Off-axis three-mirror freeform telescope with a large linear field of view based on an integration mirror Meng, Qingyu ; Wang, Hongyuan ; Wang, Kejun ; Wang, Yan ; Ji, Zhenhua ; Wang, Dong Abstract Publication: Applied Optics Pub Date: November 2016 DOI: 10.1364/AO.55.008962 Bibcode: 2016ApOpt..55.8962M