Yantai ZK Optics Co., Ltd.
Custom fabrication of high precision glass parts. Spirit of enterprise: Integrity, Pragmatism, Innovation, Win-win, Appreciation. Tenet of enterprise: the Supremacy of Customer, the Excellence in
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Other description: Quartz Flow Tube, Laser Flow Tube, Laser Cavity Filter, Laser Cavity Reflector
Material: Quartz glass
Dimension: Custom length and bore diameter
Holes: Single / Double / Triple Bores
Available material: Borosilicate glass (Pyrex glass), Quartz glass, Cerium Doped Quartz, Europium Doped Quartz, Ti Doped Quartz, Samarium Doped Glass
Function: Transmit deep into the UV range about 200nm.
Application: Candela GentleLase Laser Head Triple Bore. In medical, industrial, and research applications.
Surface: Transparent or grinded
Characteristic: Work in high power and efficiency. Premium quality and long service life.
The laser cavity filters produced by Beijing Zhong Cheng Quartz Glass are in high precision, with strict material selection, high efficiency and long service life, which are well praised by customers.
Material Properties for Quartz Glass
Physical Properties
| Properties | Value | |
| Mechanical Properties | Density | 2.203g/cm3 |
| Compressive Strength | 1100Mpa | |
| Bending Strength | 67Mpa | |
| Tensile Strength | 48.3Mpa | |
| Poisson's Ratio | 0.14～0.17 | |
| Young’s Modulus | 72000Mpa | |
| Rigidity Modulus | 31000Mpa | |
| Mohs Hardness | 5.5～6.5 | |
| Thermal Properties | Deformation Point | 1280℃ |
| Softening Point | 1680℃ | |
| Annealing Point | 1210℃ | |
| Specific Heat (20～350℃) | 670J/kg.℃ | |
| Thermal Conductivity (20℃) | 1.4W/m.℃ | |
| Coefficient of thermal expansion | 5.5×10-7cm/cm.℃ | |
| Hot Work Temperature | 1700～2000℃ | |
| Short-term Use Temperature | 1300℃ | |
| Long-term Use Temperature | 1100℃ | |
| Electrical Properties | Resistivity | 7×107Ω.cm |
| Dielectric Strength | 250～400Kv/cm | |
| ε/ Dielectric Constant | 3.7～3.9 | |
| Dielectric absorption coefficient | <4×104 | |
| Dielectric loss coefficient | <1×104 | |
Chemical Properties
| Solution | Treatment condition | Corrosion capacity |
| H2O | 95℃ 45(Hours) | 1~2×10-7 g/cm2 |
| 98%H2SO4 | 20℃ 2(Hours) | 1.4×10-8 g/cm2 |
| 60%HNO3 | 20℃ 2(Hours) | 5.0×10-8 g/cm2 |
| 36%HCl | 20℃ 2(Hours) | 15×10-8 g/cm2 |
| 5%NaOH | 100℃ 10(Hours) | 1.35×10-3 g/cm2 |
| 1%KOH | 98℃ 2(Hours) | 68×10-6 g/cm2 |
Purity
|
Name | Impurities ppm | ||
| Synthetic (CVD)JGSI | Oxy-hyd melting JGS2 | Electrical melting JGS3 | |
| Al | 0.16 | 17.00 | 14.44 |
| Fe | 0.01 | 0.36 | 1.46 |
| Ca | 0.31 | 1.30 | 2.45 |
| Mg | 0.65 | 0.22 | 0.46 |
| Ti | 0.08 | 1.3 | 4.84 |
| Cu | 0.01 | 0.04 | 0.16 |
| Ni | 0.01 | 0.01 | 0.04 |
| Co | 0.04 | 0.01 | 0.02 |
| Mn | 0.01 | 0.03 | 0.08 |
| K | 0.34 | 0.63 | 2.16 |
| Na | 0.06 | 1.11 | 1.33 |
| Li | 0.01 | 0.63 | 0.81 |
| B | / | 0.08 | 0.05 |
| OH | 1100~1300 | 150~250 | 1~120 |
| SiO2 | >99.999% | 99.99% | 99.92% |
Optical Property