Polymer-based hybrid integrated optical photochromic switch
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This study presents development and characterization of an optical photochromic switch, in which guided signal is controlled by reversible photochromic properties of a polymeric film. The device is a hybrid structure composed of a waveguide fabricated by means of an ionic exchange technique, using (Na /K ) on a glass substrate and a polymeric thin film deposited on the same glass substrate surface. Polymeric film belongs to spiropirans family, which when radiated by a wavelength within its absorption band displays reversible changes in its optical properties. Two kinds of optical pumping and different pumping wavelengths were studied to operate this device. © 2012 The Council of Scientific and Industrial Research, New Delhi. All rights reserved.
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This study presents development and characterization of an optical photochromic switch, in which guided signal is controlled by reversible photochromic properties of a polymeric film. The device is a hybrid structure composed of a waveguide fabricated by means of an ionic exchange technique, using (Na%2b/K%2b) on a glass substrate and a polymeric thin film deposited on the same glass substrate surface. Polymeric film belongs to spiropirans family, which when radiated by a wavelength within its absorption band displays reversible changes in its optical properties. Two kinds of optical pumping and different pumping wavelengths were studied to operate this device. © 2012 The Council of Scientific and Industrial Research, New Delhi. All rights reserved.
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Hybrid device; Integrated optics devices; Ionic exchange technique; Optical control; Optical properties; Photochromism; Polymers; Thin films absorption; alkali metal; biofilm; hybrid; integrated approach; ion exchange; optical property; polymer; wavelength
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