sapphire glass ball,diameter10mm Al2O3 single crystal ball lens ,Ruby ball ,dia10mm sapphire half ball ,Al2O3 single crystal lens by customized
1. Sapphire Ball Feature
Balls＆balls measuring head jewels are made of synthetic sapphire/ruby. It is largely used in
heavily corrosive environment and optical fiber communication because of its anticorrosion,
wearable and fine transmission characteristics. Balls measuring head jewels are used as insulated
measure head on precise instruments.
The level of optical sphere lens is up to level 3, the ball diameter from0.4-250 mm,the tolerance
is ±0.001. Application is mainly used in laser, optical communication, infrared applications,
and medical imaging, photovoltaic industry, and other fields. We can provide the optical
communication spherical lens, sapphire ball lens, zinc selenide ball lens,K lens,calcium fluoride,
germanium silicate glass ball, zinc selenide glass lens. technological level
of quality can be better than Japan, Germany.
Commen Sapphire Ball Specifications
| Products | Diameter | Max deviation | Roundness | Diameter of blind holed | Hight of blind holed |
| Balls | 0.50 ~ 1.20 | ±0.00254 | G15 | 0.40 ~ 0.80 | SΦ/2 |
| 1.20 ~ 8.00 | ±0.00254 | G5 | 0.80 ~ 5.00 |
| 8.00 ~ 50.00 | ±0.00254 | G10 | 3.00 ~ 7.00 |
| Surface | Surface roughness: Rz0.1, Surface quality S/D: 40/20 |
other Material also is ok
Sapphire/ruby,natural agate,SiC,ceramic, crystallite glass,Si3N4,spinel, hard alloy etc.
Produce according to specific requirements and drawings, and also can design products for customers.
2. Feature of our Optical synthetic Sapphire crystal
Sapphire is a single crystal form of AL2O3.Single crystal
sapphire possesses a unique combination of excellent
optical, physical and chemical properties. Sapphire
retains its highstrength at high temperature, has
good thermal properties and excellent transparency.
It is chemically resistant to common acids and alkali
working temperature up to 2000℃. These properties
encourge its wide use in hostile environment where
optical transmission in the range from untraviolet to mid-infrared.
2: Materials characteristic
| | B270 | CaF2 | Ge | MgF2 | N-BK7 | Sapphire | Si | UV Fused Silica | ZnSe | ZnS |
| Refractive index (nd) | 1.523 | 1.434 | 4.003 | 1.413 | 1.517 | 1.768 | 3.422 | 1.458 | 2.403 | 2.631 |
| Coefficient of dispersion (Vd) | 58.5 | 95.1 | N/A | 106.2 | 64.2 | 72.2 | N/A | 67.7 | N/A | N/A |
| Density(g/cm3) | 2.55 | 3.18 | 5.33 | 3.18 | 2.46 | 3.97 | 2.33 | 2.20 | 5.27 | 5.27 |
| TCE(μm/m℃) | 8.2 | 18.85 | 6.1 | 13.7 | 7.1 | 5.3 | 2.55 | 0.55 | 7.1 | 7.6 |
| Soften Temperature(℃) | 533 | 800 | 936 | 1255 | 557 | 2000 | 1500 | 1000 | 250 | 1525 |
| Knoop hardness (kg/mm2) | 542 | 158.3 | 780 | 415 | 610 | 2200 | 1150 | 500 | 120 | 120 |
Sapphire Adbvantage
High working temperature
Good thermal conducitivity
Superior machanical properties
High anti corrosion
Stable dielectric constant&low dielectric loss
Excellent light transmission
Sample In Details
QC. Standard for sapphire
About ZMKJ company
Advantages of us
1. 5 years experiences on Sapphire glass manufacturing and exporting.
2. Top quality glass with CE,CCC certificate, exporting to more 80 countries in the world.
3. from sapphire crystal to sapphire polished wafer all equipment we all have
4. we provide good quality guarantee for 1year
6. Professional sales team, offering personalized and dedicated 24 hours services.
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Wearable Sapphire Parts , Ruby Ball With Fine Transmission Characteristics Images
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