THIRD YEAR LABORATORY

PHYS 3770, LASER AND SPECTROSCOPY LABORATORY
and
PHYS3780, PHOTONICS LABORATORY

SYLLABUS

PHYS3770, LASER AND SPECTROSCOPY LABORATORY

  • Acousto-optic effects: diffraction of light by acoustic waves in media, use in deflectors and modulators
  • Fourier optics: spatial filtering and image processing
  • Fourier transform spectrometry in the visible and near IR using a computer controlled Michelson interferometer
  • Holography: production of transmission and reflection holograms
  • Laser diode emission characteristics
  • Laser safety
  • Neodymium YAG laser: alignment and properties
  • Properties of helium-neon lasers and the light emitted by them
  • Photoluminescence spectroscopy of semiconductor quantum wells
  • Spectral response of some photodetectors and spectral output of various light sources using a computer con­trolled monochromator
  • Visible and UV spectrometry: measurement of the transmission characteristics of thin films, filters, sunscreens etc., using a computer controlled spectrophotometer

PHYS3780, PHOTONICS LABORATORY

  • Erbium doped fibre amplifiers: response and characteristics
  • Laser diode emission characteristics
  • Laser safety
  • Neodymium YAG laser: alignment and properties
  • Optical fibres: properties of single and multimode step and graded index fibres, measurement of numerical ap­erture, attenuation, far field power distribution
  • Optical fibre communications: semiconductor light sources, wavelength division multiplexing and demultiplexing
  • Optical fibre gratings:  use in communications; dense wavelength division multiplexing
  • Optical fibre sensors: intensity (multimode) and interferometric (single mode) phase sensors
  • Optical time-domain reflectometry: measurement of optical fibre attenuation and splicing losses
  • Polarisation of light by polarisers and by reflection from dielectrics and metals
  • Properties of helium-neon lasers and the light emitted by them

 


 

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