Upconversion of Broadband Infrared Radiation into Visible Light for Different Pumping Parameters

Figure 2

Spectra of converted broadband radiation for convergent input beams in LN: (a) type of phase matching: 1−oo-e; 2−oe-e and (b) for different temperatures of thermal object: 1–1940 K; 2–2097 K; 3–2337 K; 4–2456 K.

(a)

(b)