sapphire optical lens Al2O3 single crystal glass sapphire optical glass ingots sapphire rods sapphire optical rods
1. Material description:
Grade: optical grade without bubble,crystal boundary;
Orientations:C-aixs ±1° or A-axis
Size:dia1-50mm±0.01mm
Surface: LP/ polished
SD:60/40 ,or40/20
Roudness:1um
Thermal Properties | |
Thermal Coefficient of Expansion | (0/300°C): 45-53 X 10 -7/°C |
Softening Point | 2040°C / 3700 °F |
Mechanical Properties | |
Density | 3.97 g/cm3 |
Knoop Hardness | 1525-2000 Kg/mm2 |
Young's Modulus | 50-55 X 106 psi / 345 GPa |
Poisson's Ratio | 0.28-0.33 |
Optical Properties | |
Refractive Index | 1.768 |
Electrical Properties | |
Dielectric Constant | Avg. 9.3-11.5 |
Dielectric Strength | 4.8 X 105 v/cm |
Advantage from Comprison with other optical glass
1- Thinner and Stronger than Standard Glass Windows
2- Transmits Wavelengths Ranging From UV to Mid-Infrared
3- Features Extreme Chemical Resistance
4- Extreme surface hardness, high thermal conductivity,
high dielectric constant and resistance
4. About ZMKJ Our Factory
4. Our products in fact
FAQ:
Q1: Can I have samples to test?
A: Yes,we are pleased to supply samples to test and check quality,mixed sample order is available.
Q2: Do you have any MOQ limited? A: Our MOQ: 5pcs Q3: What’s the lead time?
A: Sample :2-3 days.Mass production: 10-30 days.
Q4: How do you ship the goods and how long does it take?
A: We usually ship goods by UPS,FEDEX,TNT by FOB. It usually takes 3-5 days to arrive.
Q5: Do you offer guarantee for your products?
A: After test them if not pass test,you can return the goods at any time, we will re-offer you again
and also bear shipping fee.
Q6: Do you accept OEM?
A: We have our own brand-metalaser. OEM is also acceptable.