Compute the number of lines per centimeter

Reference no: EM13173703

You would like to create a reflection grating like the one shown at the right, with an incident angle (Î¸) of 43 °. Calculate the number of lines per centimeter that should be etched in the grating for each of the following conditions:

(a) A first order diffraction angle (Î¦) of -33 ° for visible light of 650 nm wavelength.

(b) A first order diffraction angle (Î¦) of -33 ° for infrared light of 2.00 Ã- 10-3 cm wavelength.

Reference no: EM13173703

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