OPTICS WITH LABORATORY

Degree course: 
Corso di Second cycle degree in PHYSICS
Academic year when starting the degree: 
2021/2022
Year: 
1
Academic year in which the course will be held: 
2021/2022
Course type: 
Compulsory subjects, characteristic of the class
Credits: 
6
Period: 
First Semester
Standard lectures hours: 
54
Detail of lecture’s hours: 
Lesson (32 hours), Laboratory (22 hours)
Final Examination: 
Orale
Assessment: 
Voto Finale

The propagation of light:
Rayleigh scattering, propagation of light in dense media, refractive index, reflection, refraction, Huygens' principle, Fermat's principle, mirages, Fresnell's equations and the coefficients of reflection and transmission, total internal reflection.

Geometrical optics:
aspherical and spherical surface refraction, thin lenses, image formation, stops, aspherical, spherical and plane mirrors, prisms, optical fibers, optical systems, human eye, eyepieces, microscope, camera, binoculars, telescope.

More on Geometrical Optics:
thick lenses, ray tracing and matrix method, spherical aberration, coma, astigmatism, field curvature, distortion, chromatic aberration, achromatic optics.

The superposition of waves:
composition of waves of the same frequency, standing waves, composition of waves of different frequencies, beats, group velocity, the super and sub luminal waves, periodic waves and Fourier series, non-periodic waves and Fourier integrals, wave packet, the spectral band, coherence length.

Polarization:
linear, circular and elliptical polarization, polarizers, dichroism, birefringence, polarization by scattering, polarization by reflection, wave plates, circular polarizers, optical activity, optical modulators, Faraday, Kerr, and Pockels effects, liquid crystals and displays.

Interference:
Interference and spatial and temporal coherence, tilted waves and spatiotemporal coherence, fringes visibility, mutual coherence and degrees of coherence, wavefront splitting and amplitude splitting interferometers, multiple interference and Febry-Perot interferometer, multilayered films and anti-reflective coatings.

Diffraction:
Huygens-Fresnel principle, Fraunhofer diffraction, single, double and multiple slits, rectangular and circular apertures, diffraction grating, Fresnel diffraction, circular aperture and “vibration curve”, Fresnell lenses, rectangular aperture and Cornu spiral, Fresnels diffraction by a slit and a thin stopper, Babinet principle.

Fourier's optics:
Fourier transforms of representative functions, applications to optical fields, the convolution integral, Fourier analysis and Fraunhofer diffraction, power spectrum and auto and cross correlation functions.

Atmospheric optical phenomena: reflections on the water, images of the sun, rainbow, fog-bow, glory, broken specter, halo, corona, pillars, Heiligenshein, iridescent clouds, noctilucent clouds, sun dogs, dark rays, blue cave, rings and the rays around the sun.

Reconstruction of atmospheric optical phenomena according to modern technologies: reconstruction of sky light by nano-structured optical diffusers, reconstruction of cloud light by microstructural diffusers, nano PDLC (polymeric dispersed liquid crystals) for the dynamic reconstruction of the light of the sun and the sky during the course of the day, the infinite depth of view reconstruction of sun light.

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