TY - RPRT TI - Trends and opportunities in photonics technologies : solid-state lighting and healthcare AU - White, Grady S AU - Bertness, Kris A PY - 2006 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 7305 DO - 10.6028/NIST.IR.7305 ER -