LASIX THERAPY

Review of basic ideas of interference
Interference due to transmitted light
Principle of Interference
Theory of interference-intensity distribution
Conditions for interference

Principles of coherence, types of coherence
Coherent wave- optical path and phase change
Scope of coherence
Spatial coherence in laser
 Difference between collimated and coherent light   

Properties of diffraction
Effects of diffraction
Fresnel Diffraction
Huygens- Fresnel theory, zone plate
Difference between zone plate and convex lens, comparison between interference and diffraction
Diffraction pattern due to a straight edge
Diffraction pattern due to a single silt

 Explain the function of techniques for characterising ultra-short laser pulses, e.g. autocorrelation, SPIDER, and FROG
systematically describe the construction of, and principles for modern high-power lasers
demonstrate in-depth understanding of high-harmonic generation and attosecond pulses describe in detail the properties of synchrotrons, and free electron lasers

Absorption and emission of light
Absorption-spontaneous emission and stimulated emission
Einstein relations
Population inversion, Active medium
Three level and Four level Laser systems
Semiconductor Laser, Laser beam Characteristics
Applications of Laser, Holography (qualitative study only)