List of Publications, David Sparre Hermann

A. Refereed scientific journal articles

A.1.Low-Voltage Optical Devices based on Liquid Crystal Photonic BandGap Fibres

T. T. Larsen, J. Broeng, D. S. Hermann and A. Bjarklev.
Applied Nanoscience, in press (2003).
http://www.openmindjournals.com/nano.html

A.2.Optical Devices based on Liquid Crystal Photonic BandGap Fibres
T. T. Larsen, A. Bjarklev, D. S. Hermann and J. Broeng.
Optics Express, 11(20), 2589-2596 (2003).
http://www.opticsexpress.org/abstract.cfm?URI=OPEX-11-20-2589
News coverage:
http://optics.org/articles/news/9/10/23 and http://fibers.org/articles/news/5/10/18/1

A.3.Fully Leaky Guided Mode Study of an Orthoconic Antiferroelectric Liquid Crystal Cell Deviating From Perfect Horizontal Surface-Stabilization.
G.Scalia, P.Rudquist, D.S.Hermann, K.D'havé, S.T.Lagerwall and J.R.Sambles.
J. Appl. Phys., 91, 9667-9675 (2002).
http://link.aip.org/link/?jap/91/9667

A.4.Integrated Electro-Optic Switches Based on Ferroelectric liquid crystal waveguides.
L.Sirleto, D.S.Hermann, G.Scalia, F.De Marco, L.Komitov, M.Lindgren, P.Mormile, G.-C.Righini and G.Abbate.
Fiber & Integrated Optics, 21, 277-293 (2002).
http://taylorandfrancis.metapress.com/link.asp?id=ene1u0804de2dnum

A.5.Novel passive polymer waveguides integrated with electro-optically active ferroelectric liquid crystals.
D.S.Hermann, G.Scalia, C.Pitois, F.De Marco, K.D'havé, G.Abbate, M.Lindgren and A.Hult.
Opt. Eng. 40, 2188-2198 (2001).
http://bookstore.spie.org/index.cfm?fuseaction=detailpaper&cachedsearch=1&volume=40&fpage=2188&coden=OPEGAR&producttype=pdf
News coverage: Photonics Spectra, Feb. 2002, p.22:
http://www.photonics.com/spectra/tech/read.asp?techid=1310

A.6.Time-dependent nonlinear optical properties of pyroelectric liquid crystalline polymers.
J.Örtegren, P.Busson, A.Hult, U.W.Gedde, A.Eriksson, M.Lindgren, D.S.Hermann, P.Rudquist and S.T.Lagerwall.
Macromol. Symp. 148, 179-195 (1999).

A.7.Langevin Type Alignment in a Smectic Liquid Crystal Mixture Showing V-Shaped Switching As Studied by Optical Second-Harmonic Generation.
S.-S. Seomun, B.Park, A.D.L.Chandani, D.S.Hermann, Y.Takanishi, K.Ishikawa, H.Takezoe and A.Fukuda.
Jap. J. Appl. Phys. 37, L691-L693 (1998).
http://jjap.ipap.jp/link?JJAP/37/L691/
http://www.jstage.jst.go.jp/article/jjap/37_Part2/6B/37_L691/_article

A.8.Influence of molecular tilt angle on the SHG response of pyroelectric liquid crystalline polymers.
J.Örtegren, P.Busson, M.Lindgren, D.S.Hermann, P.-O.Arntzen, F.Sahlén, M.Trollsås, U.W.Gedde, A.Hult, L.Komitov, S.T.Lagerwall, P.Rudquist and B.Stebler.
Opt. Mater. 9, 220-225 (1998).
http://dx.doi.org/10.1016/S0925-3467(97)00093-1

A.9.Second harmonic light generation in pyroelectric liquid-crystal polymers.
M.Lindgren, D.S.Hermann, J.Örtegren, P.-O.Arntzén, U.W.Gedde, A.Hult, L.Komitov, S.T.Lagerwall, P.Rudquist, B.Stebler, F.Sahlén and M.Trollsås.
J. Opt. Soc. Am. B, 15, 914-922 (1998).
http://www.opticsinfobase.org/abstract.cfm?id=35367
http://fy.chalmers.se/~f9adh/pub/JOB00914.pdf

A.10.Opto-thermal reorientation of nematics with two-fold degenerate alignment.
P.Jägemalm, D.S.Hermann, L.Komitov and F.Simoni.
Liq. Cryst. 24, 335-340 (1998).
http://taylorandfrancis.metapress.com/link.asp?id=4wwcb0x3te1xp08f

A.11.Second-Harmonic Generation in a Novel Crosslinked Pyroelectric Liquid Crystal Polymer (PLCP).
D.S.Hermann, P.Rudquist, S.T.Lagerwall, L.Komitov, B.Stebler, M.Lindgren, M.Trollsås, F.Sahlén, A.Hult, U.W.Gedde, C.Orrenius and T.Norin.
Liq. Cryst. 24, 295-310 (1998).
http://taylorandfrancis.metapress.com/link.asp?id=9g3nj5def60wac93

