TY - RPRT TI - White LED light coupling into light guides with diffraction gratings. AU - Samuli Siitonen AU - Pasi Laakkonen AU - Pasi Vahimaa AU - Markku Kuittinen AU - Noora Tossavainen PY - 2006 DO - 10.1364/ao.45.002623 UR - https://pubmed.ncbi.nlm.nih.gov/16633411/ ID - 16633411 ER -