1. Suppose an object with a feature size of a = 50 µm is imaged with magnification 1 by an ideal lens with f = 20 cm and diameter D = 2 cm. In order to calculate the image field, should you use ray optics, the Fresnel approximation, or the Fraunhofer approximation? Assume light with wavelength 500 nm.
1. Suppose an object with a feature size of a = 50 µm is imaged with magnification 1 by an ideal lens with f = 20 cm and diameter D = 2 cm. In order to calculate the image field, should you use ray optics, the Fresnel approximation, or the Fraunhofer approximation? Assume light with wavelength 500 nm.
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Transcribed Image Text:1. Suppose an object with a feature size of a = 50 µm is imaged with magnification 1 by an
ideal lens withf = 20 cm and diameter D = 2 cm. In order to calculate the image field, should
you use ray optics, the Fresnel approximation, or the Fraunhofer approximation? Assume
light with wavelength 500 nm.
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