k9材料的窗口在330nm-2100nm的波段范围内有较高的透过率， 该窗口镀上增透膜后，透过率可以在99.5%以上。
产品参数：
材料：k9
尺寸容差：+0.0/-0.15mm
表面精度：λ/4 @632.8nm
光洁度：40-20
中心偏差：
通光孔径：>90%
倒边：0.25mm×45°
part number                     diameter(mm)                          thickness(mm)  
               lowb6-2                           6.00                               2.00
               lowb10-3                         10.00                               3.00
               lowb12.7-3                         12.70                               3.00
               lowb12.7-5                         12.70                               5.00
               lowb15-3                         15.00                               3.00
               lowb15-5                         15.00                               5.00
               lowb20-3                         20.00                               3.00
               lowb20-5                         20.00                               5.00
               lowb25.4-3                         25.40                               3.00
               lowb25.4-5                         25.40                               5.00
               lowb30-3                         30.00                               3.00
               lowb30-5                         30.00                               5.00
               lowb38.1-3                         38.10                               3.00
               lowb38.1-5                         38.10                               5.00
               lowb40-5                         40.00                               5.00
               lowb40-8                         40.00                               8.00
               lowb50.8-5                         50.80                               5.00
               lowb50.8-8                         50.80                               8.00
               lowb75-5                         75.00                               5.00
               lowb75-10                         75.00                              10.00
               lowb100-10                       100.00                              10.00
               lowb100-12                       100.00                              12.00
               lowb150-20                       150.00                              20.00
               lowbs4-2                     4.00*4.00                               2.00
               lowbs5-2                     5.00*5.00                               2.00
               lowbs6-3                     6.00*6.00                               3.00
           lowbs12.7-3                   12.70*12.70                               3.00
              lowbs15-3                   15.00*15.00                               3.00
              lowbs20-3                   20.00*20.00                               3.00
           lowbs25.4-3                   25.40*25.40                               3.00
              lowbs30-5                   30.00*30.00                               5.00
           lowbs38.1-5                   38.10*38.10                               5.00
             lowbs40-5                   40.00*40.00                               5.00
           lowbs50.8-8                   50.80*50.80                               8.00
             lowbs75-8                   75.00*75.00                               8.00
           lowbs100-12                100.00*100.00                             12.00

---

北京莱腾奥光电科技有限公司
赵
15901091257
北京市平谷区兴谷经济开发区21号