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Anisotropic edge enhancement in optical scanning holography with spiral phase filtering_上海光学精密机械研究所

上海光学精密机械研究所 免费考研网/2018-05-06

外文题目: Anisotropic edge enhancement in optical scanning holography with spiral phase filtering
作者: Dobson Kelly K; 贾伟; Poon Ting Chung
刊名: Chin. Opt. Lett.
年: 2016 卷: 14 期: 1 文章编号:10006
英文关键词:

DIFFRACTION; PLANE; LIGHT; PLATE; BEAM; WAVE
英文摘要:
Anisotropic edge enhancement is simulated using a spiral phase plate (SPP) in optical scanning holography (OSH). We propose to use a delta function and an SPP as the pupil functions to realize anisotropic edge enhancement. The interference of these two pupils is used to two-dimensionally scan an object to record its edge-only information. This is done in three ways: first, by shifting the SPP, second, by using two offset SPPs of same charge, and finally, by using two oppositely charged SPPs. Our computer simulations show the capability of selectively enhancing the edges of a given object.


文献类型: 期刊论文
正文语种: English
收录类别: SCIEI
DOI: 10.3788/COL201614.010006


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