Direct optical observation of walls and disclination effects in active photonic devices
Liquid crystal tunable Bragg Gratings defined in planar substrates via a laser patterning technique exhibit complex wavelength tuning. This tuning displays threshold points and hysteresis. These tuning features are shown to be a manifestation of physical processes occurring in the confined geometry...
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| Main Authors: | , , , , , , , |
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| Format: | Article |
| Published: |
2009
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/4674/ |
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