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A multimode, step-profile fibre has a core radius of 50 microns, a core index of 1.52 and a cladding index of 1.50.
(a) If the fibre end-face is excited by a source with a wavelength of 850nm, what is the maximum number of bound modes that can be excited?
(b) What is the minimum number of bound modes that will be excited regardless of the wavelength of the source?
(c) If the fibre in (a) is now illuminated simultaneously by 2 sources that emit light at wavelengths of 1,300 and 1,550nm, respectively, what is the total number of different modal states that can be excited?
Specified the expression below valid for points in the x-y plane what is the y-component of the electric field valid for points on the y-axis?
Portrayed is a ray from an object which heads toward and then into a lens. Suppose if the ray is a principal ray where does it go from there? Ans: This is the simple p
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The electrostatic shielding may be found by protecting and enclosing the sensitive instruments inside a hollow conductor due to inside hollow conductors, electric fields is zero.
Some experiments with soap films Make the following forms from wire. Dip the several forms in the thick soap solution and view the films. Dip the wire form with the slider i
Inductors can be classified on the basis of nature of value and type of core used. Different type of inductors based on the type of core is: AIR CORE INDUCTORS: Air core coils
i need an assignment on spectrophotometer
PRINCIPLES OF OPERATING DEPLETION MOSFET
Question: In diffraction experimentation monochromatic light which passes through a single slit illuminates a screen. A pattern of fringes seems on the screen. The pattern comp
1. What are multipoint constraints? 2. What is the difference between an RBE2 and RBE3? When is one use over the other? 3. What is the difference between an isotropic, othrot
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