A terahertz parameter source based on potassium titanyl phosphate crystal and its application
A potassium titanyl phosphate, terahertz technology, applied in the field of terahertz parametric sources, can solve the problem of not finding terahertz parametric sources, and achieve the effect of high nonlinear gain and high damage threshold of crystals
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Embodiment 1
[0036] A terahertz parameter source based on potassium titanyl phosphate crystal, including a laser pumping system, a terahertz parameter device and a cooling system; the terahertz parameter device includes a potassium titanyl phosphate crystal, and the laser pumping system emits pumping The laser light is irradiated along the terahertz parametric device, and the excited exciton scattering process of the potassium titanyl phosphate crystal constitutes the terahertz parameter source.
[0037] The terahertz wave output frequency range of the terahertz parameter source is 3.17-6.13THz.
[0038] The terahertz parametric device also includes a rear cavity mirror of the terahertz parametric device and an output mirror of the terahertz parametric device, and the laser emitted by the laser pumping system travels along the rear cavity mirror of the terahertz parametric device, potassium titanyl phosphate crystal and The output mirrors of the terahertz parametric device emit sequentiall...
Embodiment 2
[0054] Such as Figure 5 shown.
[0055] A terahertz parameter source based on potassium titanyl phosphate crystal, including a laser pumping system, a terahertz parameter device and a cooling system; the terahertz parameter device includes a potassium titanyl phosphate crystal, and the laser pumping system emits pumping The laser light is irradiated along the terahertz parametric device, and the excited exciton scattering process of the potassium titanyl phosphate crystal constitutes the terahertz parameter source.
[0056] The terahertz wave output frequency range of the terahertz parameter source is 3.17-6.13THz.
[0057] The terahertz parametric device also includes a rear cavity mirror of the terahertz parametric device and an output mirror of the terahertz parametric device, and the laser emitted by the laser pumping system travels along the rear cavity mirror of the terahertz parametric device, potassium titanyl phosphate crystal and The output mirrors of the terahert...
Embodiment 3
[0073] Such as Figure 6 As shown, a terahertz parametric source based on potassium titanyl phosphate crystal as described in Example 1, wherein the terahertz parametric device consists of the rear cavity mirror 4 of the terahertz parametric device, the output mirror 6 of the terahertz parametric device, and the angle Composed of a rotating table 7, a terahertz coupling component 8 silicon prism array and a nonlinear crystal potassium titanyl phosphate 5, the nonlinear crystal potassium titanyl phosphate 5 is in contact with the zox plane of the terahertz silicon prism coupling component 8 without gaps, a terahertz parametric device The rear cavity mirror 4, the nonlinear crystal potassium titanyl phosphate 5, the output mirror 6 of the terahertz parametric device and the terahertz silicon prism coupling part 8 are fixed on the angle rotation platform 7 together; the pump laser system resonator rear cavity mirror 12 1. Pump laser system resonator output mirror 17 forms the pum...
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