【摘要】 本文介绍一种新型的反射式场镜的设计。该场镜除了具有透射式场镜的作用外，同时还起扩束作用更多还原

【Abstract】 The design of a new kind reflective field lens is introduced in this paper. This field lens has a particular effect broadening band in addition to the normal action of transmissive field lens in the optical system.更多还原