Dynamics of polymeric liquids using polarization-modulated laser Raman scattering. Archer, L A, Fuller, G., & Nunnelley, L Polymer, 33(17):3574–3581, 1992. Paper abstract bibtex A new experimental technique, 'polarization-modulated laser Raman scattering' (PMLRS), is presented for the study of the dynamics of polymeric materials subjected to transient flows. A detailed analysis of the experiment based on Jones-Mueller matrix calculus is presented. Jones and Mueller matrices that take into account the integrated effect of the deformed sample's birefringence are developed for a Raman scattering element, using either the 0textdegree or 180textdegree scattering geometries. To test the predictions of the theory a Raman scattering system, based on high-speed phase modulation (50 kHz) of the incident light coupled with phase-sensitive detection, has been developed. This system is also capable of simultaneously measuring birefringence. Single-step reversal extension and step strain experiments were conducted using a polyisobutylene melt. Experiments were done using the Raman scattered light associated with the v stretching vibration of C-H groups present in the specimen. The results obtained indicate that the Raman signal ratios all depend on the second- and fourth-order moments of the orientation distribution function of polymer segments and on the sample's birefringence. textcopyright 1992.
@article{archer_dynamics_1992,
Abstract = {A new experimental technique, 'polarization-modulated laser Raman scattering' (PMLRS), is presented for the study of the dynamics of polymeric materials subjected to transient flows. A detailed analysis of the experiment based on Jones-Mueller matrix calculus is presented. Jones and Mueller matrices that take into account the integrated effect of the deformed sample's birefringence are developed for a Raman scattering element, using either the 0textdegree or 180textdegree scattering geometries. To test the predictions of the theory a Raman scattering system, based on high-speed phase modulation (50 kHz) of the incident light coupled with phase-sensitive detection, has been developed. This system is also capable of simultaneously measuring birefringence. Single-step reversal extension and step strain experiments were conducted using a polyisobutylene melt. Experiments were done using the Raman scattered light associated with the v stretching vibration of C-H groups present in the specimen. The results obtained indicate that the Raman signal ratios all depend on the second- and fourth-order moments of the orientation distribution function of polymer segments and on the sample's birefringence. textcopyright 1992.},
Author = {Archer, L A and Fuller, G.G. and Nunnelley, L},
Journal = {Polymer},
Number = {17},
Pages = {3574--3581},
Title = {Dynamics of polymeric liquids using polarization-modulated laser {Raman} scattering},
Url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0342968345&partnerID=40&md5=de8f9f42688cf01c58a398beb500dcd4},
Volume = {33},
Year = {1992},
Bdsk-Url-1 = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0342968345&partnerID=40&md5=de8f9f42688cf01c58a398beb500dcd4}}
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