WebNov 24, 2009 · Abstract. This is a program for calculating characteristics of collinear and non-collinear phase matching in both uniaxial and biaxial crystals. In particular, this … WebMay 17, 2024 · Figure 2. Collinear phase-matching measurements. (a) Example spectra of the pump and signal waves when measured after propagating independently through a …
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WebWhen three or more points lie on a straight line. (Two points are always in a line.) These points are all collinear (try moving them): WebNov 1, 2014 · For type I phase-matched non-collinear optical parametric amplification with uniaxial nonlinear crystals (such as BBO and KDP), two possible phase-matching geometries exist. In one orientation, the non-collinear angle between pump and signal pulse is compensated by the walk-off and is called the Poynting vector walk-off compensation … mesin cooling unit
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WebFeb 16, 2024 · For instance, the non-degenerate FWM scheme, obeying phase matching relation in Fig. 5a and b, has divided the ever-collinear pump wavevectors into separate k p1 and k p2, respectively. WebNov 1, 2014 · Fig. 1 shows a typical non-collinear type I phase-matching configuration for a uniaxial crystal. The pump is extraordinarily polarized (e wave) and perpendicularly … WebSep 29, 2024 · Under different phase-matching configurations, the second-harmonic wave exhibits variable OAM spectral characteristics such as the presence of just a single value or of odd orders only. ... For θ = 90 ° and α = 0 °, this is the collinear SHG. (b) Phase-matching configurations for collinear SHG , nonlinear Bragg diffraction , and nonlinear ... mesin crossplane