TY - RPRT TI - Estimation method for the light extraction efficiency of light-emitting elements with a rigorous grating diffraction theory. AU - Hisao Kikuta AU - Shunsuke Hino AU - Akira Maruyama AU - Akio Mizutani PY - 2006 DO - 10.1364/josaa.23.001207 UR - https://pubmed.ncbi.nlm.nih.gov/16642199/ ID - 16642199 ER -