Product type: Silicon Carbides Crystals. Application: Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass, Astronomy, Medicine, Biology, Communication, Milit. Model: RAY-XS152#.
Overview
Silicon Carbides/Silicon Carbides Optical Materials/Sic Mirrors/Sic Lens/Optical Sic is an optical mirror made from Silicon Carbides. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
Substrate
Silicon Carbides
Type
Silicon Carbides Crystals
Clear Aperture
99%
Application
Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass, Astronomy, Medicine, Biology, Communication, Milit
Model NO.
RAY-XS152#
Thermal Diffusivity
0.58
Thermal Conductivity
109.4
Area Density
43kg/M2
Surface Shape Accuracy
RMS 0.022lambda(Lambda=632nm)
Surface Shape
PV 0.097lambda; RMS0.008lambda;
Surface Roughness
Rq 0.301nm
Products Name
Silicon Carbides
Main Characteristics
1).Low moment of inertia
Thermal Properties
I
Mechanical Properties
I
Optical Properties
I
Main Applying Fields
A
pplying Fields
1).High energy laser mirrors
ain Cooperation Materials Manufacturers
CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,C-LASER,ETC
Supplier
Shanghai Rui Tai Photoelectric Technology Co., Ltd.
Technical data
Items
Value
Specific heat [J/kg·K]
-200°C: 42
20°C: 680
500°C: 1040
1000°C: 1180
Thermal diffusivity [cm-2 · S-1]
0.58
Thermal conductivity [w / (m · K)]
109.4
Items
Value
Modulus of elasticity [GPA]
278.57
Bending Strength [MPa]
398.94
Posssion's Ration u
0.172
Fracture toughness [MPa · M1/2]
3.08
Coefficient of thermal expansion [k-1]
2.6*10-6
Density [g /cm3]
2.83
Items
Value
Area density
43kg/m2
Surface shape accuracy
RMS 0.022λ(λ=632nm)
Clear aperture
99%
Surface shape
PV 0.097λRMS0.008λ
Surface roughness
Rq 0.301nm
What to specify when you request a quote
Material — listed as “Silicon Carbides”; name the glass or crystal.Geometry — give diameter, focal length or radii, angles and tolerances.Surface figure — listed as “RMS 0.022lambda(Lambda=632nm)”; quote surface figure (λ) and scratch-dig.Centring and edges — state centration and edge chamfer.Coating — list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica Windows for UV and Laser Optical Systems . How parts like this are machined and finished is covered in Laser Assisted Glass Cutting for Tight Tolerance Parts . For an application example, read How to Handle and Maintain Precision Glass Components in Laser Systems . Before sending a drawing, check Technical Guide to Glass Thickness and Flatness Requirements . A related standard product is Laser Beam Splitter Glass Sheet .
FAQ
What is the Silicon Carbides/Silicon Carbides Optical Materials/Sic Mirrors/Sic Lens/Optical Sic made of? expand_more
It is listed as Silicon Carbides. Other grades can be quoted if your application needs different transmission, thermal or chemical properties.
What should I include in a quote request? expand_more
Include material, geometry, surface figure, centring and edges and coating, plus quantity and a drawing if the part is custom.
