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Demonstration of light transmission through a multimode fiber, showing a variety of transverse modes Demonstration of the effect of input alignment changes on transverse modes Demonstration of the effect of fiber bends and stresses on transverse modes Demonstration of single mode behavior in a ...
Marie-José MonpetitResearch Scientist, Research Laboratory of Electronics, MIT
Marie-José MonpetitResearch Scientist, Research Laboratory of Electronics, MIT
Marie-José MonpetitResearch Scientist, Research Laboratory of Electronics, MIT
Marie-José MonpetitResearch Scientist, Research Laboratory of Electronics, MIT
Short video of RLE events for the Under the Dome: MIT 150th Open House on Saturday, April 30, 2011.
Description of a linear polarizer Use of a linear polarizer to analyze the state of polarization of light from a laser Demonstration of the change in the state of polarization of light after reflection by two aluminum coated mirrors Use of a linear polarizer to set the state of polarization of ...
Demonstration of light inside laser cavity being much stronger than light leaving the laser Discussion of cavity dumping
Demonstration of light amplification by an optical amplifier, using a He-Ne laser and a He-Ne amplifier tube Demonstration of 6% amplification per pass Calibration of detector using a fixed loss Measurement of the effect of amplifier fluorescence on detector output
Description: In this lecture, many problem solving techniques are developed using, first, combining and splitting of various Poisson processes, and, second, conditioning on the number of arrivals in an interval. Instructor: Prof. Robert Gallager
Description: After reviewing Wald's identity, we introduce martingales and show they include many processes already studied. Next, submartingales, supermartingales, and stopped (simple, sub, super) martingales are introduced. Instructor: Prof. Robert Gallager
Description: Probability, as it appears in the real world, is related to axiomatic mathematical models. Events, independence, and random variables are reviewed, stressing both the axioms and intuition. Instructor: Prof. Robert Gallager
Demonstration of various transverse modes from a laser as a function of cavity alignment Demonstration of the use of an intra-cavity adjustable aperture to control the number of transverse modes that can oscillate Demonstration of the frequency spectrum of laser transverse modes Demonstration ...
Discussion of laser linewidth Measurement of laser linewidth using an optical spectrum analyzer Measurement of the fundamental laser linewidth using a two-frequency laser showing the intrinsic spectral width to be much less than 30 Hz
Demonstration of the operation on an argon ion laser Demonstration of the high intensity in the argon laser beam by burning a hole in cardboard with an unfocused laser beam
Description of a half-wave plate Use of a half-wave plate to rotate the plane of polarization from zero to ninety degrees with very little loss Demonstration that there is no change in the state of polarization when propagating along either principal axis of the half-wave plate
Demonstration of two-beam interference in a Michelson interferometer with collimated beams Effect of vibrations on fringe contrast
Demonstration of two-beam interference in a Michelson interferometer with collimated beams Determination of the state of polarization in each arm of the interferometer Demonstration of the rotation of the plane of polarization in one arm of the interferometer using a ...
Demonstration of two-beam interference in a Michelson interferometer with collimated beams Demonstration of the effect of path length difference (0-100 cm) on fringe contrast Demonstration of the spectrum of the light source, in this case, a multilongitudinal mode He-Ne laser Relationship ...
Demonstration of two-beam interference in a Michelson interferometer with collimated beams Effect of intensity difference between interfering beams on fringe contrast
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