Graduate Catalog: 2012-2013 - Alabama A&M University

esolution spectroscopy by resonant degenerate fourwave mixing in semiconductors, wave front reversalby a reflecting surface optical resonator using phaseconjugate mirrors, applications of opticalconjugation. (Prerequisite PHY 712 or equivalent)PHY 715 Fiber Optics - Three semester hours.Basic principles of optical fiber communication andapplications, materials and fiber preparation,propagation in optical fibers, wave guides and theirfabrication, fiber optic cables and cable connectors,detectors and measurement techniques, semiconductorlight sources for optical fibercommunications, system design. (Prerequisite PHY657 or equivalent)PHY 720 Radiation effects in Crystalline Solids -Three semester hours. A unified treatment based ongoverning principles in defect structurethermodynamics and kinetics of equilibrium andnonequilibrium systems. Discussion of radiationeffects in metals and semiconductors. (PrerequisitePHY 632 or equivalent)PHY 725 Optical Fiber Communications - Threesemester hours. Basic concepts of fiber-opticcommunications, channel multiplexing andmodulation formats, light emitting diodes andsemiconductor lasers, receiver noise, bit-rate error,system architecture, local-area networks, dispersionbroadening, coherent lightwave systems,multichannel communication systems, multiplexingand demultiplexing, crosstalk, optical amplifiers,soliton communication systems, communicationsystems of future. (Prerequisite PHY 715 orequivalent)PHY 730 Solidification Process - Three semesterhours. Principles of control of structure, propertiesand shape in processes involving liquid-solid andvapor-solid transformations. Heat flow, soluteredistribution, nucleation, growth kinetics. Resultantstructures and properties. (Prerequisite PHY 634)PHY 735 Materials for Radiation Detectors -Three semester hours. This course will be moreextensive rather than intensive. Discussion ofmaterials problems for devices using ceramics,semiconductors and pyroelectric materials.Materials for detectors for ranges in x-ray, gammaray,ultra-violet, visible, near-infrared and far–infrared. (Prerequisite PHY 632 or equivalent)with lasers, Laser Raman as Brillouin Spectroscopy,High resolution sub-Doppler spectroscopy, trimresolvedlaser spectroscopy, optical Ramsay fringes,ultra-high resolution. (Prerequisite PHY 651 orequivalent)PHY 755 Optics Laboratory II (Sample List) -Three semester hours.(1) Growth and decay of holographic gratingformed in photo-refractive crystals withcoherent laser beams.(2) Optical phase conjugation throughdegenerate four wave mixing in photorefractivecrystals.(3) Laser photo acoustic spectroscopy of I2 usingN2 laser-pumped dye laser(4) Holography(5) Laser photo-acoustic studies in gases usingAr-ion laser(6) Optogalvanic spectrum of Ne using tunabledye laser(7) Laser-excited fluorescence in laser materialcrystalsPHY 771 Signal Processing - Three semesterhours. Fourier analysis and two dimensional line, asystems-scalar diffraction theory, Fresnal andFraunhofer diffraction frequency analysis of opticalimaging systems, optical filters, coherent opticalprocessing, incoherent optical processing, hybridprocessors, and linear and non-linear optical dataprocessing. (Prerequisite PHY 505 or equivalent)PHY 775 Thin Film and Integrated Optics II -Three semester hours. Optical wave guide modes,wave guide fabrication techniques: deposited thinfilms, molecular beam epitaxial crystal growth,substantial dopant atoms, wave guide losses, inputand output couplers, electro-optic modulators,acousto-optic modulators, semiconductor laser andmodulation, hetero-structure lasers, and integratedoptical detectors. (Prerequisite PHY 675 orequivalent)PHY 796-97 Advanced Selected Topics inMaterials Science - One to four semester hours.(Consent of Instructor)PHY 799 Dissertation - One to six hours.Individual research towards completing dissertationrequirements.PHY 750 Laser Spectroscopy - Three semesterhours. Turnable coherent light sources, Dopplerlimited absorption and fluorescence spectroscopy153