Academic literature on the topic 'Linear dichroism'

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Journal articles on the topic "Linear dichroism"

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Chang, Huibin, Matthew A. Marcus, and Stefano Marchesini. "Analyzer-free linear dichroic ptychography." Journal of Applied Crystallography 53, no. 5 (2020): 1283–92. http://dx.doi.org/10.1107/s160057672001002x.

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Linear dichroism is an important tool to characterize the transmission matrix and determine the crystal or orbital orientation in a material. In order to achieve high-resolution mapping of transmission properties, the linear-dichroism scattering model in ptychographic imaging is introduced, and an efficient two-stage reconstruction algorithm is developed. Using the proposed algorithm on a uniaxial material, the dichroic transmission matrix can be recovered without an analyzer by using ptychography measurements with as few as three different polarization angles, with the help of an empty region
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Kuball, Hans-Georg. "Circular Dichroism and Linear Dichroism." Zeitschrift für Physikalische Chemie 212, Part_1 (1999): 118–19. http://dx.doi.org/10.1524/zpch.1999.212.part_1.118.

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Polavarapu, Prasad L., and Gang-Chi Chen. "Polarization-Division Interferometry: Far-Infrared Dichroism." Applied Spectroscopy 48, no. 11 (1994): 1410–18. http://dx.doi.org/10.1366/0003702944028119.

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We report the first far-infrared dichroism measurements using a polarization-division interferometer (PDI) developed in our laboratory. This interferometer uses a free-standing wire-grid beamsplitter made of tungsten wires. In conjunction with a linear polarizer in front of the source and two roof-top mirrors (one in each arm of the interferometer), the PDI divides the input beam into two orthogonal linear polarization components, recombines them for interference at the beamsplitter, and directs the output beam at 90° to the direction of the input beam. Light exiting the interferometer is mani
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Polavarapu, Prasad L., Gang-Chi Chen, and Stephen Weibel. "Development, Justification, and Applications of a Mid-Infrared Polarization-Division Interferometer." Applied Spectroscopy 48, no. 10 (1994): 1224–35. http://dx.doi.org/10.1366/0003702944027381.

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We report the development of a polarization-division interferometer (PDI) for the mid-infrared region. This interferometer uses a self-designed beamsplitter constructed in-house from a BaF2 polarizer and a matching substrate. In conjunction with a linear polarizer in front of the source and two roof-top mirrors, one in each arm of the interferometer, the PDI divides the input beam into two orthogonal linear polarization components, recombines them for interference at the beamsplitter, and directs the output beam at 90° to the direction of the input beam. Light exiting the interferometer is man
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Sharma, Vishakha, Yogita Kalra, and Ravindra Kumar Sinha. "Chiral perovskite based metasurface for linear and circular dichroism." Journal of Optics 26, no. 12 (2024): 125103. http://dx.doi.org/10.1088/2040-8986/ad80a7.

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Abstract Chiral metasurfaces provide ultracompact devices for polarization modification and detection. In this paper, high linear dichroism (LD) and dual band circular dichroism (CD) using superstructural chiral structure with inbuilt resonance cavities based on metal perovskite metal layer is proposed. Under circularly polarised incident waves, the metasurface exhibits a dual-band CD with a maximum value of 0.81. On the other hand, the suggested design also accomplishes efficient LD of 0.95. Additionally, independent control over each resonance wavelength may be attained by modifying paramete
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Garab, Győző, and Herbert van Amerongen. "Linear dichroism and circular dichroism in photosynthesis research." Photosynthesis Research 101, no. 2-3 (2009): 135–46. http://dx.doi.org/10.1007/s11120-009-9424-4.

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Pellow, Robert, and Martin Vala. "Magnetic circular dichroism and magnetic linear dichroism of randomly oriented linear molecules." Molecular Physics 68, no. 4 (1989): 893–901. http://dx.doi.org/10.1080/00268978900102611.

