An optical fibre core and cladding refractive indices are 1.45 and 1.44 respectively. Compute its numerical aperture.
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A: Given that refractive index of the core n1=1.46Refractive index of medium n2
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- What is the critical angle of optical fiber to glass interface (refractive index of optical fiber=1.44 refractive index of glass= 1.5)The refractive indices of silicate flint glass for wavelengths 400 nm and 700 nm are 1-66 and 161 respectively. Find the minimum angles of deviation of an equilateral prism made of this glass for light of wavelength 400 nm and 700 nm.An optical coating with an index of refraction of 1.23 is applied to glass with an index of refraction of 1.50. If the thickness of this coating is 184nm, what wavelength(s) of visible light in air are most strongly reflected from this surface? Visible wavelengths range from 350nm to 700nm.
- The index of refraction for red light in water is 1.331 and that for blue light is 1.340. If a ray of white light enters the water at an angle of incidence of 73.25°, what are the underwater angles of refraction for the blue and red components of the light? (Enter your answers to at least two decimal places.) (a) blue component °(b) red componentPlease asapLaser light is passed through a angle of incidence in air of 0₁ rod made out of a material with an index of refraction of 1.63, a length L = 45.0 cm, and square cross section of length h = 3.00 mm on a side as shown in the figure. If the light enters at the center of the rod with an 47.5°, determine the number of total internal reflections before it emerges from the opposite end of the rod. 42.0 cm T 3.10 mm
- A multi-mode fiber optic has a core index of n = 1.492 and a cladding index of 1.489. The diameter of the core is 30.0 microns. Monochromatic light is focused into one end of a perfectly straight fiber which is 25.0 km long. What will be the difference in arrival time at the far end of the fiber for the axial and marginal rays?Lunar astronauts placed a reflector on the Moon’s surface, from which a laser beam is periodically reflected. The distance to the Moon is calculated from the round-trip time. What percent error is this, given the average distance to the Moon is 3.84 × 108 m?