Results 201 to 210 of about 139,792 (264)

High-efficiency cellulose acetate/GO/CaCO₃ for solar photodegradation of methylene blue. [PDF]

Sci Rep
Dacrory S, Kamel S.
europepmc   +1 more source

Spontaneous crack healing in calcite reveals the influence of dynamic strain evolution and surface chemistry. [PDF]

Nat Commun
Devoe M, P Lisabeth H, Nakagawa S, Hao Z, Tamura N, Wenk HR.   +5 more
europepmc   +1 more source

Quantitative analysis of light-induced ion segregation in mixed-halide perovskites. [PDF]

J Appl Crystallogr
Machovec P, Horák L, Dopita M, Neykova N, Landová L, Holovský J, Holý V.   +6 more
europepmc   +1 more source

Extending the boundaries of ultraviolet-visible meta-optics via direct imprinting of tantalum pentoxide composite. [PDF]

Microsyst Nanoeng
Lee E, Kang H, Yun H, Rho J.
europepmc   +1 more source

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Upper bound of the diffraction efficiency of diffractive phase elements

Optics Letters, 1991
An upper bound of the diffraction efficiency of diffractive elements that only influence the phase of the illumination wave is derived. The derivation only utilizes the specification of the desired diffraction pattern. It is independent of the technique to design and fabricate the diffractive element.
exaly   +3 more sources

Effects of manufacturing errors on diffraction efficiency for multilayer diffractive optical elements

Applied Optics, 2011
The effect of manufacturing errors on diffraction efficiency for multilayer diffractive optical elements (MLDOEs) used in imaging optical systems is discussed in this paper. The relationship of diffraction efficiency and depth-scaling errors are analyzed for two different cases: the two relative depth-scaling errors change in the same sign and in the ...
Liangliang, Yang, Qingfeng, Cui, Tao, Liu, Changxi, Xue   +3 more
exaly   +3 more sources

Efficiency analysis of diffractive lenses

Journal of the Optical Society of America A, 2001
Multilevel diffractive optical elements are necessary for achieving high-efficiency performance. Here the diffraction efficiency of a multilevel phase-only diffractive lens is analyzed. Approximate, as well as more accurate, approaches are presented. Both plane-wave and Gaussian illumination are discussed.
U, Levy, D, Mendlovic, E, Marom
openaire   +2 more sources