{"id":{"repo_id":"unm","oai_identifier":"oai:digitalrepository.unm.edu:ose_etds-1001"},"canonical_url":"https://search.dev.ndltd.org/etd/unm/oai:digitalrepository.unm.edu:ose_etds-1001","repository":{"repo_id":"unm","name":"University of New Mexico","base_url":"https://digitalrepository.unm.edu/do/oai/"},"display":{"title":"Theoretical and experimental studies of optically pumped molecular gas lasers","abstract":"Optically pumped molecular gas lasers based on vibrational-rotational transitions in the infrared spectral region were studied experimentally and theoretically. A model was developed to predict the performance of such lasers and explore their potentials for energy and power scaling. This rate equation model was applied to explore the performance of a second-overtone (pulsed) and a first-overtone (CW) pumped HBr laser. Experimental improvements concerning temperature spectral tuning and frequency stabilization of a Nd:YAG laser that pumped HBr were accomplished. Lasing at 4 microns was demonstrated from such a system. We identified acetylene and hydrogen cyanide as potential laser gases that can be pumped with lasers emitting in the attractive telecommunication C band region at about 1.5 microns. Estimations and fluorescence measurements suggest the possibility of lasing in the 3 micron region. Lasing was demonstrated for the first time with a 5 ns pump pulse from an optical parametric oscillator using traditional cavities. The first gas filled hollow fiber laser based on population inversion was demonstrated with acetylene and emission in the 3 micron region was observed. An analytical model indicates the possibility of CW lasing with small Stokes shift in both acetylene and HCN.","abstract_html":"Optically pumped molecular gas lasers based on vibrational-rotational transitions in the infrared spectral region were studied experimentally and theoretically. A model was developed to predict the performance of such lasers and explore their potentials for energy and power scaling. This rate equation model was applied to explore the performance of a second-overtone (pulsed) and a first-overtone (CW) pumped HBr laser. Experimental improvements concerning temperature spectral tuning and frequency stabilization of a Nd:YAG laser that pumped HBr were accomplished. Lasing at 4 microns was demonstrated from such a system. We identified acetylene and hydrogen cyanide as potential laser gases that can be pumped with lasers emitting in the attractive telecommunication C band region at about 1.5 microns. Estimations and fluorescence measurements suggest the possibility of lasing in the 3 micron region. Lasing was demonstrated for the first time with a 5 ns pump pulse from an optical parametric oscillator using traditional cavities. The first gas filled hollow fiber laser based on population inversion was demonstrated with acetylene and emission in the 3 micron region was observed. An analytical model indicates the possibility of CW lasing with small Stokes shift in both acetylene and HCN.","abstract_has_math":false,"creators":["Amarin, Ratanavis"],"institution":null,"degree_name":"Optical Science and Engineering","degree_level":"Doctoral","degree_discipline":"Optical Science and Engineering","degree_department":null,"school":null,"contributors":["Wolfgang, Rudolph","Mansoor, Sheik-Bahae","Sanjay, Krishna","Paul, Schwoebel"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2010,"date_issued":"2010-06-28T07:00:00Z","date_published":"2010-06-28T07:00:00Z","updated_at":"2026-07-24T05:26:35Z","subjects":[],"languages":["English"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://digitalrepository.unm.edu/ose_etds/2"],"render_values":[{"text":"https://digitalrepository.unm.edu/ose_etds/2","href":"https://digitalrepository.unm.edu/ose_etds/2","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/1928/10902","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Wolfgang, Rudolph","Mansoor, Sheik-Bahae","Sanjay, Krishna","Paul, Schwoebel"]},{"key":"dc:creator","label":"Author","values":["Amarin, Ratanavis"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"thesis:degree_discipline","label":"Discipline","values":["Optical Science and Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Doctoral","Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Optical Science and Engineering"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/1928/10902","https://digitalrepository.unm.edu/ose_etds/2"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Optically pumped molecular gas lasers based on vibrational-rotational transitions in the infrared spectral region were studied experimentally and theoretically. A model was developed to predict the performance of such lasers and explore their potentials for energy and power scaling. This rate equation model was applied to explore the performance of a second-overtone (pulsed) and a first-overtone (CW) pumped HBr laser. Experimental improvements concerning temperature spectral tuning and frequency stabilization of a Nd:YAG laser that pumped HBr were accomplished. Lasing at 4 microns was demonstrated from such a system. We identified acetylene and hydrogen cyanide as potential laser gases that can be pumped with lasers emitting in the attractive telecommunication C band region at about 1.5 microns. Estimations and fluorescence measurements suggest the possibility of lasing in the 3 micron region. Lasing was demonstrated for the first time with a 5 ns pump pulse from an optical parametric oscillator using traditional cavities. The first gas filled hollow fiber laser based on population inversion was demonstrated with acetylene and emission in the 3 micron region was observed. An analytical model indicates the possibility of CW lasing with small Stokes shift in both acetylene and HCN."]},{"key":"dc:title","label":"Title","values":["Theoretical and experimental studies of optically pumped molecular gas lasers"]}]}],"canonical_facts":{"dc:contributor":["Wolfgang, Rudolph","Mansoor, Sheik-Bahae","Sanjay, Krishna","Paul, Schwoebel"],"dc:creator":["Amarin, Ratanavis"],"dc:description.abstract":["Optically pumped molecular gas lasers based on vibrational-rotational transitions in the infrared spectral region were studied experimentally and theoretically. A model was developed to predict the performance of such lasers and explore their potentials for energy and power scaling. This rate equation model was applied to explore the performance of a second-overtone (pulsed) and a first-overtone (CW) pumped HBr laser. Experimental improvements concerning temperature spectral tuning and frequency stabilization of a Nd:YAG laser that pumped HBr were accomplished. Lasing at 4 microns was demonstrated from such a system. We identified acetylene and hydrogen cyanide as potential laser gases that can be pumped with lasers emitting in the attractive telecommunication C band region at about 1.5 microns. Estimations and fluorescence measurements suggest the possibility of lasing in the 3 micron region. Lasing was demonstrated for the first time with a 5 ns pump pulse from an optical parametric oscillator using traditional cavities. The first gas filled hollow fiber laser based on population inversion was demonstrated with acetylene and emission in the 3 micron region was observed. An analytical model indicates the possibility of CW lasing with small Stokes shift in both acetylene and HCN."],"dc:identifier":["http://hdl.handle.net/1928/10902","https://digitalrepository.unm.edu/ose_etds/2"],"dc:language":["English"],"dc:title":["Theoretical and experimental studies of optically pumped molecular gas lasers"],"thesis:degree_discipline":["Optical Science and Engineering"],"thesis:degree_level":["Doctoral","Dissertation"],"thesis:degree_name":["Optical Science and Engineering"]},"updated_at":"2026-07-24T05:26:35Z"}