What theoretical ratio of high-to-low refractive indices is needed to give at least 90% reflectance in a high-re- flectance stack of two double layers of quarter-wave layers at normal incidence? Assume a substrate of index 1.52.

Q: A laser beam at a wavelength of 1.11 μm is coupled into an optic fiber, resulting in 138.2 mW of…

A: As light travels through a fiber, the light gets attenuated due to losses in the fiber. These…

Q: Consider a thin film of thickness t = 2.30 × 10-6 m and index of refraction ng = 1.20. The film is…

A: From the question, it is given that- Thickness of thin film: t = 2.30×10-6 m Refractive index of…

Q: An optical fibre cable with a core diameter of 1.7 µm operating at a wavelength of 0.8 µm is to be…

A: According to Question, d= 1.7*10-10m Wavelength = 0.8*10-10m  refractive index of the core(n1)=…

Q: a) by ight? (b) Give a diagram showing clearly how coherent sources are produced in a biprism.…

A: Fresnel Bi-prism:  It is an optical device of producing interference of light by joining two bases…

Q: An optical fibre core and cladding refractive indices are 1.555 and 1.542 respectively. Compute its…

A: An optical fibre cable,  Refractive indices of :- Core, n1 = 1.555 Cladding, n2 = 1.542 Numerical…

Q: Light is incident from air onto a flat surface of glass of refractive index nG = 1.55. At normal…

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Q: TM electromagnetic waves incidence from glass medium n1 =1.5 into the air (n2 =1.0) with incidence…

A:

Q: What is the index of refraction of the core of an optical fiber if the cladding has n= 1.30 and the…

A: Given data :             Refractive index of cladding, n2 = 1.30             Critical angle = 41.9°…

Q: Light of wavelength 550 nm is incident within glass of refractive indent nG = 1.50 onto a boundary…

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Q: beam of monochromatic light of the angular divergence in which most of the light is diffracted.…

A: Given value--- wavelength = 450 nm. width =  0.2 mm. We have to find--- Find the angular…

Q: The exact numerical density and refractive indices ofglass can be correlated to ___________ in order…

A: The blank is: frequency of occurence

Q: An incident light, having an initial intensity of 75 Webers per squared meter, passes through two…

A: Initial intensity  I0=75 Wb/m2 Angle made by the polarizer with the horizontal θp=150 Angle made by…

Q: b) For a Prism with refractive index of 1.5 if the SPP to couple of gold/water interface n water…

A: Given: Refractive index of prism is 1.5. nwater=1.3. Angle is 74°. The grating period of the grating…

Q: E-field amplitudes perpendicular and parallel to the plane-of-incidence of 25 V/m and 14 V/m,…

A: Given- Refractive index of sapphire (n) = 1.55 Angle of reflection (θ) = 200 E- Field amplitude for-…

Q: A parallel beam of monochromatic light of wavelength 500nm passes through a slit of width 0. 5mm.…

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Q: What is the longest wavelength that can be observed in the third order for a transmission grating…

A: Normal incidence: A wavefront that is parallel to an interface and has a ray path that is…

Q: Intense white light is incident on a diffraction grating that has 448 lines/mm. (a) What is the…

A: (a) The highest order in which the complete visible spectrum can be seen with this grating can be…

Q: At an 850 nm wavelength, a step-index optical fibre with an 80 um core diameter has a relative…

A: Please see the next step for solution:-

Q: Light is incident from air onto glass of refractive index nG = 1.70; calculate the Brewster angle at…

A: Given in question -  refractive index nG = 1.70 To find - Calculate the Brewster angle(θ).

Q: Non-reflective coating is put on eyeglasses. Magnesium fluoride MgF2 is used. The refractive index…

A: Refrective index (n)= 1.38 Wavelength= 584 nm.

Q: In the configuration shown in the figure, how much flux in watts falls on a 1-mm x 1-mm detector…

A: The following information is given in the question: Configuration: A source of 2 cm x 2 cm is…

Q: Calculate the numerical aperture and acceptance angle for a fiber cable with a core index of…

A: Ray optics.

Q: The index of refraction of silicate flint glass for red light is 1.620 and for violet light is…

A: The refractive index of silicate flint glass for red light is The refractive index of silicate flint…

Q: A parallel beam of monochromatic light of wavelength 500nm passes through a slit of width 0. 5mm.…

A: in this question we determine maximum divergence .

Q: A thin oil slick with index of refraction no = 1.5 floats on water (index of refraction nw = 1.33).…

A: We have given the valuesThe refractive index of an oil slick is The refractive index for water is…

Q: If the optical power entering an optical fiber is I=1000 mW Its length is z = 100 km The loss is…

A:

Q: 10.51 A circular aperture is illuminated with a parallel beam of monochromatic light having a…

A: Given a circular aperture is illuminated with a monochromatic parallel beam . with wavelength λ =…

Q: (a) If the distance between two slits in Young's double slit experiment is 1.0 mm, the distance…

A: In a Young's Double Slit experiment  Distance between the slits and the detector screen= 2 m…

Q: refractive index n₁

A: A: Determine the critical angle θ_c at the interface.The critical angle is the angle of incidence at…

Q: hin glass of refractive index nG = 1.50 onto a boundary with water of refactive index nW = 1.33.…

A: We know that snell's law is given as  n1sinθ1= n2sinθ2 where n1 and n2 are the refractive indexes…

Q: Two beams of light start together and then hit a slab of two different kinds of material. This will…

A: Given: d=2.3×10-6m, n1=1.79, n2=1.39 The velocity of light in a medium is given by :  velocity of…

Q: An astronaut on the International Space Station (ISS) is experimenting with a solid-state green…

A: