Photonic band structure of colloidal crystal self-assembled in hollow core optical fiber

Lin, Y.; Herman, P. R.; Valdivia, C. E.; Li, J.; Kitaev, V.; Ozin, G. A.
March 2005
Applied Physics Letters;3/21/2005, Vol. 86 Issue 12, p121106
Academic Journal
We report detailed stop-band measurements in colloidal photonic crystals, and a comparison with photonic band structure calculations. An achieved growth of colloidal photonic crystals in a hollow core optical fiber provides an optically accessible self-assembled system with controllable crystal orientations. The stop band is measured through optical transmissions as a function of incident angles relative to main crystallographic directions, revealing critical band structure information and indicating the high quality of the crystal formed.


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