'Fraunhofer diffraction' presentation slideshows

Wave Optics

Wave Optics. Chapter 24. Introduction to Optics. Geometrical optics Reflection Refraction Wave optics Interference Diffraction Polarization. Thin Film Interference.

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Why monochromatic? Why slit S 0 ?

Why monochromatic? Why slit S 0 ?. In the double slit interference pattern: moving the slits farther apart will a) make the pattern spread out b) make the pattern narrower c) have no effect on the spacing of maxima. Q35.3.

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Image Processing and Deconvolution

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Ultrasound

Ultrasound. Sound waves. Sounds are mechanical disturbances that propagate through the medium Frequencies <15Hz Infrasound 15Hz<Frequencies <20KHz Audible sound Frequencies>20Khz Ultrasound Medical Ultrasound frequency 2 -20MHz Some experimental devices at 50MHz. Velocity and frequency.

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Today

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PC20312 Wave Optics

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Diffraction

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Chapter 10 Diffraction February 25 Fraunhofer diffraction: the single slit

P. S. a. R 2. R 1. Chapter 10 Diffraction February 25 Fraunhofer diffraction: the single slit 10.1 Preliminary considerations Diffraction: The deviation of light from propagation in a straight line. There is no essential physical distinction between interference and diffraction .

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Light Wave Interference

Light Wave Interference. In chapter 14 we discussed interference between mechanical waves. We found that waves only interfere if they are moving in the same medium. In order to produce a stable interference pattern between two light waves, the individual waves must:

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Fraunhofer Diffraction

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Chapter III OPTICS

Chapter III OPTICS Lecture 3.5 Books : (i ) Optics, 3 rd edition: Ajoy Ghatak , McGraw-Hill Companies (ii) A Modern Book of Engineering Physics by S.L. Gupta and

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Diffraction PHYS261 fall 2006

Diffraction PHYS261 fall 2006. Diffraction is a phenomenon when a wave that passes through an aperture or around an obstacle forms a pattern on a screen. What causes diffraction is interference of an infinite number of waves that are emitted by the points of the aperture.

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16.711 Lecture 1 Review of Wave optics

16.711 Lecture 1 Review of Wave optics. Today. Introduction to this course Light waves in homogeneous medium Monochromatic Waves in inhomogeneous medium Polychromatic waves Multiple interference and optical resonator Diffraction principle and diffraction grating .

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To illustrate diffraction consider water waves in a ripple tank:

Diffraction - Deviation of light from rectilinear propagation caused by the obstruction of light waves, .i.e, a physical obstacle.

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Fraunhofer Diffraction: Circular aperture

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Find the wavelength of light used in this 2- slits interference. Note: Not drawn to scale.

Q1.1. Find the wavelength of light used in this 2- slits interference. Note: Not drawn to scale. 3.16mm 0.666mm 0.000633mm 0.200mm. Ans: ?=633nm (typical of red He-Ne laser). Phasor review. Will need phasors to understand diffraction gratings.

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Physics 430/530 Optics

Physics 430/530 Optics. Prof . Young-Min Shin La Tourette Hall 2 06 Phone: 815-753-6456 (NIU) 630-840-8478 (Fermilab) yshin@niu.edu alcolpeter@gmail.com ( recommended ) Class hours: T, Th 11:00 AM-12:15 PM Class Location: FW227 Office hours: Anytime (T, Th)

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Chapter 38

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Lecture 10

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