00867nam a22001817a 4500040003600000082001500036100002200051245008400073260003500157300004000192500014800232500005700380500004100437500004300478502005900521546001200580650009300592  cRiphah International University  a539.7bAHM  aAhmed Ali (21691)  aDesign a high finesse optical cavity for cavity ring-down spectroscopic studies  aIslamabadb(unpublished)c2020  axiii, 49 p. b: ill.c; 30 cm.e+CD  aSubmitted in fulfillment of the requirements for the degree of Master of Philosophy in Physics to the Faculty of Basic Sciences and Humanities.  aIncludes bibliographical references and appendix      aThesis supervisor: Dr. Nasir Mehboob  aThesis co- supervisor: Dr. Ali Nadeem   aThesis (M.Phil)--Riphah International University, 2020  aEnglish  aSpectroscopyvOptical cavityvConfocal resonator vAbsorption methodvLaser cavityvFBSH