Abstract
Two multilayer structures are taken, the first multilayer is having a sequence LHLHLHLHLHLHLHLH of low (denoted by L) and high refractive index (denoted by H) material layers in the structure and the second multilayer is having a sequence LLLHHLHHLLLHHLHH. These two multilayer structures were tested for optical filtering in temperature unstable environments. The first multilayer structure shows a large shift in the output spectrum, even for a slightest temperature change. While the second multilayer structure shows a negligible shift in the output spectrum even for large changes in the environmental temperature. The transmission spectrum shift observed per degree rise in temperature in the second multilayer structure was 62.5% less than the shift observed in first multilayer. Second multilayer structure is a superior substitute to conventional LHLHLHLHLHLHLHLH sequence 1D Photonic Band Gap structure.
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