| 加工定制：是 | 品牌：optolabs | 型号：MP-CVDD-W-31X9-1-AR |
| 种类：探测器 |
总览
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，高的导热系数（>1800 W/mK，是铜的五倍）宽带光学透明度，极度化学惰性，不受任何酸或其他化学物质的影响。仅在非常高的温度下（T>700°C，含氧环境下）石墨化，在惰性环境中为1500℃）
CVD金刚石微波太赫兹窗片/透镜/分束镜,CVD金刚石微波太赫兹窗片/透镜/分束镜
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
● ***检测
● 红外光学
● 外延基片
技术参数
Property | Value |
Vickers hardness* | 10,000 kg/mm2 |
Young&＃39;s modulus* | 1050 GPa |
Poisson&＃39;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 |
Resistivity | 1013 - 1016 ohmm |
Property | Value |
Transmission | 225nm to far IR , > 70% @ 10?m |
Refractive index | 2.38 @ 10?m, 2.41 @ 500nm |
Absorption coefficient | 0.10 cm-1 @ 10?m |
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 ?m 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 ?m >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)* |
