Terahertz parameter source based on potassium titanyl phosphate crystal and application thereof
A potassium titanyl phosphate and terahertz technology, which is applied in the field of terahertz parameter sources, can solve problems such as the absence of terahertz parameter sources, and achieve the effects 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 potassium titanyl phosphate crystal, and the laser pumping system emits pumps The laser is irradiated along the terahertz parametric device, and the exciton scattering process of the potassium titanyl phosphate crystal constitutes the terahertz parametric source.
[0037] The output frequency range of the terahertz wave of the terahertz parameter source is 3.17-6.13 THz.
[0038] The terahertz parametric device also includes a back cavity mirror of the terahertz parametric device, an output mirror of the terahertz parametric device, and the laser pumping system emits a laser along the back cavity mirror of the terahertz parametric device, a potassium titanyl phosphate crystal, and The output mirrors of the terahertz parametric device are emitted in sequence.
[0039] The potassi...
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 potassium titanyl phosphate crystal, and the laser pumping system emits pumps The laser is irradiated along the terahertz parametric device, and the exciton scattering process of the potassium titanyl phosphate crystal constitutes the terahertz parametric source.
[0056] The output frequency range of the terahertz wave of the terahertz parameter source is 3.17-6.13 THz.
[0057] The terahertz parametric device also includes a back cavity mirror of the terahertz parametric device, an output mirror of the terahertz parametric device, and the laser pumping system emits a laser along the back cavity mirror of the terahertz parametric device, a potassium titanyl phosphate crystal, and The output mirrors of the terahertz parametric device are emitted...
Embodiment 3
[0073] Such as Image 6 As shown, the terahertz parameter source based on potassium titanyl phosphate crystal as described in embodiment 1, wherein the terahertz parameter device consists of the back cavity mirror 4 of the terahertz parameter device, the output mirror 6 of the terahertz parameter device, and the angle Rotating table 7 and terahertz coupling part 8 consist of silicon prism array and nonlinear crystal potassium titanyl phosphate 5, which has no gap contact with the zox surface of the terahertz silicon prism coupling part 8, 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 together on the angle rotating table 7; the pump laser system resonant cavity rear cavity mirror 12 , The pump laser system resonator output mirror 17 constitutes the pump laser resonator. The placement of the pump laser resonat...
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