
B.S. OPTICAL TECHNIQUES [PHYS674] SYLLABUS

Bridging topics: Traveling waves in more
than one dimension, attenuation of waves, Transmission of the momentum
and energy of waves, Maxwell’s equations and their importance
in optics, energy density and flow, Jones vector, propagation in conducting
media.

Reflection and Transmission: Reflection and transmission
at the discontinuity, Fresnel’s Formulae, Reflected and Transmitted
energy, Normal Incidence, Polarization, Polarization by reflections
for the Gean Optics case of conductors and insulators.

Interference: Young interference, Michelson Interferometer,
Interference by multiple reflections, FebryPerot Interferometer,
Gean Optics, Eikonal equation, Lens Design and Matrix Algebra, Optics
of Resonators, Guided waves, Lagrangian Formulation of Optics and
its applications.

Dispersion: Group velocity, Dispersion of Guided
Waves, Material Dispersion, Signal Velocity.

Coherence: Photoelectric Mixing, Interference Spectroscopy,
Temporal Coherence, Length of Temporal Coherence, Autocorrelation
Function. Spatial coherence, a line source, spatial coherence length,
stellar Interferometer, intensity Interferometery.

Diffraction and Gausian Beams: Fresnel Formulation,
the Obliquity Factor, Gaussian Beams, The ABCD Law.

Fraunhofer Diffraction: Fourier Transform via a
Lens, Plane wave Representation, Diffraction by rectangular Aperture,
Array Theorem, N Rectangular Slits, Abbe’s Theory of Imaging.

Fresnel diffraction: Fresnel Approximation, Rectangular
Apertures, Fresnel Zones, Circular Apertures, Opaque Screen, Zone
Plate, Fermat’s Principal.

Recommended Text:
1. B. D. Guenther, “ Modern Optics” John Wiley
& Sons (1990).
2. M. Born, E. Wolf, “ Principle of Optics”, Cambridge
University Press, (1990).
3. G. Booker, “ Modern Classical Optics”, Oxford University
Press, (2003).
4. F. L. Pedrotti, L.S. Pedrotti, “Introduction to Optics”,
2nd Ed., Prentice Hall (1993).



