Fig. 2: Experiment for the generation of full-spectrum laser from the cascaded HCF, bare LN and CPPLN module driven by intense mid-IR femtosecond pulse laser output from an OPCPA system. | Light: Science & Applications

Fig. 2: Experiment for the generation of full-spectrum laser from the cascaded HCF, bare LN and CPPLN module driven by intense mid-IR femtosecond pulse laser output from an OPCPA system.

From: Intense ultraviolet–visible–infrared full-spectrum laser

Fig. 2

a Schematic diagram of the HCF-LN-CPPLN experimental setup. W, CaF2 window; M, mirror. b The bright white-light circular spot emitting from the CPPLN sample. c The 1st-order diffraction beam of (b), showing a colorful rainbow pattern from violet to red

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