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C##CC案例:拉曼放大案例C###泵浦光光束初始化echo/onpause 5set/density 32 nbeam 2 # 设置光束数array/set 0 64 #设置采样矩阵大小units/set 0 .02 # 设置采样间隔global/def 1 50. 0 300. # 设置初始泵浦光坐标系 wavelength/set 1 1.06 #设置泵浦光波长 gaussian/rec/con 1 5. .2 .4 5 5 # 泵浦光高斯光束参数设置 clap/rec/con 1 .2 .4 # 设置泵浦光孔径形状为矩形 title starting pump intensityc # 如图1绘制初始泵浦光光强分布图 plot/watch ex17_1.plt plot/iso/intensity first=1 last=1
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###泵浦光添加随机相位pause 4 phase/random 1 .1 .1 # 添加随机畸变 title starting pump phasec # 如图2绘制初始泵浦光相位分布 plot/watch ex17_2.plt plot/iso/phase first=1 last=1 max=1.5 min=-1.5
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####种子光添加随机畸变phase/random 2 .05 .05 # 添加光滑随机畸变 title starting seed phasec #绘制初始种子光相位分布 plot/watch ex17_4.plt plot/iso/phase first=2 last=2 max=1.5 min=-1.5
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####泵浦光传输beams/on 1 # 仅传输泵浦光 beams/off 2 vertex/locate/absolute 50. 0. 400. # 反射镜模拟设置 vertex/rotate/set 0. 45. 0. mirror/global/flat vertex/locate/absolute 0. 0. 400. # 分束器设置 vertex/rotate/set 0. -135. 0. mirror/global/flat mult 1 .5 prop 100 # 传输100cm至拉曼增益器####种子光传输beams/on 2 # 仅传输种子光束 beams/off 1 prop 100 # 传输至空间滤波器 lens 2 100 prop 100 status/parax clap/cir/con 2 .03 prop 100 lens 2 100 clap/cir/con 2 .3 # 透过空间滤波器 fitphase/both/list 2 title cleaned seed phasec # 如图5, 种子光束经过滤波器后的相位分布 plot/watch ex17_5.plt plot/iso/phase first=2 last=2 max=1.5 min=-1.5
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###泵浦光、种子光传输到拉曼增益器prop 100 mult 2 .5 beams/on 1 2 # 泵浦光、种子光同时传输到拉曼增益器cc ** Joint pathc energy raman 1 2 100. .005 # 拉曼增益器设置 energy title depleted pump beamc #如图6, 泵浦光经过拉曼增益器后的衰减光强分布 set/density 64 32 plot/watch ex17_6.pltplot/iso/intensity first=1 last=1 ###绘制种子光经过拉曼增益器后光强分布 pause 4 title amplified seed beamplot/watch ex17_7.pltplot/iso/intensity first=2 last=2
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####柱透镜模拟及对种子光聚焦lens/ycyl 2 50. # 柱透镜模拟 prop 50. # 种子光束线聚焦 title at line focusc # 如图8种子光线聚焦之后的光强分布 plot/watch ex17_8.plt set/density 64 16plot/iso/intensity first=2 last=2
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