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Discover LudwigThe phrase "at normal incidence" is correct and usable in written English.
It is typically used in scientific or technical contexts, particularly in optics or physics, to describe a situation where a wave (like light) strikes a surface at a perpendicular angle.
Example: "The reflectance of the material was measured at normal incidence to ensure accurate results."
Alternatives: "at perpendicular incidence" or "at a right angle".
Exact(60)
To show this different behaviour more clearly, transparency is normalized to its value at normal incidence (θ = 0°).
It was incident from the glass side on the base of the probe at normal incidence.
Degenerate polariton four-wave mixing is obtained by exciting the pillar at normal incidence.
Rockstuhl, C. et al. On the reinterpretation of resonances in split-ring-resonators at normal incidence.
Then, optical reflection measurement of TiO2 films at normal incidence was carried out to obtain refractive indices.
At normal incidence the results are also compared with the results of Kundt tube measurements.
At normal incidence in Fig. 2, the radiation field is radially polarised with a ring-like intensity distribution.
Two absorption peaks higher than 99%and98%8% are obtained at normal incidence.
The absorption at normal incidence was strong in the frequency range of 5.64 21.16 GHz numerically.
Moreover, the optical efficiency of 84.19% is achieved at normal incidence.
The designed structure generates two remarkable transmission peaks with a dip in-between at normal incidence.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com