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Optical Studies of Materials for Spectral Design
Linköping University, Department of Physics, Chemistry and Biology, Applied Optics . Linköping University, The Institute of Technology.
2015 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Optical material properties have been studied in a wide wavelength range. Theaim is future use of spectral design for camou age. The main characterization techniques used in this work are Refection Spectroscopy, Scatterometry (BRDF) and Mueller Matrix Ellipsometry. Six camouflage evaluation criteria based on reflection, emissivity, polarization, gloss, dynamic coloring and broadband properties, are to a greater or lesser degree related to the interaction between light and materia. Almost all are connected to the work of this thesis and are exemplied through dierent material categories with potential for use in camouföage applications. The included papers presents: a broad band (visible-infrared-microwave) study, two examples of dynamic optical properties of thin lms, and polarization and scattering properties of a natural surface.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2015. , 29 p.
Series
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 1712
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:liu:diva-115369DOI: 10.3384/lic.diva-115369ISBN: 978-91-7519-106-5 (print)OAI: oai:DiVA.org:liu-115369DiVA: diva2:795053
Presentation
2015-04-10, Planck, Fysikhuset, Campus US, Linköpings universitet, Linköping, 10:15 (Swedish)
Opponent
Supervisors
Available from: 2015-03-13 Created: 2015-03-13 Last updated: 2016-06-28Bibliographically approved
List of papers
1. A review of materials for spectral design coatings in signature management applications
Open this publication in new window or tab >>A review of materials for spectral design coatings in signature management applications
2014 (English)In: SPIE Proceedings, vol. 9253, Optics and Photonics for Counterterrorism, Crime Fighting, and Defence X; and Optical Materials and Biomaterials in Security and Defence Systems Technology XI, 92530Y / [ed] Roberto Zamboni; François Kajzar; Attila A. Szep; Douglas Burgess; Gari Owen and Harbinder Rana, SPIE - International Society for Optical Engineering, 2014, Vol. 9253Conference paper, Published paper (Refereed)
Abstract [en]

The current focus in Swedish policy towards national security and high-end technical systems, together with a rapid development in multispectral sensor technology, adds to the utility of developing advanced materials for spectral design in signature management applications. A literature study was performed probing research databases for advancements. Qualitative text analysis was performed using a six-indicator instrument: spectrally selective reflectance; low gloss; low degree of polarization; low infrared emissivity; non-destructive properties in radar and in general controllability of optical properties. Trends are identified and the most interesting materials and coating designs are presented with relevant performance metrics. They are sorted into categories in the order of increasing complexity: pigments and paints, one-dimensional structures, multidimensional structures (including photonic crystals), and lastly biomimic and metamaterials. The military utility of the coatings is assessed qualitatively. The need for developing a framework for assessing the military utility of incrementally increasing the performance of spectrally selective coatings is identified.

Place, publisher, year, edition, pages
SPIE - International Society for Optical Engineering, 2014
National Category
Physical Sciences
Identifiers
urn:nbn:se:liu:diva-115364 (URN)10.1117/12.2067167 (DOI)9781628413168 (ISBN)
Conference
Optics and Photonics for Counterterrorism, Crime Fighting, and Defence X; and Optical Materials and Biomaterials in Security and Defence Systems Technology XI, Amsterdam, Netherlands, September 22, 2014
Available from: 2015-03-13 Created: 2015-03-13 Last updated: 2015-10-22Bibliographically approved
2. Spectroscopic ellipsometry and vector network analysis for determination of the electromagnetic response in two wavelength regions
Open this publication in new window or tab >>Spectroscopic ellipsometry and vector network analysis for determination of the electromagnetic response in two wavelength regions
Show others...
2008 (English)In: Physica Status Solidi. C: Current Topics in Solid State Physics, ISSN 1862-6351, Vol. 5, no 5, 1089-1092 p.Article in journal (Refereed) Published
Abstract [en]

In this work, spectroscopic ellipsometry and vector network analysis are used to determine the electromagnetic response of three samples, an epoxy polymer, a sample with ferrit-based nanoparticles in a polymer matrix and silicon, in the wavelength ranges 0.4-30 μm and 0.75-7.59 cm. Both methods measure amplitude and phase changes due to interaction with a sample and can be used to measure the full complex-valued dielectric response to electromagnetic radiation. The data from the two methods show similar levels of the response at the two ends of the spectral gap between the ranges of the two methods.

