A novel linearity tester for optical detectors using high-brightness light emitting diodes Shin, Dong-Joo ; Lee, Dong-Hoon ; Park, Chul-Woung ; Park, Seung-Nam Abstract Publication: Metrologia Pub Date: April 2005 DOI: 10.1088/0026-1394/42/2/011 Bibcode: 2005Metro..42..154S