Thesis-2000-Slater.pdf (17.84 MB)
The underwater propagation of high-power pulsed and continuous-wave visible lasers: non-linear effects and a solid-state beam manipulation tool for imaging applications
thesis
posted on 2018-08-07, 08:05 authored by Thor SlaterUnderwater optics is a subject area with many applications from vision to remote
sensing. Most have traditionally suffered from a limited range capability, despite
advances in compact laser sources and beam steering technology. One reason for this
is a lack of fundamental data concerning the propagation characteristics of high-power
cw and pulsed beams through turbid media at the distances required. This project was
designed to address that shortcoming by investigating two non-linear effects of high-power lasers underwater: thermal lensing and stimulated Raman scattering (SRS).
A novel test facility was designed and attenuation measurements made at pathlengths
up to 27m, using an array of mirrors, with argon ion (4.5W, 514.5nm) and Nd:YAG
(140mJ, 532nm) lasers. [Continues.]
Funding
DERA (contract no.: USL/77).
History
School
- Mechanical, Electrical and Manufacturing Engineering
Publisher
© Thor SlaterPublisher statement
This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/Publication date
2000Notes
A Doctoral Thesis. Submitted in partial fulfilment of the requirements for the award of Doctor of Philosophy at Loughborough University.Language
- en