A.12.Phase properties in relation to mesogen length in chiral side-chain polysiloxanes.
M.Svensson, B.Helgee, K.Skarp, G.Andersson and D.Hermann.
Polymer, 38(13), 3269-3278 (1997).
http://dx.doi.org/10.1016/S0032-3861(96)00846-4

A.13.Flexoelectric Polarization Changes Induced by Light in a Nematic Liquid Crystal.
D.S.Hermann, P.Rudquist, K.Ichimura, K.Kudo, L.Komitov and S.T.Lagerwall.
Phys. Rev. E 55, 2857-2860 (1997).
http://link.aps.org/abstract/PRE/v55/p2857
http://dx.doi.org/10.1103/PhysRevE.55.2857

A.14.Preparation of a Novel Cross-Linked Polymer for Second-Order Nonlinear Optics.
M.Trollsås, C.Orrenius, F.Sahlén, U.W.Gedde, T.Norin, A.Hult, D.Hermann, P.Rudquist, L.Komitov, S.T.Lagerwall and J.Lindström.
J. Am. Chem. Soc. 118, 8542-8548 (1996).
http://fy.chalmers.se/~f9adh/pub/ja961309e.pdf

A.15.Novel Thermally Stable Polymer Materials for Second-Order Nonlinear Optics.
M.Trollsås, F.Sahlén, U.W.Gedde, A.Hult, D.Hermann, P.Rudquist, L.Komitov, S.T.Lagerwall, B.Stebler, J.Lindström and O.Rydlund.
Macromolecules 29, 2590-2598 (1996).
http://fy.chalmers.se/~f9adh/pub/ma9511154.pdf

A.16.A Pyroelectric Liquid Crystal Polymer (PLCP) for Second-Harmonic Generation.
A.Hult, F.Sahlén, M.Trollsås, S.T.Lagerwall, D.Hermann, L.Komitov, P.Rudquist and B.Stebler.
Liq. Cryst. 20, 23-28 (1996).

A.17.Light-induced director reorientation through the electroclinic effect and optic axis rotation in a chiral smectic A liquid crystal.
D. Hermann, L. Komitov and F. Simoni.
Opt. Lett. 20, 1116-1118 (1995).
http://fy.chalmers.se/~f9adh/pub/OptLett_20_1116.pdf

A.18.Synthesis and electro-optical behaviour of a new chiral smectic side-chain polysiloxane.
M. Svensson, B. Helgee, T. Hjertberg, D. Hermann and K. Skarp.
Polymer Bulletin 31, 167 (1993).

B. Refereed conference reports published in proceedings

B.1.Second-Harmonic Generation in Chiral Liquid Crystals,

D.S.Hermann.
Mol.Cryst. Liq. Cryst. 358, 167-183 (2001).

B.2.Electro-Optic Modulation of Light by a Planar Waveguide Based on Ferroelectric Liquid Crystals,
D.S.Hermann, F.De Marco, G.Scalia, L.Sirleto, G.-C.Righini, M.Lindgren and G.Abbate,
Mol. Cryst. Liq. Cryst. 352, 379-388 (2000).

B.3.Integrated Electro-Optic Switch Based on a Ferroelectric Liquid Crystal Waveguide.
G.Scalia, D.S.Hermann, G.Abbate, L.Komitov, P.Mormile, G.-C.Righini and L.Sirleto.
Mol. Cryst. Liq. Cryst. 320, 321-335 (1998).

B.4.Second-Harmonic Generation in the QBS Geometry of Ferroelectric Liquid Crystals.
D.S.Hermann, M. Lindgren and S.T.Lagerwall.
Ferroelectrics, 213, 35-44 (1998).

B.5.The Influence of Chiral Strength on the Spontaneous Polarization and the Second-Order Nonlinear Optical Susceptibility in Ferroelectric Liquid Crystals.
D.S.Hermann, A.Hult, L.Komitov, S.T.Lagerwall, F.Sahlén and M.Trollsås.
Ferroelectrics, 213, 23-33 (1998).

B.6.Pyroelectric Polymers for Nonlinear Optics.
D.S.Hermann, A.Hult, L.Komitov, S.T.Lagerwall and M.Lindgren.
Ferroelectrics, 213, 11-21 (1998).

B.7.Nonlinear Optical Phenomena in the Chiral Smectic A Phase.
D.Hermann, L.Komitov, and F.Simoni.
Mol. Cryst. Liq. Cryst. 282, 67-89 (1996).

B.8.Induced Polarization in the SmA*-Phase: A Comparison of Theoretical Models and Experimental Methods.
D.Hermann, L.Komitov, S.T.Lagerwall, G.Andersson, R.Shashidar, J.V.Selinger and F.Gießelmann
Ferroelectrics, 181, 371-378 (1996).

B.9.Chiral Liquid-Crystalline Side-Chain Polymers: Effects of Side-Chain Length on Physical Properties.
M.Svensson, B.Helgee, K.Skarp, G.Andersson and D.Hermann.
Ferroelectrics, 181, 319-326 (1996).

