Abstract
A woodpile photonic crystal template with body-centered-cubic symmetry can be fabricated by exposing the photoresist to a four-beam interference pattern or a pattern generated through a diffractive optical element. We present detailed photonic band-gap calculations for photonic structures obtained under various possible fabrication conditions. The woodpile photonic crystal has a full photonic band gap up to 19% of the gap center frequency when the photoresist template is converted into silicon. The tolerance of the band gap to deviations of the structural parameters from their optimum values indicates great flexibility of the holographic fabrication process.
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