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  <doc>
    <id>1377</id>
    <completedYear>2016</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Partially slotted silicon ring resonator covered with electro-optical polymer</title>
    <abstract language="eng">In this work, we present for the first time a partially slotted silicon ring resonator (PSRR) covered with an electro-optical polymer (Poly[(methyl methacrylate)-co-(Disperse Red 1 acrylate)]). The PSRR takes advantage of both a highly efficient vertical slot waveguide based phase shifter and a low loss strip waveguide in a single ring. The device is realized on 200 mm silicon-on-insulator wafers using 248 nm DUV lithography and covered with the electro-optic polymer in a post process. This silicon-organic hybrid ring resonator has a small footprint, high optical quality factor, and high DC device tunability. A quality factor of up to 105 and a DC device tunability of about 700 pm/V is experimentally demonstrated in the wavelength range of 1540 nm to 1590 nm. Further, we compare our results with state-of-the-art silicon-organic hybrid devices by determining the poling efficiency. It is demonstrated that the active PSRR is a promising candidate for efficient optical switches and tunable filters.</abstract>
    <parentTitle language="eng">Proceedings of SPIE</parentTitle>
    <identifier type="issn">1996-756X</identifier>
    <identifier type="urn">urn:nbn:de:kobv:526-opus4-13771</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="CopyrightInfo">Copyright (2016) Society of Photo‑Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this publication for a fee or for commercial purposes, and modification of the contents of the publication are prohibited.</enrichment>
    <enrichment key="SourceTitle">Patrick Steglich, Christian Mai, David Stolarek, Stefan Lischke, Sebastian Kupijai, Claus Villringer, Silvio Pulwer, Friedhelm Heinrich, Joachim Bauer, Stefan Meister, Dieter Knoll, Mauro Casalboni, and Sigurd Schrader "Partially slotted silicon ring resonator covered with electro-optical polymer", Proc. SPIE 9891, Silicon Photonics and Photonic Integrated Circuits V, 98910R (13 May 2016); https://doi.org/10.1117/12.2217725</enrichment>
    <enrichment key="DOI_VoR">https://doi.org/10.1117/12.2217725</enrichment>
    <licence>Das Dokument ist urheberrechtlich geschützt.</licence>
    <author>Patrick Steglich</author>
    <author>Christian Mai</author>
    <author>David Stolarek</author>
    <author>Stefan Lischke</author>
    <author>Sebastian Kupijai</author>
    <author>Claus Villringer</author>
    <author>Silvio Pulwer</author>
    <author>Friedhelm Heinrich</author>
    <author>Joachim Bauer</author>
    <author>Stefan Meister</author>
    <author>Dieter Knoll</author>
    <author>Mauro Casalboni</author>
    <author>Sigurd Schrader</author>
    <collection role="ddc" number="621">Angewandte Physik</collection>
    <collection role="institutes" number="">Fachbereich Ingenieur- und Naturwissenschaften</collection>
    <collection role="open_access" number="">open_access</collection>
    <collection role="green_open_access" number="2">Green Open Access</collection>
    <thesisPublisher>Technische Hochschule Wildau</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-th-wildau/files/1377/98910R.pdf</file>
  </doc>
  <doc>
    <id>1529</id>
    <completedYear>2016</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1517</pageFirst>
    <pageLast>1527</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>Society of Photo-Optical Instrumentation Engineers (SPIE)</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">On the origin and removal of interference patterns in coated multimode fibres</title>
    <abstract language="eng">In this study, we present the experimental investigations on interference patterns, such as those already reported in VIMOS-IFU, and up to now no appropriate explanation has been presented. These interference patterns are produced in multimode fibres coated with acrylate or polyimide, which is the preferred coating material for the fibres used in IFUs. Our experiments show that, under specific conditions, cladding modes interact with the coating and produce interference. Our results show that the conditions at which the fibre is held during data acquisition has an impact in the output spectrum. Altering the positioning conditions of the fibre leads to the changes into the interference pattern, therefore, fibres should be carefully manipulated in order to minimise this potential problem and improve the performance of these instruments. Finally we present a simple way of predicting and modelling this interference produced from the visible to the near infrared spectra. This model can be included in the data reduction pipeline in order to remove the interference patterns.&#13;
&#13;
These results should be of interest for the optimisation of the data reduction pipelines of instruments using optical fibres. Considering these results will benefit innovations and developments of high performance fibre systems.</abstract>
    <identifier type="urn">urn:nbn:de:kobv:526-opus4-15295</identifier>
    <enrichment key="opus.import.date">2021-09-17T08:22:28+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
    <enrichment key="opus.import.user">sword</enrichment>
