An improved transmitting multi-layer thin-film filter

Zhang Ying^a),^b), Qi Hong-Ji^a), Yi Kui^a), Wang Yan-Zhi^a), Sui Zhan^c), Shao Jian-Da^a)†

Angular resolution of short and long wave-pass cutoff filter-combination device with different period numbers ( n = 20, 25, 30, 35) and oblique angles of incidence (30°, 45°, and 60°).