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Strong coupling of collective optical resonances in dielectric metasurfaces. [PDF]
Light Sci ApplAllayarov I +7 more
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Comparison of the visual effects of Fresnel prisms in normal and amblyopic eyes
Journal of AAPOS, 2008To assess the effects of Fresnel prisms on visual acuity and peak contrast sensitivity in the amblyopic and sound eyes of participants with amblyopia and to determine whether these functions were affected by Fresnel prisms to a different degree than those of controls.The LogMAR visual acuity and peak contrast sensitivity of 10 unilateral amblyopic ...
David Wright +2 more
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Contrast sensitivity through hybrid diffractive, Fresnel, and refractive prisms
Optometry - Journal of the American Optometric Association, 2004Fresnel and wedge-shaped refractive prisms are used diagnostically and therapeutically in clinical practice. This article extends the study on the effect of prisms on visual acuity to the effect on contrast sensitivity by membrane Fresnel (F), refractive (R), and newly designed hybrid diffractive (C) prisms (ComPrisms), which combine a wedge-shaped ...
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Machining of linear negative matrices for Fresnel lenses and prisms
Russian Engineering Research, 2016The structure of linear negative matrices for the manufacture of Fresnel lenses and prisms is analyzed. The requirements on the equipment and cutting tool for the machining of negative matrices are discussed. A manufacturing technology for the matrices is outlined, and test results are presented.
S V Grubyi, Grubyi S V
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