Optical Measurement Principles

Syllabus

• Introduction:  Wave motion, The Electomagnetic spectrum, Geometrical Optics.
• Gaussian Optics:  Matrix representation of light rays and optical path, the General Image-forming system, Reflection at a spherical surface, Aspheric lenses, Optical systems:  Telescope, Microscope.
• Interference: Coherence, Interference between two plane waves, Laser Doppler Velocimetry, Interference between other waves, Interferometry.
• Diffraction: Diffraction from a single slit and a grating, Fourier Optics, Optical filters, Coherent and incoherent transfer function.
• Light Sources and Detectors: Radiometry and photometry, Incoherent light sources, Coherent light sources �€“ Stimulated emission, Lasers. Hologram recording media, Photoelectric detectors, The CCD camera. Sampling, Signal transfer.
• Holography: Principles, Holographic interferometry, Holographic vibration analysis.
• Polarization and Photoelasticity: Polarized light, Polarizing filters, Reflection and refraction, Photoelasticity, Ellipsometry.
• Fibre-Optics: Light propagation through optical fibres, attenuation and dispersion, Different types of fibres, Fibre-optic sensors, Fibre-optic lasers, other usages.

Sources:

1. Optical Metrology, 3rd ed., Kjell J. Gsvik, John Wiley & Sons 2002.