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Gratings are also used to produce interference patterns. When waves are incident on a grating all of the lines act as coherent sources of the waves.

The distance from the outer most ray ot the optical axis is called the transverse spherical aberration (figure 3). There exists a point at which the ...

The focal length of an optical system is a measure of how strongly the system converges or diverges light; it is the inverse of the system's optical power.

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Compared to a double slit, the interference pattern produced by a grating has fewer, more widely spaced points of maximum intensity.

Constructive and destructive interference can be explained in terms of phase and path difference. Interference patterns can be calculated using wavelength, grating spacing and angle of maxima.

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A grating consists of many slits, or lines, close together. In a grating, the spacing between adjacent lines is constant.

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However, water has an absorption minimum in the red region of visible light as well as in the adjacent infrared region of the spectrum (short-wavelength IR -A).

For other orders of maxima, the relationship between the wavelength of light \(\lambda\) and angle \(\theta\) is shown by the equation:

S Sainov · 1989 · 14 — Abstract. A theoretical and experimental investigation is made into the possibility of using a diffraction grating operating in total internal reflection (TIR) ...

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