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红外用硫化锌窗片

更新时间:2023-08-22

简要描述:

化学气相沉积硫化锌是一种性能优异的红外光学材料,广泛用作红外窗口、球罩和光学元件。

化学气相沉积 ZnS  ( CVD ZnS )

化学气相沉积硫化锌是一种性能优异的红外光学材料,广泛用作红外窗口、球罩和光学元件。

采用自主研发的化学气相沉积技术,以锌和硫化氢气体为原料,生产出了高质量的化学气相沉积硫化锌产品,并可向客户提供标准及多光谱硫化锌产品。

标准硫化锌在8-12μm波段上具有很好的透过率和折射率均匀性,高强度和化学稳定性使其可以再恶劣的环境中使用。

多光谱硫化锌是由标准硫化锌经过热等静压处理获得的,具备从可见光到长波红外波段的全波段透射性能。我们生产的多光谱硫化锌在1.06μm有很高的透过率,能够满足多波段复合的使用要求。

     物理性能                                                                                                              

    元素符号                                                                     ZnS

    晶体结构                                                                     Cubic

    熔点)                                                                     1830

    密度(g/cm3)                                                                4.09

    纯度                                                                          > 99.9995%

    带隙                                                                          3.66eV(@300K)

     光学性能                                                                                                             

    折射率系数(室温20

    FLIR Grade                                                  Water-clear Grade

    Wavelength(μm)               n                            Wavelength(μm)               n

    0.50                             2.419                         0.5086                       2.41279

    0.70                             2.332                         0.7065                       2.33073

    1.00                             2.292                         1.0140                       2.29165

    3.00                             2.257                         3.000                         2.25772

    5.00                             2.246                         5.000                         2.24661

    7.00                             2.232                         8.000                         2.22334

    8.20                             2.221                         10.000                        2.20084

    10.20                           2.198                         11.250                        2.18317

    11.0                             2.186


    吸收系数 (@10.6μm, cm-1)                              ≤ 0.2                        ≤ 0.2

    折射率均匀性 (@0.6328μm)                              < 5×10-5                        < 5×10-5

    热光系数(dn/dt)                                            6.4×10-5(@0.63μm)    5.4×10-5(@0.63μm)

                                                                     4.2×10-5(@1.15μm)    5.0×10-5(@1.15μm)

                                                                     4.6×10-5(@3.39μm)    4.6×10-5(@3.39μm)

                                                                     6.6×10-5(@10.6μm)    4.6×10-5(@10.6μm)

 

    热性能                                                                                                                                    

                                              FLIR Grade                       Water-clear Grade

    热膨胀系数(10-6, -1)              7.85                                  7.85

    断裂模量(Mpa)                        103.4 (@room temperature)    68 (@room temperature)

                                                  160 (@660)                         160 (@600

    热导率 (@300K,Wcm-1.K-1)         0.19                                   0.272

    比热 (Cal/g.K)                          0.112                                 0.124

 

    机械性能                                                                                                                               

    杨氏模量(Gpa)                         74.5                                  74.5

    泊松比                                    0.29                                  0.28

    努式硬度(kg/mm2)                    200-230                             160

     产品说明                                                                                                                  

    形状                                                                圆形:窗口,球面透镜

                                                                           矩形:窗口

                                                                           特殊:头罩,棱镜

    zui大尺寸                                                          圆形:250×12mm

                                                                           矩形:250×200×12mm

                                                                           头罩:300

    公差                                                                 直径:+/- 0.05mm

                                                                            长度和宽度:+/- 0.05mm

                                                                            厚度:+/- 0.05mm

                                                                            口径:+/- 0.05mm

    表面质量                                                           平片:切片

                                                                            抛光窗口/头罩:根据客户需要

 

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