用于探測器中紅外絕對光譜響應(yīng)度測量的激光源
發(fā)布時間:2018-07-20 13:07
【摘要】:為了實(shí)現(xiàn)中紅外探測器絕對光譜響應(yīng)度高準(zhǔn)確度的測量,從理論和實(shí)驗(yàn)上研究了中紅外波段激光的功率穩(wěn)定性的提高和光束質(zhì)量的優(yōu)化方法。采用聲光調(diào)制和反饋控制的方法,把中紅外激光的功率穩(wěn)定性提高到0.1%以內(nèi);根據(jù)高斯光束傳輸理論計(jì)算了所需空間濾波器的各項(xiàng)參數(shù),設(shè)計(jì)了中紅外空間濾波器,搭建了相應(yīng)的實(shí)驗(yàn)裝置,顯著提高了中紅外激光光束質(zhì)量。為中紅外絕對光譜響應(yīng)度的高準(zhǔn)確度測量提供了一個可靠的中紅外波段激光光源。
[Abstract]:In order to measure the absolute spectral responsivity of the mid-infrared detector with high accuracy, the methods of improving the power stability and optimizing the beam quality of the mid-infrared laser are studied theoretically and experimentally. By using acousto-optic modulation and feedback control, the power stability of the mid-infrared laser is improved to less than 0.1%, and the parameters of the required spatial filter are calculated according to the Gao Si beam propagation theory, and the mid-infrared spatial filter is designed. A corresponding experimental device has been set up to improve the beam quality of mid-infrared laser. A reliable mid-infrared laser source is provided for the high accuracy measurement of the absolute spectral responsivity.
【作者單位】: 中國電子科技集團(tuán)公司第四十一研究所;電子測試技術(shù)國防科技重點(diǎn)實(shí)驗(yàn)室;
【基金】:國家重點(diǎn)基礎(chǔ)研究發(fā)展計(jì)劃(863計(jì)劃) 空間輻射測量基準(zhǔn)源研制基金(2015AA123702) 國防技術(shù)基礎(chǔ)項(xiàng)目(J3120BA001)
【分類號】:TN215
本文編號:2133620
[Abstract]:In order to measure the absolute spectral responsivity of the mid-infrared detector with high accuracy, the methods of improving the power stability and optimizing the beam quality of the mid-infrared laser are studied theoretically and experimentally. By using acousto-optic modulation and feedback control, the power stability of the mid-infrared laser is improved to less than 0.1%, and the parameters of the required spatial filter are calculated according to the Gao Si beam propagation theory, and the mid-infrared spatial filter is designed. A corresponding experimental device has been set up to improve the beam quality of mid-infrared laser. A reliable mid-infrared laser source is provided for the high accuracy measurement of the absolute spectral responsivity.
【作者單位】: 中國電子科技集團(tuán)公司第四十一研究所;電子測試技術(shù)國防科技重點(diǎn)實(shí)驗(yàn)室;
【基金】:國家重點(diǎn)基礎(chǔ)研究發(fā)展計(jì)劃(863計(jì)劃) 空間輻射測量基準(zhǔn)源研制基金(2015AA123702) 國防技術(shù)基礎(chǔ)項(xiàng)目(J3120BA001)
【分類號】:TN215
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