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Lippitsch, M. E., M. Riegler, F. R. Aussenegg, et al. "Linear Dichroism Spectroscopy of Retinal with Picosecond Time Resolution." Zeitschrift für Naturforschung C 40, no. 11-12 (1985): 880–85. http://dx.doi.org/10.1515/znc-1985-11-1222.

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Abstract For the first time linear dichroism spectroscopy has been extended to the picosecond time regime. 11-cis retinal, all-trans retinal and 1,8-diphenyl-1,3,5,7-octatetraene (DPOT) are incorporated into polyethylene films and oriented by stretching the films. By measuring picosecond transient absorption spectra polarized parallel and perpendicular to the stretching direction and calculating the dichroic ratio we get informations about the molecular geometry in excited singlet and triplet states. The results may have relevance to vision.
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Pagni, R. M. "Circular Dichroism and Linear Dichroism (Rodger, Alison; Norden, Bengt)." Journal of Chemical Education 75, no. 9 (1998): 1095. http://dx.doi.org/10.1021/ed075p1095.

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LYLE, PAUL A., and WALTER S. STRUVE. "DYNAMIC LINEAR DICHROISM IN CHROMOPROTEINS." Photochemistry and Photobiology 53, no. 3 (1991): 359–65. http://dx.doi.org/10.1111/j.1751-1097.1991.tb03641.x.

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Dissertations / Theses on the topic "Linear dichroism"

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Bulheller, Benjamin M. "Circular and linear dichroism spectroscopy of proteins." Thesis, University of Nottingham, 2009. http://eprints.nottingham.ac.uk/10866/.

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Circular dichroism (CD) is an important technique in the structural characterization of proteins, and especially for secondary structure determination. The CD of proteins can be calculated from first principles using the matrix method, with an accuracy that is almost quantitative for helical proteins. Thus, for proteins of unknown structure, CD calculations and experimental data can be used in conjunction to aid structure analysis. The vacuum-UV region (below 190 nm), where charge-transfer transitions have an influence on the CD spectra, can be accessed using synchrotron radiation circular dic
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Sandhu, Sandeep Kaur. "Development of a biosensor based on linear dichroism spectroscopy." Thesis, University of Birmingham, 2015. http://etheses.bham.ac.uk//id/eprint/5737/.

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Existing methodologies for biomolecular detection are limited in several key areas. Heterogeneous assays struggle with various wash steps which can prolong assay time, while other assays require costly reagents, lack mobility and can be highly complex in nature. This project demonstrates how a bio-nano particle in the form of M13 bacteriophage (M13) can be used for the basis of a novel homogeneous immunoassay which incorporates the use of linear dichroism spectroscopy (LD). M13 has a high aspect ratio which allows it to align easily in shear flow, this in turn generates a large LD signal. This
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Norton, Stephen R. "Linear dichroism spectroscopy and biophysics of an amyloid protein." Thesis, University of Warwick, 2015. http://wrap.warwick.ac.uk/79946/.

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Though Parkinson’s Disease is known to be caused by cell death in one region of the brain, and though the protein α-synuclein is known to be associated with it, the causes are still poorly understood. It has not yet been shown how α-synuclein may cause cells to die, with research focusing on the range of structures the protein is able to adopt. The classic amyloid fibrils are currently believed to be non-toxic, but smaller, soluble oligomers appear to be the toxic species. Key to toxicity and to the normal function of α-synucein (also unknown to-date) appear to be the ability of the protein to
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Wang, Xiao. "Confocal angle resolved linear dichroism microscopy for structural fluorescence imaging." Ecole centrale de Marseille, 2013. http://tel.archives-ouvertes.fr/docs/00/87/10/10/PDF/Wang-Thesis.pdf.