    <enrichment key="opus.import.file">filename=phpQBrpHM</enrichment>
    <enrichment key="opus.import.checksum">efe78858a43b19b2d60cf742c3c833f9</enrichment>
    <enrichment key="DOI_VoR">https://doi.org/10.1117/12.2233676</enrichment>
    <enrichment key="CopyrightInfo">Copyright 2016 Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.</enrichment>
    <enrichment key="SourceTitle">Yazmin Padilla Michel, Silvio Pulwer, Pouneh Saffari, Viachaslau Ksianzou, and Sigurd Schrader "On the origin and removal of interference patterns in coated multimode fibres", Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 991255 (22 July 2016); https://doi.org/10.1117/12.2233676</enrichment>
    <licence>Das Dokument ist urheberrechtlich geschützt.</licence>
    <author>Yazmin Padilla-Michel</author>
    <author>Silvio Pulwer</author>
    <author>Pouneh Saffari</author>
    <author>Viachaslau Ksianzou</author>
    <author>Sigurd Schrader</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>instrumentation</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>multimode fibre</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>bending loss</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>fringing</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>interference</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>coating material</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>data reduction</value>
    </subject>
    <collection role="ddc" number="620">Ingenieurwissenschaften und zugeordnete Tätigkeiten</collection>
    <collection role="institutes" number="">Fachbereich Ingenieur- und Naturwissenschaften</collection>
    <collection role="open_access" number="">open_access</collection>
    <collection role="Import" number="import">Import</collection>
    <collection role="green_open_access" number="2">Green Open Access</collection>
    <thesisPublisher>Technische Hochschule Wildau</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-th-wildau/files/1529/991255.pdf</file>
  </doc>
  <doc>
    <id>1530</id>
    <completedYear>2016</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>51</pageFirst>
    <pageLast>56</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>SPIE</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Triangulation-based 3D surveying borescope</title>
    <abstract language="eng">In this work, a measurement concept based on triangulation was developed for borescopic 3D-surveying of surface defects. The integration of such measurement system into a borescope environment requires excellent space utilization. The triangulation angle, the projected pattern, the numerical apertures of the optical system, and the viewing angle were calculated using partial coherence imaging and geometric optical raytracing methods. Additionally, optical aberrations and defocus were considered by the integration of Zernike polynomial coefficients. The measurement system is able to measure objects with a size of 50 μm in all dimensions with an accuracy of ± 5 μm. To manage the issue of a low depth of field while using an optical high resolution system, a wavelength dependent aperture was integrated. Thereby, we are able to control depth of field and resolution of the optical system and can use the borescope in measurement mode with high resolution and low depth of field or in inspection mode with low resolution and higher depth of field. First measurements of a demonstrator system are in good agreement with our simulations.</abstract>
    <identifier type="urn">urn:nbn:de:kobv:526-opus4-15307</identifier>
    <enrichment key="opus.import.date">2021-09-17T08:47:18+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
    <enrichment key="opus.import.user">sword</enrichment>
    <enrichment key="opus.import.file">filename=phpDjUR2J</enrichment>
    <enrichment key="opus.import.checksum">bfe2033b55e7dfd0ecc0475870d4f97e</enrichment>
    <enrichment key="DOI_VoR">https://doi.org/10.1117/12.2225203</enrichment>
    <enrichment key="CopyrightInfo">Copyright 2016 Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.</enrichment>
    <enrichment key="SourceTitle">S. Pulwer, P. Steglich, C. Villringer, J. Bauer, M. Burger, M. Franz, K. Grieshober, F. Wirth, J. Blondeau, J. Rautenberg, S. Mouti, and S. Schrader "Triangulation-based 3D surveying borescope", Proc. SPIE 9890, Optical Micro- and Nanometrology VI, 989009 (26 April 2016); https://doi.org/10.1117/12.2225203</enrichment>
    <licence>Das Dokument ist urheberrechtlich geschützt.</licence>
    <author>Silvio Pulwer</author>
    <author>Patrick Steglich</author>
    <author>Claus Villringer</author>
    <author>Joachim Bauer</author>
    <author>Martin Burger</author>
    <author>M. Franz</author>
    <author>K. Grieshober</author>
    <author>F. Wirth</author>
    <author>J. Blondeau</author>
    <author>J. Rautenberg</author>
    <author>S. Mouti</author>
    <author>Sigurd Schrader</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>borescope</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>3D measurement</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>triangulation</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>lens design</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>calibration</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>defect</value>
    </subject>
