1 paper
Srinivasa Rao Allam, Mudasir H Dar, N Venkatramaiah +2
Self-diffraction rings or spatial self-phase modulation (SSPM) was observed in tetra-phenyl porphyrin derivative 5,10,15,20 - meso-tetrakis (4-hydroxyphenyl) porphyrin (H2TPP(OH)4)…