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La microscopie de fluorescence a récemment été complétée par une technique appelée dichroïsme linéaire résolu angulairement, basé sur le fait que l'absorption de la lumière est un processus sensible à l'orientation moléculaire. En analysant la réponse d'émission de fluorescence en fonction de l'orientation de la polarisation de la lumière excitatrice, cette technique permet de remonter à l'information d'orientation sur un ensemble de molécules fluorescentes, plus précisément son angle d'orientation moyenne et l'amplitude de ses fluctuations angulaires autour de cette moyenne. Dans cette thèse,
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Little, Haydn Andrew. "The development of novel diagnostic sensors based on linear dichroism spectroscopy." Thesis, University of Birmingham, 2017. http://etheses.bham.ac.uk//id/eprint/7421/.

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Within this thesis the use of linear dichroism (LD) spectroscopy was utilised as a new platform for the development of diagnostic sensors. To develop a novel diagnostic sensor in combination with LD spectroscopy a particle with a high aspect ratio is need. Such a particle is M13 bacteriophage, this micron long molecular scaffold is easily alignable in shear flow generating a large LD signal. Using LD spectroscopy, it was possible to demonstrate the successful detection of multiple DNA targets, and that the sensor can also discriminate between DNA sequences differing in length, with a limit of
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Rittman, Martyn. "Charaterisation of polymeric biomacromolecules using linear dichroism and Markov chain Monte Carlo." Thesis, University of Warwick, 2008. http://wrap.warwick.ac.uk/2237/.

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Riffel, Richard W. "Characterization of dichroism and linear polarization effects on colorimetric properties of plastic transmitting materials /." Online version of thesis, 1992. http://hdl.handle.net/1850/11650.

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Amarasinghe, Don Praveen. "A study of the alignment of polymeric molecules and vesicles in fluid flows for linear dichroism experiments." Thesis, University of Warwick, 2018. http://wrap.warwick.ac.uk/105768/.

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Linear dichroism (LD) spectroscopy is a technique which uses polarised light to make inferences on the relative orientations of chemical groups within a molecule. A requirement for experiments using this technique is the alignment of molecules in the analyte. This thesis considers the use of fluid flows to align molecules. The use of bead-spring and bead-rod models to simulate the behaviour of polymers and particles in fluid flows has been extensively discussed in the literature. In this work, the FENE-Fraenkel spring force law is implemented in bead-spring chain simulations, to assess the ali
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Rodger, Alison. "Molecular aspects of biomolecule structure and function." Thesis, The University of Sydney, 2002. http://hdl.handle.net/2123/516.

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All biological processes are fundamentally inter-molecular interactions. In order to understand, and hence control, biomolecular structure and function, methods are required that probe biological systems at the molecular level, ideally with those molecules being in their native environment. The research summarized herein has at its core the development and application of ultra violet (UV)-visible spectrophotometric techniquies for this prupose, in particular circular dichrosim (CD) and linear dichrosim (LD) but also absorbance, fluorescence and resonance light scattering. The spectroscopy is
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Rodger, Alison. "Molecular aspects of biomolecule structure and function." University of Sydney. Chemistry, 2002. http://hdl.handle.net/2123/516.

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All biological processes are fundamentally inter-molecular interactions. In order to understand, and hence control, biomolecular structure and function, methods are required that probe biological systems at the molecular level, ideally with those molecules being in their native environment. The research summarized herein has at its core the development and application of ultra violet (UV)-visible spectrophotometric techniquies for this prupose, in particular circular dichrosim (CD) and linear dichrosim (LD) but also absorbance, fluorescence and resonance light scattering. The spectroscopy is
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Books on the topic "Linear dichroism"

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Rodger, Alison. Circular dichroism and linear dichroism. Oxford University Press, 1997.

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Nordén, Bengt. Linear dichroism and circular dichroism: A textbook on polarized-light spectroscopy. Royal Society of Chemistry, 2010.

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Litvin, Feliks, Lyudmila Satina, Ravil' Hatypov, Galina Mikulinskaya, Nikita Pen'kov, and Konstantin Neverov. Molecular spectroscopy. Fundamentals of theory and practice. INFRA-M Academic Publishing LLC., 2022. http://dx.doi.org/10.12737/1870280.

