{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/81323"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/81323","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"A Fiber-Based Lidar System for Atmospheric Water Vapor Measurement","abstract":"The design and evaluation of a prototype fiber-based lidar system are presented. This novel system has the potential to provide autonomous water vapor measurements with high resolution and accuracy. In addition, relatively low-cost mass-production and operation of the system is feasible. This dissertation first describes the design decisions and trade-offs made in the initial design of the prototype. It then presents the initial atmospheric measurements made and compares the results to expected values based on models. A second-stage prototype system is then presented. Atmospheric measurements with the enhanced prototype are compared to modeled values, and a detailed error analysis for the enhanced version of the system prototype is given. Recommendations for further improvements are then made. After these additional enhancements, the system should meet the requirements for making global water vapor profile measurements to enhance current global climate models.","abstract_html":"The design and evaluation of a prototype fiber-based lidar system are presented. This novel system has the potential to provide autonomous water vapor measurements with high resolution and accuracy. In addition, relatively low-cost mass-production and operation of the system is feasible. This dissertation first describes the design decisions and trade-offs made in the initial design of the prototype. It then presents the initial atmospheric measurements made and compares the results to expected values based on models. A second-stage prototype system is then presented. Atmospheric measurements with the enhanced prototype are compared to modeled values, and a detailed error analysis for the enhanced version of the system prototype is given. Recommendations for further improvements are then made. After these additional enhancements, the system should meet the requirements for making global water vapor profile measurements to enhance current global climate models.","abstract_has_math":false,"creators":["Little, Liesl Marie"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Electrical Engineering","degree_department":null,"school":null,"contributors":["George C. Papen"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T20:10:35Z","date_published":"2015-09-25T20:10:35Z","updated_at":"2026-07-22T22:26:16Z","subjects":["Physics, Atmospheric Science"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI9955644"],"render_values":[{"text":"(MiAaPQ)AAI9955644","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/81323","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["George C. Papen"]},{"key":"dc:creator","label":"Author","values":["Little, Liesl Marie"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T20:10:35Z","10000-01-01","2000"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Physics, Atmospheric Science"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/81323","(MiAaPQ)AAI9955644"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The design and evaluation of a prototype fiber-based lidar system are presented. This novel system has the potential to provide autonomous water vapor measurements with high resolution and accuracy. In addition, relatively low-cost mass-production and operation of the system is feasible. This dissertation first describes the design decisions and trade-offs made in the initial design of the prototype. It then presents the initial atmospheric measurements made and compares the results to expected values based on models. A second-stage prototype system is then presented. Atmospheric measurements with the enhanced prototype are compared to modeled values, and a detailed error analysis for the enhanced version of the system prototype is given. Recommendations for further improvements are then made. After these additional enhancements, the system should meet the requirements for making global water vapor profile measurements to enhance current global climate models.","Made available in DSpace on 2015-09-25T20:10:35Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 9955644.pdf: 7397545 bytes, checksum: a4f39af5e37658989ac1c6674f275839 (MD5) Previous issue date: 2000","Embargo set by: Seth Robbins for item 82604 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","166 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2000."]},{"key":"dc:title","label":"Title","values":["A Fiber-Based Lidar System for Atmospheric Water Vapor Measurement"]}]}],"canonical_facts":{"dc:contributor":["George C. Papen"],"dc:creator":["Little, Liesl Marie"],"dc:date":["2015-09-25T20:10:35Z","10000-01-01","2000"],"dc:description":["The design and evaluation of a prototype fiber-based lidar system are presented. This novel system has the potential to provide autonomous water vapor measurements with high resolution and accuracy. In addition, relatively low-cost mass-production and operation of the system is feasible. This dissertation first describes the design decisions and trade-offs made in the initial design of the prototype. It then presents the initial atmospheric measurements made and compares the results to expected values based on models. A second-stage prototype system is then presented. Atmospheric measurements with the enhanced prototype are compared to modeled values, and a detailed error analysis for the enhanced version of the system prototype is given. Recommendations for further improvements are then made. After these additional enhancements, the system should meet the requirements for making global water vapor profile measurements to enhance current global climate models.","Made available in DSpace on 2015-09-25T20:10:35Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 9955644.pdf: 7397545 bytes, checksum: a4f39af5e37658989ac1c6674f275839 (MD5) Previous issue date: 2000","Embargo set by: Seth Robbins for item 82604 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","166 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2000."],"dc:identifier":["http://hdl.handle.net/2142/81323","(MiAaPQ)AAI9955644"],"dc:language":["eng"],"dc:subject":["Physics, Atmospheric Science"],"dc:title":["A Fiber-Based Lidar System for Atmospheric Water Vapor Measurement"],"dc:type":["text"],"thesis:degree_discipline":["Electrical Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:16Z"}