Murk, A., Kämpfer, N., Wylde, R., Inatani, J., Manabe, T., & Seta, M. (2001). Characterization of various quasi-optical components for the submillimeter limb-sounder SMILES. In _Proc. 12th Int. Symp. Space Terahertz Technol._ (pp. 426–435).