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The textbook is an introduction to the theory and practice of spectroscopy in the ultraviolet, visible and infrared regions. The presentation of the theoretical foundations is accompanied by a detailed guide on the practical use of spectroscopy for quantitative and qualitative analysis of substances and reactions in simple and complex systems. Attention is paid to modern methods of infrared spectroscopy with Fourier transform (FTIR), intermolecular energy transfer (FRET), linear dichroism of complex objects.
 It is intended for a wide range of biologists, chemists, students and postgradua
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B, Samori', and Thulstrup Erik Waaben 1941-, eds. Polarized spectroscopy of ordered systems. Kluwer Academic Publishers, 1988.

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Circular and Linear Dichroism. Nova Science Publishers, Incorporated, 2015.

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Dafforn, Tim, Alison Rodger, and Bengt Nordén. Linear Dichroism and Circular Dichroism: A Textbook on Polarized-Light Spectroscopy. Royal Society of Chemistry, The, 2023.

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Dafforn, Tim, Alison Rodger, and Bengt Nordén. Linear Dichroism and Circular Dichroism: A Textbook on Polarized-Light Spectroscopy. Royal Society of Chemistry, The, 2019.

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Pellow, Robert C. Matrix isolation spectroscopy: Magnetic circular and linear dichroism. 1990.

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Schattschneider, Peter. Linear and Chiral Dichroism in the Electron Microscope. Jenny Stanford Publishing, 2012.

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Schattschneider, Peter. Linear and Chiral Dichroism in the Electron Microscope. Jenny Stanford Publishing, 2012.

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Book chapters on the topic "Linear dichroism"

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Rodger, Alison. "Linear Dichroism." In Encyclopedia of Biophysics. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-642-35943-9_640-1.

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Rodger, Alison. "Linear Dichroism." In Encyclopedia of Biophysics. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-16712-6_640.

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Rodger, Alison. "Linear Dichroism." In Comprehensive Chiroptical Spectroscopy. John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118120187.ch18.

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Rodger, Alison. "Polarized Light, Linear Dichroism, and Circular Dichroism." In Encyclopedia of Biophysics. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-642-35943-9_637-1.

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Rodger, Alison. "Polarized Light, Linear Dichroism, and Circular Dichroism." In Encyclopedia of Biophysics. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-16712-6_637.

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Rodger, Alison. "Nucleic Acid Linear Dichroism." In Encyclopedia of Biophysics. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-642-35943-9_631-1.

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Rodger, Alison. "Linear Dichroism Spectroscopy: Theory." In Encyclopedia of Biophysics. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-642-35943-9_641-1.

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Rodger, Alison. "Linear Dichroism Spectra: Measurement." In Encyclopedia of Biophysics. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-642-35943-9_642-1.

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Rodger, Alison. "Nucleic Acid Linear Dichroism." In Encyclopedia of Biophysics. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-16712-6_631.

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Rodger, Alison. "Linear Dichroism Spectroscopy: Theory." In Encyclopedia of Biophysics. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-16712-6_641.

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Conference papers on the topic "Linear dichroism"

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Yoichi, Takumi, Uina Chiba, Rinpei Sasaki, Takeo Minari, Seigo Ohno, and Katsuhiko Miyamoto. "Terahertz spectroscopy and imaging of circular dichroism in chiral metasurfaces." In JSAP-Optica Joint Symposia. Optica Publishing Group, 2024. https://doi.org/10.1364/jsapo.2024.18p_b2_14.

