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                      滤光片的截止膜是什么概念

                      2017-11-19 14:51:04 点击:

                      说到滤光片截止膜,首先要提到干涉截止滤光片,它是某一波长范围的光束高透射,而偏离这一波长区域的光束骤然变化为高反射(或称抑制)的滤光片。

                                                                 

                       

                      ➤截止滤光片分类

                       

                      截止滤光片能从复合光中滤掉全部长波或短波,而仅保留自己所需的波段范围。因此可分为短波截止滤光片和长波截止滤光片两种。前者可保留长波段,滤掉所有短波段辐射的光,后者则反之。

                       

                      要求某一波长范围的光束高透射,而偏离这一波长区域的光束骤然变化为高反射(或称抑制)的干涉截止滤光片有着广泛的应用。通常我们把抑制短波区、透射长波区的滤光片称为长波通滤光片。相反,抑制长波区、透射短波区的截止滤光片称为短波通滤光片。

                                                               

                                                                

                       

                      按照作用机理的不同,截止滤波片又可以分为三类——吸收型截止滤波片,薄膜干涉型截止滤波片,吸收与干涉组合型截止滤波片。
                      ➤截止滤光片性能分析

                                   

                                    

                                       

                      ➤干涉截止滤光片

                                     

                                  

                                  

                               

                                     

                                          

                                       

                                     

                                     

                                           

                                    

                                      

                                     

                                    

                                     

                                     


                      深圳市平治光学有限公司:滤光片专业研发制造的信心厂家。

                       

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