Recording of high spatial frequency using two confocal lenses in-digital holography

Authors
Kim, SKChoi, HHKim, JSSon, JY
Issue Date
2003-11
Publisher
INST PURE APPLIED PHYSICS
Citation
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, v.42, no.11, pp.6935 - 6936
Abstract
The angle of an incoming laser light ray is reduced by an amount equal to the ratio of focal lengths of two confocal lenses. This lowers the spatial frequency of the interference pattern. By using an optical setup of confocal lenses, the area of the zero-order diffraction is reduced by the square of the ratio of the two focal lengths during numerical reconstruction..
Keywords
digital holography; spatial frequency; image acquisition; interference; CCD
ISSN
0021-4922
URI
https://pubs.kist.re.kr/handle/201004/138124
DOI
10.1143/JJAP.42.6935
Appears in Collections:
KIST Article > 2003
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