{"id":{"repo_id":"ubc","oai_identifier":"oai:circle.library.ubc.ca:2429/1585"},"canonical_url":"https://search.dev.ndltd.org/etd/ubc/oai:circle.library.ubc.ca:2429/1585","repository":{"repo_id":"ubc","name":"University of British Columbia","base_url":"http://circle.library.ubc.ca/oai/request"},"display":{"title":"A Q-switched, cavity-dumped YAG laser for use in plasma physics experiments","abstract":"A Q-switched, cavity-dumped Nd:YAG laser was developed for use as a diagnostic tool in plasma physics experiments. This laser uses an unstable resonator configuration to produce higher gain and better collimation than would otherwise be possible. Pulses of light with energies of 18±2 mJ and FWHMs of about 12 ns were produced. It was found that more than 100 mJ of light was being emitted in the form of prelase pulses, due to the Pockels cells used having a poor extinction ratio. Efforts were made to correct this problem, with only partial success.","abstract_html":"A Q-switched, cavity-dumped Nd:YAG laser was developed for use as a diagnostic tool in plasma physics experiments. This laser uses an unstable resonator configuration to produce higher gain and better collimation than would otherwise be possible. Pulses of light with energies of 18±2 mJ and FWHMs of about 12 ns were produced. It was found that more than 100 mJ of light was being emitted in the form of prelase pulses, due to the Pockels cells used having a poor extinction ratio. Efforts were made to correct this problem, with only partial success.","abstract_has_math":false,"creators":["Leffler, Steven Roy"],"institution":"University of British Columbia","degree_name":"Master of Science - MSc","degree_level":"master's","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1992,"date_issued":"1992","date_published":"1992","updated_at":"2026-07-24T05:07:26Z","subjects":[],"languages":["eng"],"rights":["For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2429/1585","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Leffler, Steven Roy"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1992"]},{"key":"dc:publisher","label":"Institution","values":["University of British Columbia"]},{"key":"dc:type","label":"Dc Type","values":["Text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Physics"]},{"key":"thesis:degree_level","label":"Degree Level","values":["master's"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science - MSc"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of British Columbia"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2429/1585","http://circle.library.ubc.ca/bitstream/2429/1585/1/ubc_1993_spring_leffler_steven.pdf"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["A Q-switched, cavity-dumped Nd:YAG laser was developed for use as a diagnostic tool in plasma physics experiments. This laser uses an unstable resonator configuration to produce higher gain and better collimation than would otherwise be possible. Pulses of light with energies of 18±2 mJ and FWHMs of about 12 ns were produced. It was found that more than 100 mJ of light was being emitted in the form of prelase pulses, due to the Pockels cells used having a poor extinction ratio. Efforts were made to correct this problem, with only partial success."]},{"key":"dc:format","label":"Dc Format","values":["2480152","application/pdf"]},{"key":"dc:title","label":"Title","values":["A Q-switched, cavity-dumped YAG laser for use in plasma physics experiments"]}]}],"canonical_facts":{"dc:creator":["Leffler, Steven Roy"],"dc:date":["1992"],"dc:description":["A Q-switched, cavity-dumped Nd:YAG laser was developed for use as a diagnostic tool in plasma physics experiments. This laser uses an unstable resonator configuration to produce higher gain and better collimation than would otherwise be possible. Pulses of light with energies of 18±2 mJ and FWHMs of about 12 ns were produced. It was found that more than 100 mJ of light was being emitted in the form of prelase pulses, due to the Pockels cells used having a poor extinction ratio. Efforts were made to correct this problem, with only partial success."],"dc:format":["2480152","application/pdf"],"dc:identifier":["http://hdl.handle.net/2429/1585","http://circle.library.ubc.ca/bitstream/2429/1585/1/ubc_1993_spring_leffler_steven.pdf"],"dc:language":["eng"],"dc:publisher":["University of British Columbia"],"dc:rights":["For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use."],"dc:title":["A Q-switched, cavity-dumped YAG laser for use in plasma physics experiments"],"dc:type":["Text"],"thesis:degree_discipline":["Physics"],"thesis:degree_level":["master's"],"thesis:degree_name":["Master of Science - MSc"],"thesis:institution_name":["University of British Columbia"]},"updated_at":"2026-07-24T05:07:26Z"}