
C1 1,29957170x10-2
C2 4,12809220x10-3
C3 9,87685322x10-1
Electrical Properties
Dielectric constant (ε) 0-106Hz 3x1010Hz
3.7 3.81
Dielectric strength in kV/cm 20°C 500°C
250-400 40-50
Dielectric loss angle (tg δ) 1KHz 1MHz-109Hz 3x1010Hz
< 5x10-4 < 1x10-4 < 4x10-4
Resistivity in Ω·cm 20°C 100°C 400°C
1x1018 1x1016 1x1010
Resistivity in Ω·cm 800°C 1000°C 1200°C
6.3x106 1x106 1.3x105

Transmittance curve of Synthetic Fused Quartz (Black ZCQ-Z35 Thickness: 1mm; Red ZCQ-Z35 Thickness: 10mm; Blue ZCQ-Z34 Thickness:10mm)

High-Purity Synthetic Quartz Glass, JC-Z Series
Chemical Composition of High-Purity Quartz
Element Al Fe Ca Mg Ti Ni Mn Cu Li Na K Co B Total
ppm ~0.3 ~0.01 ~0.02 ~0.01 ~0.01 ~0.01 ~0.07 ~0.01 ~0.10 ~0.30 ~0.03 ~0.02 ~0.10 ~1.00
Optical Constant
22C
Nc Nd Nf N351 N1053
1.45659 1.45871 1.46340 1.47932 1.45328
Vd=67.8091716
Index of Refraction
Wave-length Refractive index Wave-length Refractive index Wave-length Refractive index Wave-length Refractive index
0.170 1.615 0.590 1.459 1.200 1.448 2.400 1.432
0.185 1.575 0.656 1.457 1.300 1.447 2.500 1.430
0.200 1.550 0.700 1.456 1.400 1.448 2.600 1.428
0.214 1.534 0.766 1.541 1.500 1.445 2.700 1.426
0.254 1.505 0.800 1.454 1.600 1.444 2.800 1.424
0.280 1.494 0.863 1.452 1.700 1.442 2.900 1.422
0.312 1.487 0.900 1.452 1.800 1.441 3.000 1.420
0.365 1.475 0.950 1.452 1.900 1.440 3.100 1.417
0.405 1.470 1.000 1.451 2.000 1.438 3.200 1.415
0.434 1.467 1.050 1.450 2.100 1.437 3.300 1.412
0.486 1.465 1.100 1.449 2.200 1.435 3.400 1.410
0.546 1.460 1.150 1.449 2.300 1.434 3.500 1.406
Related Quartz Products
Highly Purity Synthetic Fused Silica is available with 4 series