Design and synthesis of ferroelectric liquid crystals. 15.¹ FLC materials for nonlinear optics applications

David M. Walba Lawrence Livermore National Laboratory, Livermore, CA, 94550, USA; Department of Chemistry and Biochemistry and Optoelectronic Computing Systems Center, University of Colorado, Boulder, CO, 80309-0215, USA; Displaytech, Inc., 2200 Central Avenue, Boulder, CO, 80301, USA

M. Blanca Ros Department of Chemistry and Biochemistry and Optoelectronic Computing Systems Center, University of Colorado, Boulder, CO, 80309-0215, USA

Teresa Sierra Department of Chemistry and Biochemistry and Optoelectronic Computing Systems Center, University of Colorado, Boulder, CO, 80309-0215, USA

James A. Rego Department of Chemistry and Biochemistry and Optoelectronic Computing Systems Center, University of Colorado, Boulder, CO, 80309-0215, USA

Noel A. Clark Department of Physics and Optoelectronic Computing Systems Center, University of Colorado, Boulder, CO, 80309-0390, USA; Displaytech, Inc., 2200 Central Avenue, Boulder, CO, 80301, USA

Renfan Shao Department of Physics and Optoelectronic Computing Systems Center, University of Colorado, Boulder, CO, 80309-0390, USA

Michael D. Wand Displaytech, Inc., 2200 Central Avenue, Boulder, CO, 80301, USA

Rohini T. Vohra Displaytech, Inc., 2200 Central Avenue, Boulder, CO, 80301, USA

Kenneth E. Arnett Displaytech, Inc., 2200 Central Avenue, Boulder, CO, 80301, USA

Stephan P. Velsco Lawrence Livermore National Laboratory, Livermore, CA, 94550, USA

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Abstract

We have recently reported the first FLCs designed specifically for large second order nonlinear optical (NLO) susceptibility χ⁽²⁾; a series of o-nitro-1-methylheptyloxy biphenylbenzoates and phenyl biphenylcarboxylates. Properties of a stable room-temperature C* mixture of two such components (1:1 W316/W317 = MX5679) are presented. The nonlinear susceptibility, as evidenced by the Type 1 eeo d_eff for second harmonic generation (SHG) from 1,064 nm light for MX5679 is indeed large relative to other FLCs which have been evaluated for χ⁽²⁾ (d_eff (ZLI3654) = 0.0016 pm/V, d_eff (SCE9) = 0.0037 pm/V, d_eff (MX5679) = 0.16 pm/V). The synthesis and some properties of second-generation FLCs designed for NLO applications is also described.

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Design and synthesis of ferroelectric liquid crystals. 15.¹ FLC materials for nonlinear optics applications

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Design and synthesis of ferroelectric liquid crystals. 15.¹ FLC materials for nonlinear optics applications