Assignment Task
Task
1- The Sellemeier dispersion equation for fused silica can be calculated by, (” A:)-67.0684166304232 0.1162624’1V A?79.487971A6212) where n(A) is the refractive index at wavelength A and A is in pm. (a) The numerical aperture of an optical fiber with a core diameter of approximately 9prn is approximately 0.1 at A = 1.55pm. (i) Calculate the refractive index of core of the optical fibre
(ii) Calculate angle of the out.going light from the optical fibre
(iii) You wish to collimate the light fromt the fibre by using a biconvex thin lens as shown in Figure g
(iv)By using ray transfer matrix analysis, calculate the curvature required to colli-mate the light to get an output diameter of d = 10 mm, assuming = 1.5. (30 marks)
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