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Optical metamaterial elements that break mirror symmetry, such as swastika-shaped lattice structures, have been shown to exhibit chirality in the terahertz (THz) region, which is due to the spiral character of their hierarchical three-dimensional structure. However, in ordinary THz imaging with a linearly polarized beam, it has been difficult to quantify chiral optical characteristics, limiting the ideal design of metamaterials.
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Galgano, G. D., A. B. Henriques, E. Abramof, Marília Caldas, and Nelson Studart. "Magnetic Linear Dichroism Effects in EuTe." In PHYSICS OF SEMICONDUCTORS: 29th International Conference on the Physics of Semiconductors. AIP, 2010. http://dx.doi.org/10.1063/1.3295493.

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Kilchoer, C., J. A. Dolan, M. Saba, et al. "Linear and Circular Dichroism in Gyroid Optical Metamaterials." In 2018 12th International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials). IEEE, 2018. http://dx.doi.org/10.1109/metamaterials.2018.8534182.

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Dipold, J., G. Koeckelberghs, M. G. Vivas, L. De Boni, and C. R. Mendonca. "Two-Photon Circular-Linear Dichroism on a Binaphtalenebased Polymer." In Frontiers in Optics. OSA, 2017. http://dx.doi.org/10.1364/fio.2017.jw4a.91.

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George, D. K., J. Seo, H. Zhang, et al. "Linear Dichroism in High Temperature Superconductors in THz Range." In 2020 45th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz). IEEE, 2020. http://dx.doi.org/10.1109/irmmw-thz46771.2020.9370370.

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Schwickert, Markus M. "Studies of X-ray magnetic linear dichroism in absorption." In The 11th US national synchrotron radiation instrumentation conference (SRI99). AIP, 2000. http://dx.doi.org/10.1063/1.1291769.

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Mykowska, Ewa, Krzysztof Fiksinski, and Danuta Bauman. "Linear dichroism of dyes used in liquid crystal displays." In XIII International Conference on Liquid Crystals: Chemistry, Physics, and Applications, edited by Stanislaw J. Klosowicz, Jolanta Rutkowska, Jerzy Zielinski, and Jozef Zmija. SPIE, 2000. http://dx.doi.org/10.1117/12.385704.

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"Fluorescence detected linear dichroism and anisotropy imaging using RCM." In European Light Microscopy Initiative 2024. Royal Microscopical Society, 2024. http://dx.doi.org/10.22443/rms.elmi2024.166.

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Simon, John D., Kiaoliang Xie, and Robert Dunn. "Time-resolved circular dichroism studies of biological systems." In OSA Annual Meeting. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/oam.1990.mbb4.

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This paper examines a new experimental approach for studying ultrafast relaxation processes in biological systems—picosecond time-resolved circular-dichroism spectroscopy. The technical details of the experimental apparatus will be discussed. Optical analysis using Jones matrix calculus shows how complications due to pump induced linear dichroism can be eliminated enabling the isolation and measurement of transient circular dichroism signals. Extension of this approach to femtosecond time resolution will also be examined.
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Bertolotto, J. A., G. B. Roston, G. M. Corral, and M. E. Ascheri. "Reduced Electric Linear Dichroism of DNA Fragments in Aqueous Solutions." In NONEQUILIBRIUM STATISTICAL MECHANICS AND NONLINEAR PHYSICS: XV Conference on Nonequilibrium Statistical Mechanics and Nonlinear Physics. AIP, 2007. http://dx.doi.org/10.1063/1.2746740.

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Reports on the topic "Linear dichroism"

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Schumann, F. O., R. F. Willis, and K. W. Goodman. Magnetic x-ray linear dichroism of ultrathin Fe-Ni alloy films. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/603528.

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Mishra, S., W. J. Gammon, and D. P. Pappas. Magnetic x-ray linear dichroism in resonant and non-resonant Gd 4f photoemission. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/603526.

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Ohta, Taisuke, Taisuke Ohta, Robert Copeland, and Robert Copeland. Testing the possibility of magnetic domain imaging based on circular & linear dichroism using photoemission electron microscopy. Office of Scientific and Technical Information (OSTI), 2018. http://dx.doi.org/10.2172/1760415.

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