Place, publisher, year, edition, pages
Weinheim, Germany: Wiley-VCH Verlagsgesellschaft, 2008
Keyword
07.57.Pt; 07.60.Fs; 13.40.−f; 78.20.Ci; 81.70.Fy
National Category
Natural Sciences
Identifiers
urn:nbn:se:liu:diva-42736 (URN)10.1002/pssc.200777900 (DOI)000256862500021 ()68463 (Local ID)68463 (Archive number)68463 (OAI)
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2015-03-13Bibliographically approved
3. Optical properties and switching of a Rose Bengal derivative: A spectroscopic ellipsometry study
Open this publication in new window or tab >>Optical properties and switching of a Rose Bengal derivative: A spectroscopic ellipsometry study
Show others...
2011 (English)In: THIN SOLID FILMS, ISSN 0040-6090, Vol. 519, no 11, 3582-3586 p.Article in journal (Refereed) Published
Abstract [en]

Optical properties in terms of the complex-valued dielectric function were determined for spin-coated films of a Rose Bengal derivative using variable angle of incidence spectroscopic ellipsometry in the visible and infrared wavelength regions. In addition, the thickness and roughness of the films were determined and related to the solution concentration of Rose Bengal. Switching between two different oxidation states of the Rose Bengal derivative was investigated. The two states were chemically induced by exposure to vapors of hydrochloric acid and ammonia, respectively. A substantial and reversible change of the optical properties of the films was observed.

Place, publisher, year, edition, pages
Elsevier Science B.V., Amsterdam., 2011
Keyword
Thin films, Optical properties, Rose Bengal, Spectroscopic ellipsometry
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-67825 (URN)10.1016/j.tsf.2011.01.269 (DOI)000289333400024 ()
Note

Original Publication: C Akerlind, Hans Arwin, Fredrik Jakobsson, H Kariis and Kenneth Järrendahl, Optical properties and switching of a Rose Bengal derivative: A spectroscopic ellipsometry study, 2011, THIN SOLID FILMS, (519), 11, 3582-3586. http://dx.doi.org/10.1016/j.tsf.2011.01.269 Copyright: Elsevier Science B.V., Amsterdam. http://www.elsevier.com/

Available from: 2011-04-29 Created: 2011-04-29 Last updated: 2015-06-01
4. Polymer based devices with adaptable infrared reflection and transmission
Open this publication in new window or tab >>Polymer based devices with adaptable infrared reflection and transmission
2006 (English)In: "Organic optoelectronics and photonics II : 3-6 April, 2006, Strasbourg, France" / [ed] Paul L. Heremans; Michele Muccini and Eric A. Meulenkamp, SPIE - International Society for Optical Engineering, 2006, Vol. 6192Conference paper, Published paper (Refereed)
Abstract [en]

In the present work the infrared-transmission of PEDOT:PSS (poly(3,4-ethylenedioxythiophene):poly(styrensulfonat)) is being investigated using three different kind of electrochromic devises. PEDOT:PSS is an electrochromic conducting polymer able to change its optical properties when it is doped and undoped. The doping is achieved by a voltage applied across the cell. The optical properties are reversible if the polarity of the voltage is changed. We report here, to our knowledge, the first cell with adaptive transmission in the infrared wavelength range. The issue for this type of cell is that all the layers in the device must be transmissive in the whole relevant wavelength range. The results were further verified by construction of similar cells with different configuration giving adaptable reflectivity.

Place, publisher, year, edition, pages
SPIE - International Society for Optical Engineering, 2006
National Category
Atom and Molecular Physics and Optics
Identifiers
urn:nbn:se:liu:diva-115366 (URN)10.1117/12.662707 (DOI)978-08-194-6248-0 (ISBN)
Conference
Organic Optoelectronics and Photonics II
Available from: 2015-03-13 Created: 2015-03-13 Last updated: 2015-03-27Bibliographically approved
5. Scattering and Polarization Properties of the Scarab Beetle Cyphochilus insulanus cuticle
Open this publication in new window or tab >>Scattering and Polarization Properties of the Scarab Beetle Cyphochilus insulanus cuticle
Show others...
2015 (English)In: Applied Optics, ISSN 1559-128X, E-ISSN 2155-3165, Vol. 54, no 19Article in journal (Refereed) Published
Abstract [en]

Optical properties of natural photonic structures can inspire material developments in diversified areas, such as the spectral design of surfaces for camouflage. Here, reflectance, scattering, and polarization properties of the cuticle of the scarab beetle Cyphochilus insulanus are studied with spectral directional hemispherical reflectance, bidirectional reflection distribution function (BRDF) measurements, and Mueller-matrix spectroscopic ellipsometry (MMSE). At normal incidence, a reflectance (0.6–0.75) is found in the spectral range of 400–1600 nm and a weaker reflectance <0.2  in the UV range as well as for wavelengths >1600  nm  . A whiteness of 𝑊=42  is observed for mainly the elytra of the beetle. Chitin is a major constituent of the insect cuticle which is verified by the close similarity of the measured IR spectrum to that of 𝛼  -chitin. The BRDF signal shows close-to-Lambertian properties of the beetle for visible light at small angles of incidence. From the MMSE measurement it is found that the beetles appear as dielectric reflectors reflecting linearly polarized light at oblique incidence with low gloss and a low degree of polarization. The measured beetle properties are properties that can be beneficial in a camouflage material.

Place, publisher, year, edition, pages
Optical Society of America, 2015
National Category
Physical Sciences
Identifiers
urn:nbn:se:liu:diva-115368 (URN)10.1364/AO.54.006037 (DOI)000357339200023 ()
Available from: 2015-03-13 Created: 2015-03-13 Last updated: 2017-12-04Bibliographically approved

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