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UID:317649
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- 注冊(cè)時(shí)間2020-06-19
- 最后登錄2025-02-21
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以下我們使用一個(gè)很簡(jiǎn)單的共振器范例模型進(jìn)行功能示范 `mQP{od?"? 此范例將會(huì)示范如何使用GLAD。我們將使用resonator.inp這個(gè)檔案示范共振器。即使使用者對(duì)共振器不感興趣,這個(gè)范例也將會(huì)展示在GALD中解決問題的幾個(gè)重要步驟: 20S9/9ll 初始化計(jì)算機(jī)數(shù)組及單位 W'm!f 選擇波長(zhǎng) F?!};~$=Z 定義初始分布 I>(;bNgNE 使用宏進(jìn)行重復(fù)運(yùn)算 Jq=X!mTd. 建立數(shù)據(jù)顯示計(jì)算結(jié)果 :K!GR 此共振器將使用半對(duì)稱的結(jié)構(gòu)進(jìn)行計(jì)算,由半徑50cm的球面鏡及平面鏡所組成。共振器的長(zhǎng)度為46cm。輸出將由平面鏡輸出。下表1顯示其結(jié)構(gòu)參數(shù): Q;d+]xj U`HXsq
p} {.0X[uAf 圖1-穩(wěn)定的共振器結(jié)構(gòu)。其光腰將會(huì)在平面鏡上形成,及其相曲率將與曲面鏡的理想模態(tài)曲率相同 m.;{ 8AM%f 為了簡(jiǎn)化討論,我們將忽略增益及形成bare-cavity分析。我們開始分析從準(zhǔn)備一個(gè)命令檔案如下: cS. 7\0$ variab/dec/int pass v[p/c.p?i macro/def reson/o MLEIx() pass = pass + 1 # increment pass counter RcKQER prop 45 # propagate 45 cm. OYQXi mirror/sph 1 -50 # mirror of 50 cm. radius
o9DYr[ clap/c/n 1 .14 # .14 cm. radius aperture dVjcK/T< prop 45 # propagate 45 cm. along beam /7!_un9 mirror/flat 1 # flat mirror 1D3dYVE variab/set Energy 1 energy # set variable to energy value }D&"z8mP Energy = Energy - 1 # calculate energy difference Ew)n~!s udata/set pass pass Energy # store energy differences 7<Z~\3x energy/norm 1 1 # renormalize energy a
5~G plot/l 1 xrad=.15 # make a plot at each pass Y#Sd2h,^X macro/end QYODmeu array/set 1 64 # set array size 35-DnTv wavelength/set 0 1.064 # set wavelengths FkB6*dm- units/set 1 .005 # set .005 cm sample spacing mgJ]@s}9 resonator/name reson # set name of resonator macro ui0J}DM resonator/eigen/test 1 # find resonator properties \#IJ=+z resonator/eigen/set 1 # set surrogate beam to eigen mode G!>
iqG clear 1 0 # clear the array BWqik_ noise 1 1 # start from noise 1"~O"m
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