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产品介绍：
CdSe晶体非常适用于制作红外光学元件，偏振片，1/4、1/2波片，分束镜，基底，真空沉积靶材，DFM频率转换器。
产品参数：
结构 | Wurtzite (Hexagonal) |
密度: | 5.81 g/ cm3 |
杨氏模量: | 5×1011 dyne/cm2 |
热膨胀系数 (500 K): | α 1=6.26×10-6/K; |
比热: | 0.49 J/gK |
热导率 (at 25 °C): | 0.04 W/cmK |
最大透过率 (λ =2.5-15 μm): | ≥ 71 % |
吸收系数. (λ =10.6 μm): | ≤ 0.0015 cm-1 (including 2 surfaces) |
折射率 (λ =10.6 μm): | 2.4258 (no), |
电阻率 | a). low: < 1 Ohm*cm |
最大单晶尺寸: | ?40mm X L: 80 mm |
最大红外光学元件尺寸: | ?50mm X L:10 mm OR plate 50 mm X 15 mm X 12 mm |
|
透过率曲线：
| 直径/宽度1-50 mm厚度/长度0.1-150 mm晶向(0001), (10-10), (11-20)表面质量As-cut, 80/50, 60/40 per MIL-0-13830 |
CdSe 棒, 晶圆 和基片 |
CdSe 晶体尺寸 |
| 纯度99.995%, 99.999%颗粒尺寸0.01- 10 mm |
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应用举例
CdSe晶体应用于12.3um波片时，单片晶体的厚度：
λ/2波片@12.3um：
Order: 1 Half-wave plate thickness: 0.3575 [mm]
Order: 2 Half-wave plate thickness: 0.7151 [mm]
Order: 3 Half-wave plate thickness: 1.0726 [mm]
Order: 4 Half-wave plate thickness: 1.4302 [mm]
Order: 5 Half-wave plate thickness: 1.7877 [mm]
Order: 6 Half-wave plate thickness: 2.1453 [mm]
Order: 7 Half-wave plate thickness: 2.5029 [mm]
Order: 8 Half-wave plate thickness: 2.8604 [mm]
Order: 9 Half-wave plate thickness: 3.2180 [mm]
Order: 10 Half-wave plate thickness: 3.5755 [mm]
λ/2波片波片@12.3um：
Order: 1 Quarter-wave plate thickness: 0.1787 [mm]
Order: 2 Quarter-wave plate thickness: 0.3575 [mm]
Order: 3 Quarter-wave plate thickness: 0.5363 [mm]
Order: 4 Quarter-wave plate thickness: 0.7151 [mm]
Order: 5 Quarter-wave plate thickness: 0.8938 [mm]
Order: 6 Quarter-wave plate thickness: 1.0726 [mm]
Order: 7 Quarter-wave plate thickness: 1.2514 [mm]
Order: 8 Quarter-wave plate thickness: 1.4302 [mm]
Order: 9 Quarter-wave plate thickness: 1.6090 [mm]
Order: 10 Quarter-wave plate thickness: 1.7877 [mm]
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