Specifications

1 High Precision
2 Competitive Price
3 Quick Delivery
4 Custom Size Available
5 Good service

Description:

Specifications

1.Diameter :10.00~30.00mm
2.THK: 1.50~3.00
3.Shape:customized
4.Flatness:L/20
5.Samples time: 25-30days in general

 

highly cost effective optical aspheric lens  

 

 

Sdhengjing offers all kinds of specified sapphire optical window, sapphire discs, sapphire LED substrates, sapphire

lens, sapphire prisms, sapphire & ruby ball, sapphire rods, sapphire laser sticks, and special sapphire components,

etc. The product is mainly applied in mechanical instrumentation, optical instrument, medical hairdressing apparatus,

teaching and scientific research instrument, semiconductor, laser technology, military and aerospace high-tech areas,

etc.

 

Material Characteristics

 

Material	Sapphire(Al2O3)
Density(20°C) Kg/m3	3.98×103
Crystal Structure	hexagonal
Crystal lattice constant	a=4.785Å c=12.991 Å
Mohs hardness	9
Melting Point	2045°C
Boiling Point	3000°C
Coefficient of Thermal Expansion	α=5.8×10 -6 /K
Specific heat	0.418W.s/g/k
Thermal conduction	25.12W/m/k(@100°C)
Refractive Index (nd)	no=1.768
	ne=1.76
dn/dt	13×10-6/K(@633nm)
Tranmission	T≈80%(0.3~5um)
Permittivity	11.5(//c), 9.3(⊥c)

 

 

Paramters of Sapphire Mirrors 

 

Diameter Range (mm)	10.00~30.00
Diameter Tolerance (mm)	±0.05
Thickness Range(mm)	1.50~3.00
Thickness Tolerance (mm)	±0.05
Clear Aperture	80%~99%
Surface Accuracy(@632.8nm)	λ~λ/20 per 25mm
Surface Roughness	0.1μm per Inch
Surface Quality	80/50,60/40,40/20,20/10,10/5
Parallelism (arc minutes)	≤3.5
Orientation of Axis	Random
Coating	According to customer requirement

 

 

 

About Us:

 

We are specialized in the production of various specifications of optical components according to the customers' demand,  And we are committed our standard more than eight years to offering our customers with excellent products, reasonable prices and high level of service.