Stimulated emission from pyrromethene 597 in holographic polymer dispersed liquid crystal structures

Rachel Jakubiak; Vincent P. Tondiglia; Lalgudi V. Natarajan; Richard L. Sutherland; Pamela Lloyd; Timothy Bunning; Richard A. Vaia

doi:10.1117/12.591048

4 April 2005 Stimulated emission from pyrromethene 597 in holographic polymer dispersed liquid crystal structures

Rachel Jakubiak, Vincent P. Tondiglia, Lalgudi V. Natarajan, Richard L. Sutherland, Pamela Lloyd, Timothy Bunning, Richard A. Vaia

Author Affiliations +

Proceedings Volume 5724, Organic Photonic Materials and Devices VII; (2005) https://doi.org/10.1117/12.591048
Event: Integrated Optoelectronic Devices 2005, 2005, San Jose, California, United States

Abstract

Holographic polymerization of liquid crystal containing photopolymerizable resins enables one-step, rapid formation of multi-phase structures that exhibit partial photonic band gaps. These holographic polymer dispersed liquid crystals (H-PDLCs) provide a versatile platform for diffractive optical elements because the structures are not limited by multi-phase equilibrium but are controlled by the interference of multiple lasers at discrete angles. Incorporation of laser dyes into H-PDLCs form 1-D and 2-D optically pumped distributed feedback lasers. Linewidths as narrow as 1.8 nm are observed with laser thresholds below 1 mJ/cm² in 2-D columnar structures compared to 9 nm and 25 mJ/cm2 exhibited by 1-D H-PDLC Bragg stack lasers. In the 2-D lattices the energy of the laser action can be tuned within the gain spectrum of the lasing medium by an applied electric field.

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Rachel Jakubiak, Vincent P. Tondiglia, Lalgudi V. Natarajan, Richard L. Sutherland, Pamela Lloyd, Timothy Bunning, and Richard A. Vaia "Stimulated emission from pyrromethene 597 in holographic polymer dispersed liquid crystal structures", Proc. SPIE 5724, Organic Photonic Materials and Devices VII, (4 April 2005); https://doi.org/10.1117/12.591048

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