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Broad-spectrum neodymium-doped laser glasses for high-energy chirped-pulse amplification

机译:用于高能chi脉冲放大的广谱掺钕激光眼镜

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We have investigated two novel laser glasses in an effort to generate high-energy, broad-spectrum pulsesfrom a chirped-pulse amplification Nd:glass laser. Both glasses have significantly broader spectra (>38 nm FWHM) than currently available Nd:phosphate and Nd:silicate glasses. We present calculations for small signal pulse amplification to simulate spectral gain narrowing. The technique of spectral shaping using mixed-glass architecture with an optical parametric chirped-pulse amplification front end is evaluated. Our modeling shows that amplified pulses with energies exceeding 10 kJ with sufficient bandwidth to achieve 120 fs pulsewidths are achievable with the use of the new laser glasses. With further development of current technologies, a laser system could be scaled to generate one exawatt in peak power.
机译:我们已经研究了两种新型的激光眼镜,目的是通过puls脉冲放大Nd:玻璃激光器产生高能量,广谱脉冲。与目前可用的Nd:磷酸盐和Nd:硅酸盐玻璃相比,这两种玻璃的光谱范围都大得多(> 38 nm FWHM)。我们提出小信号脉冲放大的计算,以模拟频谱增益变窄。评估了使用带有光学参量chi脉冲放大前端的混合玻璃结构的光谱成形技术。我们的模型表明,使用新的激光眼镜可以实现能量超过10 kJ且具有足够带宽以达到120 fs脉冲宽度的放大脉冲。随着当前技术的进一步发展,可以缩放激光系统以产生一瓦的峰值功率。

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