Broadband optical parameter chirped pulse amplifier
A chirped pulse and optical parametric technology, applied in the laser field, can solve problems such as energy backflow and gain bandwidth narrowing, and achieve the effects of suppressing backflow, suppressing energy backflow, and wide gain bandwidth
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[0034] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0035] As the first embodiment of the present invention, such as figure 1 As shown, the present invention provides a broadband optical parametric chirped pulse amplifier, which includes a pulse laser stretcher 10, an optical coupling mirror 20, a periodically polarized crystal with a periodic domain inversion structure 40 , beam splitter 50 and pulse laser compressor 60 .
[0036] The pulse laser stretcher 10 is used to chirp and stretch the incident ultrashort pulse laser (generally, the stretched ultrashort pulse laser is called chirped pulse laser), so that the pulse width of the chirped pulse la...
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