Laser Optofluidics in Fighting Multiple Drug Resistance

Laser Beam Properties

Author(s): Mihail Lucian Pascu

Pp: 138-149 (12)

DOI: 10.2174/9781681084985117010009

* (Excluding Mailing and Handling)


Since the interaction of a laser beam or otherwise called laser radiation with droplets in pendant position is a key process in the data reported in the book, the current chapter is dedicated to the description of the main properties of a laser beam of the kind used in presented experiments. Basically, laser emits electromagnetic radiation with particular properties described briefly in this chapter, such as: coherence (spatial and temporal), directivity coupled with mode structure, narrow (lower than 0.1 nm) spectral width, time structure of the emission (pulsed or continuous wave-cw), polarisation state (which is in most cases linear or closed to linear), Gaussian distribution of intensity in beam cross section, high beam energy, power and brightness.

Keywords: Astigmatic beam, Asymmetric beam, Axial mode, Beam FWHM, Beam power, Beam TFW, Beam waist, Brightness, Coherence length, Coherence time, Directivity, Fluence, Gaussian laser beam, Laser active medium, Mode structure, Monochromaticity, Optical resonator, Polarised beam, Polarisation state.

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