STEADY STATE OPERATION OF A NON-LINEAR FABRY-PEROT FOR OBLIQUE INCIDENCE : POLARIZATION AND BEAM ANGLE DEPENDENCE H. THIENPONT, J. DANCKAERT, I. VERETENNICOFF, D. JÄGER et F. FORSMANN J. Phys. Colloques, 49 C2 (1988) C2-137-C2-140 DOI: 10.1051/jphyscol:1988232