OPTICAL PARAMETRIC OSCILLATOR COMPRISING TWO NONLINEAR CRYSTALS

摘要

An optical parametric oscillator comprising two nonlinear crystals (4, 4') in a same resonant cavity (2), which also comprises wavelength selective means (M2, M4) to extract from the resonant cavity idler waves (I, I') generated by each nonlinear crystal (4, 4'). The disclosed oscillator is fed either with a single pump (P), or with two pumps (P, P'), being able to generate two independent signal waves (S, S') with tuneable wavelengths and power.