Lab 6 - Physical Optics Brian Harmer 903366445 Thursday 2pm...

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Physical Optics Brian Harmer 903366445 Thursday 2pm March 11, 2009
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Introduction : In this lab we will observe how light acts wave-light when investigated closely. We used both a laser and white light and looked at divergence, diffraction, and other properties. We investigated both single and double slit diffraction. Our goal is to observe the interference patterns created by a double slot. Another goal is to see the relation between width and separation of the slit and the maxims and minims of intensity of diffraction. Experimental Results: In the first part of the experiment we looked at detector response. In this, we measured the profile of the laser without any diffracting elements. We performed this with various diffraction gratings in place. For the second part, we investigated double-slit diffraction/interference patterns. In this part we determined the slit width and slit separations of various double slit diffraction gratings using the equation bellow: (1) (2) Next we looked at diffraction grating. In this we used a known diffraction grating with 600lines/ mm. We determined the angels of maxima by finding the diffraction angle. We used this then to
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This note was uploaded on 01/14/2010 for the course MAE 157s taught by Professor Chin during the Spring '09 term at UCLA.

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Lab 6 - Physical Optics Brian Harmer 903366445 Thursday 2pm...

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