    <collection role="ddc" number="620">Ingenieurwissenschaften und zugeordnete Tätigkeiten</collection>
    <collection role="institutes" number="">Fachbereich Ingenieur- und Naturwissenschaften</collection>
    <collection role="open_access" number="">open_access</collection>
    <collection role="Import" number="import">Import</collection>
    <collection role="green_open_access" number="2">Green Open Access</collection>
    <thesisPublisher>Technische Hochschule Wildau</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-th-wildau/files/1530/989009.pdf</file>
  </doc>
  <doc>
    <id>533</id>
    <completedYear>2016</completedYear>
    <publishedYear>2016</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>45</pageFirst>
    <pageLast>48</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>20</volume>
    <type>articlewildau</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>2016-03-21</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Advanced Nanophotonics: Silicon-Organic Hybrid Technology</title>
    <abstract language="eng">Integrated photonic devices have gained increasing research interests. Especially silicon photonics have become very attractive for various optical applications. Using silicon-on-insulator as a material platform provides the ability to fabricate photonic devices with electronic devices on a single chip. Driven by substantial research investments, the integration of photonic devices on silicon-on-insulator substrates has reached a degree of maturity that already permits industrial adoption. However, silicon has the disadvantage of linear electro-optical effects, and, therefore, advanced modulation formats are difficult to realize when using silicon-based high-speed modulators. Hence, a new approach was proposed: the silicon-organic hybrid technology. This technology is a viable extension of the silicon-on-insulator material system for efficient high-speed modulation. We herewith present our theoretical and experimental investigations of the silicon-organic hybrid slot-waveguide ring resonator. The advanced device design is described in detail, which allows using both, the efficient silicon-on-insulator strip-waveguides and the silicon-organic hybrid slot-waveguides in single ring resonator. For the first time, we report the transmission spectra of such a resonator covered with an electro-optical polymer.</abstract>
    <abstract language="deu">Integrierte photonische Bauelemente werden in der Forschung immer bedeutender. Besonders die Siliziumphotonik ist für verschiedene optische Anwendungen sehr attraktiv. Die Verwendung von Silizium-auf-Isolator-Materialsystemen bietet die Möglichkeit, photonische Bauelemente mit elektronischen Geräten auf einem einzelnen Chip zu entwickeln. Durch erhebliche Forschungsinvestitionen hat die photonische Integration auf Silizium-auf-Isolator-Substraten einen Reifegrad, der bereits Industriemaßstäben genügt. Jedoch hat Silizium keinen linearen elektrooptischen Effekt und damit sind moderne Modulationsformate nur schwierig zu realisieren. Daher wird seit eingen Jahren ein neuer Ansatz, die Silizium-Organik Hybridtechnologie, verfolgt. Diese Technologie ist eine tragfähige Ausdehnung des Silizium-auf-Isolator-Materialsystems für eine effiziente Hochgeschwindigkeitsmodulation und optische Signalverarbeitung. In diesem Artikel präsentieren wir unsere theoretischen und experimentellen Untersuchungen zu einem Silizium-Organik Hybrid Ringresonator. Das Design und die Herstellung des neuartigen nanophotonischen Bauelements werden im Detail beschrieben. Der demonstrierte Ringresonator kombiniert die Vorteile zweier verschiedener Wellenleiterarten in einem einzelnen Ring, dem verlustarmen Kanal-Wellenleiter und dem Silizium-organischen Hybridschlitzwellenleiter. Wir demonstrieren erstmals ein Transmissionsspektrum eines solchen Ringresonators, der mit einem elektro-optischen Polymer beschichtet ist.</abstract>
    <parentTitle language="eng">Wissenschaftliche Beiträge 2016</parentTitle>
    <identifier type="issn">0949-8214</identifier>
    <identifier type="doi">10.15771/0949-8214_2016_1_6</identifier>
    <identifier type="urn">urn:nbn:de:kobv:526-opus4-5337</identifier>
    <enrichment key="ZSTiteliD">16238</enrichment>
    <licence>Creative Commons - CC BY-NC-ND 3.0 DE - Namensnennung - Nicht-kommerziell - Keine Bearbeitung 3.0 Deutschland</licence>
    <author>Patrick Steglich</author>
    <author>Claus Villringer</author>
    <author>Silvio Pulwer</author>
    <author>Joachim Bauer</author>
    <author>Friedhelm Heinrich</author>
    <author>Mauro Casalboni</author>
    <author>Sigurd Schrader</author>
    <collection role="ddc" number="535">Licht, Infrarot- und Ultraviolettphänomene</collection>
    <collection role="ddc" number="621">Angewandte Physik</collection>
    <collection role="Publikationen_der_TH_Wildau" number="">Wissenschaftliche Beiträge</collection>
    <collection role="institutes" number="">Fachbereich Ingenieur- und Naturwissenschaften</collection>
    <collection role="open_access" number="">open_access</collection>
    <collection role="green_open_access" number="3">Diamond Open Access</collection>
    <thesisPublisher>Technische Hochschule Wildau</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-th-wildau/files/533/Advanced_Nanophotonics.pdf</file>
  </doc>
</export-example>
