PT Unknown AU Florya, IN Korneeva, YP Sidorova, MV Golikov, AD Gaiduchenko, IA Fedorov, GE Korneev, AA Voronov, BM Goltsman, GN Samartsev, VV Vinogradov, EA Naumov, AV Karimullin, KR TI Energy relaxtation and hot spot formation in superconducting single photon detectors SSPDs SE EPJ Web of Conferences PY 2015 BP 10004 (1 to 2) VL 103 DI 10.1051/epjconf/201510310004 DE SSPD; SNSPD AB We have studied the mechanism of energy relaxation and resistive state formation after absorption of a single photon for different wavelengths and materials of single photon detectors. Our results are in good agreement with the hot spot model. ER