{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/78312"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/78312","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Enhancement and extinction effects in surface-enhanced stimulated Raman spectroscopy","abstract":"Surface-enhanced Raman spectroscopy (SERS) is a technique that allows one to probe the vibrational modes of molecules with great precision. However, current methods involve the enhancement of local fields from spontaneous Raman scattering near a metallic substrate. By utilizing stimulated Raman scattering over spontaneous Raman scattering, the effect of the enhancement of the local fields will be increased due to nonlinear excitations. An electromagnetic derivation for the enhancement of local fields near the surface of a small metallic sphere due to stimulated Raman scattering is performed. In addition, the non-trivial relationship between the enhancement and extinction of the Raman signal is considered. Using the effective medium approach, an expression for the scattered Raman field of a collection of metallic nanoparticles that includes both these effects is formulated. Optimal parameters for surface-enhanced stimulated Raman spectroscopy (SESRS) are proposed based on the study of enhancement and extinction phenomena in the collection of nanoparticles.","abstract_html":"Surface-enhanced Raman spectroscopy (SERS) is a technique that allows one to probe the vibrational modes of molecules with great precision. However, current methods involve the enhancement of local fields from spontaneous Raman scattering near a metallic substrate. By utilizing stimulated Raman scattering over spontaneous Raman scattering, the effect of the enhancement of the local fields will be increased due to nonlinear excitations. An electromagnetic derivation for the enhancement of local fields near the surface of a small metallic sphere due to stimulated Raman scattering is performed. In addition, the non-trivial relationship between the enhancement and extinction of the Raman signal is considered. Using the effective medium approach, an expression for the scattered Raman field of a collection of metallic nanoparticles that includes both these effects is formulated. Optimal parameters for surface-enhanced stimulated Raman spectroscopy (SESRS) are proposed based on the study of enhancement and extinction phenomena in the collection of nanoparticles.","abstract_has_math":false,"creators":["Chng, Xiong Kai Benjamin"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Electrical & Computer Engr","degree_department":null,"school":null,"contributors":["Carney, Paul S."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-07-22T22:15:51Z","date_published":"2015-07-22T22:15:51Z","updated_at":"2026-07-22T22:26:11Z","subjects":["surface-enhanced stimulated Raman spectroscopy","nonlinear optics"],"languages":[],"rights":["Copyright 2015 Xiong Kai Benjamin Chng"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/78312","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Carney, Paul S."]},{"key":"dc:creator","label":"Author","values":["Chng, Xiong Kai Benjamin"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-07-22T22:15:51Z","2015-05","2015-02-20","2015-5"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical & Computer Engr"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"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":["surface-enhanced stimulated Raman spectroscopy","nonlinear optics"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2015 Xiong Kai Benjamin Chng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/78312"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Surface-enhanced Raman spectroscopy (SERS) is a technique that allows one to probe the vibrational modes of molecules with great precision. However, current methods involve the enhancement of local fields from spontaneous Raman scattering near a metallic substrate. By utilizing stimulated Raman scattering over spontaneous Raman scattering, the effect of the enhancement of the local fields will be increased due to nonlinear excitations. An electromagnetic derivation for the enhancement of local fields near the surface of a small metallic sphere due to stimulated Raman scattering is performed. In addition, the non-trivial relationship between the enhancement and extinction of the Raman signal is considered. Using the effective medium approach, an expression for the scattered Raman field of a collection of metallic nanoparticles that includes both these effects is formulated. Optimal parameters for surface-enhanced stimulated Raman spectroscopy (SESRS) are proposed based on the study of enhancement and extinction phenomena in the collection of nanoparticles.","Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2015-07-22 without embargo terms","The student, Xiong Kai Benjamin Chng, accepted the attached license on 2015-02-17 at 12:02.","The student, Xiong Kai Benjamin Chng, submitted this Thesis for approval on 2015-02-17 at 12:05.","This Thesis was approved for publication on 2015-02-20 at 09:10.","DSpace SAF Submission Ingestion Package generated from Vireo submission #7718 on 2015-07-22 at 10:29:59","Made available in DSpace on 2015-07-22T22:15:51Z (GMT). No. of bitstreams: 2 Chng_XiongKaiBenjamin.pdf: 401399 bytes, checksum: bff54c760bcc5d8de95165c133e2e0f0 (MD5) license.txt: 4070 bytes, checksum: 420304fb65f8d64be35faf170a928ade (MD5) Previous issue date: 2015-02-20"]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Enhancement and extinction effects in surface-enhanced stimulated Raman spectroscopy"]}]}],"canonical_facts":{"dc:contributor":["Carney, Paul S."],"dc:creator":["Chng, Xiong Kai Benjamin"],"dc:date":["2015-07-22T22:15:51Z","2015-05","2015-02-20","2015-5"],"dc:description":["Surface-enhanced Raman spectroscopy (SERS) is a technique that allows one to probe the vibrational modes of molecules with great precision. However, current methods involve the enhancement of local fields from spontaneous Raman scattering near a metallic substrate. By utilizing stimulated Raman scattering over spontaneous Raman scattering, the effect of the enhancement of the local fields will be increased due to nonlinear excitations. An electromagnetic derivation for the enhancement of local fields near the surface of a small metallic sphere due to stimulated Raman scattering is performed. In addition, the non-trivial relationship between the enhancement and extinction of the Raman signal is considered. Using the effective medium approach, an expression for the scattered Raman field of a collection of metallic nanoparticles that includes both these effects is formulated. Optimal parameters for surface-enhanced stimulated Raman spectroscopy (SESRS) are proposed based on the study of enhancement and extinction phenomena in the collection of nanoparticles.","Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2015-07-22 without embargo terms","The student, Xiong Kai Benjamin Chng, accepted the attached license on 2015-02-17 at 12:02.","The student, Xiong Kai Benjamin Chng, submitted this Thesis for approval on 2015-02-17 at 12:05.","This Thesis was approved for publication on 2015-02-20 at 09:10.","DSpace SAF Submission Ingestion Package generated from Vireo submission #7718 on 2015-07-22 at 10:29:59","Made available in DSpace on 2015-07-22T22:15:51Z (GMT). No. of bitstreams: 2 Chng_XiongKaiBenjamin.pdf: 401399 bytes, checksum: bff54c760bcc5d8de95165c133e2e0f0 (MD5) license.txt: 4070 bytes, checksum: 420304fb65f8d64be35faf170a928ade (MD5) Previous issue date: 2015-02-20"],"dc:format":["application/pdf"],"dc:identifier":["http://hdl.handle.net/2142/78312"],"dc:rights":["Copyright 2015 Xiong Kai Benjamin Chng"],"dc:subject":["surface-enhanced stimulated Raman spectroscopy","nonlinear optics"],"dc:title":["Enhancement and extinction effects in surface-enhanced stimulated Raman spectroscopy"],"dc:type":["text"],"thesis:degree_discipline":["Electrical & Computer Engr"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:11Z"}