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Sol–Gel Substrates with Engineered Multiple Photonic Bandgaps for Full‐Color Photonic Devices
Author(s) -
Lee Seong Hwan,
Ha Na Young
Publication year - 2011
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201101083
Subject(s) - materials science , structural coloration , photonic crystal , sol gel , photonics , optoelectronics , laser , resonator , nanotechnology , optics , physics
An inorganic glass film with engineered multiple photonic bandgaps (MPBGs) is fabricated by sol–gel processing. This sol–gel film consists of TiO 2 , SiO 2 , and mixed SiO 2 –TiO 2 films and has controllable characteristics of MPBGs in the overall visible region. By using the sol–gel film as a resonator, a red–green–blue pixelated liquid‐crystal laser is also demonstrated.