联系人：筱晓光子-关经理
邮箱：moli@microphotons.com
电话：13061644116
地址： 上海青浦区佳杰路99号长三角漕河泾绿洲智谷A5栋三楼
| 型号 |
MP-CVDD-W-50.8-1 |
数量 |
1 |
筱晓光子 金刚石微波窗片透镜 太赫兹窗口( CVD金刚石 介电等级)
微波等离子体CVD金刚石圆片，掺硼盘（蓝色）、光学级金刚石、机械级、未抛光盘。CVD金刚石最重要的性能是的硬度，极高的导热系数（>1800 W/mK，是铜的五倍）
| Property
|
Value
|
|
Vickers hardness*
|
10,000 kg/mm2
|
|
Young's modulus*
|
1050 GPa
|
|
Poisson's ratio
|
0.1
|
|
Density
|
3.515 g/cm3
|
|
Atom density*
|
1.77×1023 1/cm3
|
|
Thermal expansion coefficient
|
1.0*10-6/K @300K
|
|
Sound velocity*
|
17,500 m/s
|
|
Friction coefficient
|
0.1
|
|
Specific heat @ 20°C
|
0.502 J/gK
|
|
Debye temperature*
|
1860 10K
|
|
|
| Bandgap
|
5.45 eV
|
|
Tensile strength (0.5mm thick)
| |
|
Nucleation surface in tension Growth surface in tension
|
600 MPa 400 MPa
|
|
Loss tangent (tan @140 GHz)
|
< 2.0×10-5
|
|
Dielectric constant
|
5.7
|
| Property
|
Value
|
|
Dimensions
| |
|
Thickness Diameter
|
10 - 2000 μm up to 100 mm
|
|
Surface finish
| |
|
Shape
|
flat, spherical (convex & concave)
|
|
Roughness
|
< 5 nm*
|
|
Flatness
|
1 fringe/cm*
|
|
Wedge
|
0 – 1°*
|
|
Antireflection Coatings (visible and infrared)
| |
|
Spec. Transmission at 10.6 μm >98.6 %
| |
|
Wavefront distortion
| |
|
< 4 fringes at 633 nm over 30 mm*
| |
|
Mounting
| |
|
Diamond windows mounted e.g. in UHV flanges (bakeable at 250°C, vacuum tight < 10-10 mbar l/s)*
| |
金刚石透射曲线图
太赫兹介电性能：
我们提供的金刚石产品包括：
航天用的CVD 金刚石窗片分束镜
高精度抛光金刚石球透镜
CVD 金刚石UHV窗口
高功率CO2激光器窗口
直径80mm的金刚石wafers
高功率X射线窗口
产品特点
● 宽光谱透射范围
● 高透射率
产品应用
● 太赫兹波传输窗片
● X射线检测
● 红外光学
● 外延基片
13061644116