Cited passages: Boundary-layer Thickness, Skin friction, and Energy dissipation, discussion before equation (79): asymptotic edge and experimental sensitivity of a 99% criterion; Equation (79) and following interpretation of the volume-flux deficit; Equation (80) and interpretation of the momentum-defect flux; Equation (82), dimensional wall shear definition; the coefficient here follows the numerically checked Blasius equation in the stated normalization.
Cited passages: Nick Fang, Review for Optics, 12 May 2014, pp. 7–8, §E(a–b): coherent field and incoherent intensity imaging; Review for Optics, p. 8, §E(b): OTF as Fourier transform of intensity PSF and pupil autocorrelation; Review for Optics, pp. 6–8, §§D(c), E: lens Fourier transform and pupil transfer function.
The notes also use a nondispersive travel-time interpretation; this enrichment limits that interpretation explicitly rather than applying it to arbitrary dispersive media.
Cited passages: Nick Fang, Lecture Notes on Geometrical Optics, page 4, equation 1: optical path integral.
Cited passages: Nick Fang, MIT Lecture Notes on Geometrical Optics, 2014, introduction and §H; Nick Fang, MIT Lecture Notes on Geometrical Optics, 2014, §J: Composite lenses; Nick Fang, MIT Lecture Notes on Geometrical Optics, §H: Magnification; Nick Fang, MIT Lecture Notes on Geometrical Optics, §J: Composite lenses; Nick Fang, MIT Lecture Notes on Geometrical Optics, §§E–G; Nick Fang, MIT: Geometrical optics; Nick Fang, MIT: Geometrical optics, pages 1-3.

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