####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 phase
c # 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
图5种子光经过空间滤波器后的相位分布
###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
c
c ** Joint path
c
energy
raman 1 2 100. .005 # 拉曼增益器设置
energy
title depleted pump beam
c #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.plt
plot/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 beam
plot/watch ex17_7.plt
plot/iso/intensity first=2 last=2
图6泵浦光经过拉曼增益器后衰减的光强分布
图7 种子光放大之后的光强分布
####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 focus
c # 如图8种子光线聚焦之后的光强分布
plot/watch ex17_8.plt
set/density 64 16
plot/iso/intensity first=2 last=2
图8柱透镜聚焦后的种子光强分布
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