PT Journal AU Uzawa, Y Miki, S Wang, Z Kawakami, A Kroug, M Yagoubov, P Kollberg, E TI Performance of a quasi-optical NbN hot-electron bolometric mixer at terahertz frequencies SO Superconductor Science and Technology JI Supercond. Sci. Technol. PY 2002 BP 141 EP 145 VL 15 IS 1 DI 10.1088/0953-2048/15/1/325 DE HEB; mixer ER