Acta Optica Sinica, Volume. 1, Issue 1, 89(1981)
A Fourier transform doublet lens
A Fourier transform lens of the doublet type with small air separation is described. The anomalous combination of glasses is used to reduce the Petzval sum, while a proper amount of spherical aberration and coma is held to control the astigmatism. The image quality is diffraction limited in both input and frequency planes at f/10.
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WANG MINQIANG. A Fourier transform doublet lens[J]. Acta Optica Sinica, 1981, 1(1): 89