NO AI PLEASE 7.5 Answer the following:(a) How many wavelengths of A0 = 500 nm light will span a 1-m gapin vacuum?(b) How many waves span the gap when a glass plate 5 cm thick(n = 1.5) is inserted in the path?(c) Determine A the OPD between the two situations.(d) Verify that A/λo corresponds to the difference between the solu-tions to (a) and (b) above.

Answered: Image /qna-images/answer/fc5ebee5-1729-464d-9918-852953cee025.jpg

Answered: 7.5 Answer the following: (a) How many…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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2. A phase retardation plate ade by quartz has thickness 0.1436 mm. For what wavelength in the visible range (400- 750nm) it will act as (i) quarter-wave plate & (ii) half wave plate? Given µ,= 1.5443 and pH=1.5533. [Ans: 738.6nm, 574.4 nm, 470 nm for QWP and 517 nm for HWP.] [CO3]
Which of the following statements is not true about the linear polarization technique? a) Measurements begin at-20 mV from OCP and end around +100 mV from OCP b) The slope of the plot is AE/AC is given in volts/amperes or mV/mA c) This technique can be used to determine very low rate of corrosion d) It can be used to monitor corrosion rate in process plant
d = mλ 2 cos 0' 1.3 Using the above formula for the conventional Bragg condition, show that each pair in a multilayer reflector should be 6.8 nm thick to produce peak reflectivity at a wavelength of 13.5 nm when the incident light is 6° from normal. (Assume that m = 1.) Show that a change in the film-pair thickness of 1 Å changes the peak wavelength by 0.2 nm.
question in photo plz
(i) At what wavelength are the rates of spontaneous emission and stimulated emission equal in a two-level system at room temperature? (ii) A GaAlAs laser diode has a 500 μm cavity length which has an effective absorption coefficient of 10 cm-1. For uncoated facets the reflectivities are 0.32 at each end. What is the optical gain at the lasing threshold? (iii) If one end of the laser is coated with a dielectric reflector so that its reflectivity is now 90%, what is the optical gain at the lasing threshold?
2. A symmetric dielectric slab waveguide is to guide light at wavelength A= 1.30 µm. The slab thickness is to be d = 5.00 um, and the refractive index of the surrounding material is n2 = 1.450. %3D Determine the maximum allowable refractive index of the slab material that will allow single TE and TM mode operation.
For an air/SiO2/GaAs/SiO2/air device structure, the light is emitted from GaAs layer uniformly in all directions (the indices of refraction of GaAs and SiO2 are 3.63 and 1.46 respectively). Assuming no re-absorption to the emitted photons, (1) please calculate the %age of light that get trapped in the GaAs layer due to TIR, (2) calculate the %age of light that get trapped in the SiO2/GaAs/SiO2 structure due to TIR
A rectangular wave guide with inner dimensions 6 cm x 3 cm has been designed for a single mode operation. Find the possible frequency range of operations such that the lowest frequency is 5% above the cut off and the highest frequency is 5% below the cut off of the next higher mode.
A single mode fibre is to be dimensioned. The normalised frequency is 80 % of the maximum allowed for single mode condition. The relative refractive index difference is 0.005 and the refractive index of the core is 1.5. The wavelength is 1.5 µm. A. Determine the radius of the core. B. If the number of modes supported by this fiber is 5. Determine the radius of the core.
A rectangular waveguide has dimensions a = 6 cm and b = 4 cm.a) Over what range of frequencies will the guide operate single mode?b) Over what frequency range will the guide support both TE10 and TE01modes and no others?
c) Evaluate the light collecting capacity of a silica fibre with its core refractiveindex (n1) of 1.48 and cladding refractive index of 1.46. Evaluate the newvalue of “n1” in order to change the light collecting capacity to 0.23.
For a Planar LED of gallium arsenide with a refractive index of i) The optical power emitted into air when the transmission factor at the 3.5.determine crystal-air interface is 0.60. ii) When the optical power generated internally is 60 % of the electric power supplied, determine the external power efficiency.

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