B.10.New Fluorinated Chiral Side-Chain Polymers with Very Large Tilt Angles in the Smectic C* Phase.
H. Poths, R. Zentel, D. Hermann, G. Andersson and K. Skarp.
Ferroelectrics 148, 285 (1993).

C. Other scientific reports, conference reports, etc.

C.1.Liquid Crystals Optical Properties and Basic Devices.

S.T.Lagerwall, P.G.Rudquist and D.S.Hermann.
Entry in Encyclopedia of Optical Engineering, ed. R.G.Driggers
(Marcel Dekker, New York, 2003), pp. 1159-1176.
ISBN: 0-8247-4258-3.
http://www.dekker.com/servlet/product/DOI/101081EEOE120009601

C.2.Liquid Crystals Cholesteric, Guest-Host, and Polymer-Dispersed Liquid Crystal Devices.
S.T.Lagerwall, P.G.Rudquist and D.S.Hermann.
Entry in Encyclopedia of Optical Engineering, ed. R.G.Driggers
(Marcel Dekker, New York, 2003), pp. 1128-1135.
ISBN: 0-8247-4258-3.
http://www.dekker.com/servlet/product/DOI/101081EEOE120014868

C.3.Liquid Crystals New Electro-optic Modes and Applications.
S.T.Lagerwall, P.G.Rudquist and D.S.Hermann.
Entry in Encyclopedia of Optical Engineering, ed. R.G.Driggers
(Marcel Dekker, New York, 2003), pp. 1136-1150.
ISBN: 0-8247-4258-3.
http://www.dekker.com/servlet/product/DOI/101081EEOE120014869

C.4.Liquid Crystals Nonlinear Optical Effects in Liquid Crystals.
S.T.Lagerwall, P.G.Rudquist and D.S.Hermann.
Entry in Encyclopedia of Optical Engineering, ed. R.G.Driggers
(Marcel Dekker, New York, 2003), pp. 1151-1158.
ISBN: 0-8247-4258-3.
http://www.dekker.com/servlet/product/DOI/101081EEOE120014870

C.5.Integrated Optics with Liquid Crystals.
D.S.Hermann.
Prestudy, carried out within FMV-funded project: Photonics in Defence Applications, phase 1 (2000).
http://fy.chalmers.se/~f9adh/pub/LCIO-Hermann.pdf

C.6.The Influence of the Molecular Structure on the Second-Order Nonlinear Optical Properties of Pyroelectric Liquid Crystalline Polymers.
M.Trollsås, F.Sahlén, P.Busson, J.Örtegren, U.W.Gedde, A.Hult, M.Lindgren, D.Hermann, P.Rudquist, L.Komitov, B.Stebler and S.T.Lagerwall.
Chapter 23 in ACS Symposium Series 695 ÒOrganic Thin FilmsÓ, ed. C.W.Frank
(Oxford University Press, Oxford, 1998), pp. 315-327.

D. Other publications (surveys, course material, popular science, etc.)

D.1.MC2C-03: 1^st PhD student Conference at MC2, Chalmers

D.S.Hermann, M.S.Kabir, K.Khamchane and T.Torounidis, eds.
Proceedings of the MC2C-03 (Chalmers University of Technology, Gsteborg, 2003).
ISSN 1403-3259
RR no. 13.

D.2.Electro-optic and opto-optic effects in liquid crystal waveguides.
G.Scalia, D.S.Hermann, F.De Marco, P.Mormile and G.Abbate.
Proc. SPIE, 3800, 112-120 (1999).

D.3.Optical anisotropy of pyroelectric liquid crystalline films: Analysis and m-line characterization.
M. Lindgren, J. Örtegren, P.Busson, A.Eriksson, D.S.Hermann, A.Hult, U.W.Gedde, P.Rudquist, S.T.Lagerwall and B.Stebler.
Proc. SPIE, 3475, 76-87 (1998).

D.4.Surface Sensitive V-Shaped Switching in Antiferroelectric and Ferroelectric Liquid Crystals.
H.Takezoe, A.D.L.Chandani, S.-S.Seomun, B.Park, D.S.Hermann, Y.Takanishi and K.Ishikawa.
Proc. of the 18^th IDRC of the SID, (Seoul), LC-3, pp.23-30 (1998).

D.5.Interaction of Light with Liquid Crystals. Development of Novel Polymer Nonlinear Optical Materials.
David Sparre Hermann.
PhD Thesis (Chalmers University of Technology, Gsteborg, 1997).
ISBN 91-7197-453-9.

D.6.A Quantum Chromodynamics Analysis of the Ca Structure Function
David Hermann.
Diploma Thesis (Uppsala University, Uppsala, 1992).

E. Patents, etc

E.1.Non-Linear Optic Polymer Material: Polar organic polymer with tilted liquid crystalline structure, procedure for production thereof and use thereof, S. T. Lagerwall, B. A. Hult, C. F. Sahlén, O. M. Trollsås, D. Hermann, L. Komitov, P. Rudquist and B. Stebler. Swedish pat.#505409, 25 Aug 1997.