Investigation of broadband laser spectral fluctuation to CARS

An investigation is made into the major factors contributing to shot-to-shot spectral fluctuations in a broadband dye laser with a view to reducing noise in Coherent Anti-Stokes Raman Spectroscopy (CARS). Combinations of three dyes and methods of quantifying noise in spectra are investigated. Correlations between groups of modes in the dye laser are shown to exist and vary from dye to dye. Investigation is made into the effects that the insertion of scattering particles into the dye laser oscillator has on the spectral noise. A tunable, solid state Ti:Sapphire laser is assembled and spectra obtained for comparison with the dye laser spectra.

Grantor dc:publisher.institution

Department of Physics

Year dc:date.issued

1993

Author dc:creator

• Horrell, J M

Language dc:language.iso

eng

Handle dc:identifier.uri

http://hdl.handle.net/11427/17383

OAI identifier oai:identifier

oai:open.uct.ac.za:11427/17383