Device and method for producing ultra wide band optical radiation
An ultra-broadband, optical radiation technology, applied in optics, lasers, nonlinear optics, etc., can solve problems such as poor coherence and insufficient bandwidth, and achieve high flatness
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Embodiment 1
[0039] figure 1 It is a schematic structural diagram of Embodiment 1 of the present invention: a mid-infrared ultra-broadband optical parametric oscillator. It includes a mode-locked laser (1), an optical isolator (2), an optical shaping system (3), a concave mirror pair (4), a nonlinear optical crystal (5), an output coupling mirror (6), and an intracavity delay adjustment Component (7) and mid-infrared filter (8). It is characterized in that: the laser light of the mode-locked laser is pumping light, and the nonlinear optical crystal is set inside the resonant cavity. The two together with the pumping laser form an optical parametric oscillator. The central wavelength of the pumping light is related to the specific signal wavelength and idler wavelength. Quasi-phase matching is realized in nonlinear crystals, and optical parametric oscillation can be realized when the optical power of the pump light is higher than the threshold of the optical parametric oscillator; couplin...
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