PHY202 Lab 9

Phys- ics BUY College Physics 1st Edition ISBN: 9781938168000 Author: Paul Peter Urone, Roger Hinrichs Publisher: OpenStax College Question 2. A thin film is deposited on substrate (n=4) to eliminate the reflection at 1500 nm wavelength at normal incidence. Determine the film refractive index and minimum thickness. Chapte... Section... Problem 31PE: Structures on ... Transcribed Image Text: 2. A thin film is deposited on substrate (n=4) to eliminate the reflection at 1500 nm wavelength at normal incidence. Determine the film refractive index and minimum thickness. See similar textbooks SAVE

Incident beam A-- da B-- SQ + QT %D (3.19) dnki sin 0 + dki sin 0 (3.20) = 2dnkl sin 0 H.W. Derive equation 3.20 (Bragg’s Law) from equation 3.19 using trigonometry formulas. 19

Lasers and Diffraction Gratings: If you had a grating that contained fewer lines per meter than another, what differences would you expect? Explain.

6) Hi, Can you solve the question 6 and make explanation please? and if you are gonna use handwrite please make sure that it is readable thank you.  I know that you cant solve multiple options so can you solve the option A and B please

Incident beam A 8-- SQ + QT (3.19) drki sin 0 + dnki sin 0 %3D (3.20) 2dnki sin 0 %3D Н.W. Derive equation 3.20 (Bragg's Law) from equation 3.19 using trigonometry formulas.

Q4: For the geometry below, assume the carrier frequency is 900 MHz Tx Rx 50 m| 50 m 500 m 500 m a. Determine the height of the obstacle required to induce 23 dB diffraction loss. Given, b. Discuss two factors impact the amount of diffraction loss?

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In a thin slit Fraunhofer diffraction, if the width of the slit (b) is reduced, what will happen? A. Diffraction angle (0) is reduced. B. Diffraction angle (0) is increased. C. Diffraction angle (0) remains unchanged, D. The maximum irradiance or light intensity (I,) remains unchanged.

Question Three Two aluminium samples, A and B, are to be examined using Bragg reflection. For sample A the first-order Bragg reflection from (111) planes occurs at an angle of 25°00', while for sample B the first order Bragg reflection from (111) planes was at 25°20'. Aluminium atoms are 1.8 x 10-10 m diameter and form an FCC structure. X-radiation of wavelength 1.52 x 10-10 m is used for the analysis of two samples of aluminium. Answer the following questions: (i) Calculate the lattice parameter of an aluminium atom. (ii) Calculate the interplanar distances for the two samples. (ii) Which sample shows pure aluminium, and what is the reason for the difference? (iv) Mention four uses of pure aluminium.

Course Home ge.com/course.html?courseld%316501969&OpenVellumHMAC=3a1da24d859fdc8cea2e88a375ea89fe#10001 Constants | Periodic Table Correct Learning Goal: To understand multislit interference and how it leads to the design of diffraction gratings. Part F Diffraction gratings are used in modern spectrometers to separate the wavelengths of visible light. The working of a diffraction grating may be understood through multislit interference, which can be understood as an extension of two-slit interference. In this problem, you will follow the progression from two-slit to many-slit interference to arrive at the important eauations describina diffraction Recall that phasor diagrams give the magnitude of the electric field, and that the intensity is related to the electric field squared. In going from two slits to three, the amount of energy in the total interference pattern increases by 50% (three slits worth of light instead of two), but the peak intensity of the interference maxima…

a soap 3) Light on in cident perpendicularly is The film (with n=1.5) suspendened in thick ness is tle that undergoes fully air. What film is 0.2 um. visible light of the Soap Shortest wauele nght of constructive inferferenee upon retle ction the thin film?. Recall that on the wave lengths of the visibe spectum range trom 400nm to 700nm

Its solid state physics

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In the diffraction pattern created by 550nm light, what angle does the initial minimum fall at? a. 60 degrees Fahrenheit Temperatures in the 20 degree range c. A temperature of around 30 degrees Celsius

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