切換到寬版
  • 廣告投放
  • 稿件投遞
  • 繁體中文
    • 1999閱讀
    • 1回復(fù)

    [原創(chuàng)]RP Fiber Power仿真設(shè)計摻銩光纖激光器代碼詳解 [復(fù)制鏈接]

    上一主題 下一主題
    在線小火龍果
     
    發(fā)帖
    916
    光幣
    2113
    光券
    0
    只看樓主 倒序閱讀 樓主  發(fā)表于: 2020-05-28
    (* U2SxRFs >  
    Demo for program"RP Fiber Power": thulium-doped fiber laser, gNxnoOY  
    pumped at 790 nm. Across-relaxation process allows for efficient E8?Q>%_  
    population of theupper laser level. VF 6@;5p  
    *)            。*  *)注釋語句 .$?s :t  
    OP<@Xz  
    diagram shown: 1,2,3,4,5  !指定輸出圖表 /n:s9eq  
    ; 1: "Powersvs. Position"     !分號是注釋;光纖長度對功率的影響 N\xqy-L9  
    ; 2:"Variation of the Pump Power"  !泵浦光功率變化對信號輸出功率的影響 VJ1si0vWtq  
    ; 3:"Variation of the Fiber Length"!信號輸出功率vs 光纖長度的變化,仿真最佳光纖長度 .Sb|+[{  
    ; 4:"Transverse Profiles"             !橫向分布,橫坐標(biāo)為半徑位置 Y6g[y\*t  
    ; 5:"Transition Cross-sections"    !不同波長的躍遷橫截面,橫坐標(biāo)波長,縱坐標(biāo)為橫截面 .4?M.Z4[  
    G19FSLrtA  
    include"Units.inc"         !讀取“Units.inc”文件中內(nèi)容 ,Cx5( ~kU  
    'g ,Oi1|~  
    include"Tm-silicate.inc"    !讀取光譜數(shù)據(jù) 3`="4  
    tuUk48!2I  
    ; Basic fiberparameters:    !定義基本光纖參數(shù) 6,oi(RAf  
    L_f := 4 { fiberlength }      !光纖長度 iRPd=)  
    No_z_steps := 50 {no steps along the fiber } !光纖步長,大括號{ }是注釋,相當(dāng)于備注 [*50Ng>P`  
    r_co := 6 um { coreradius }                !纖芯半徑 nY(jN D  
    N_Tm := 100e24 { Tmdoping concentration }  !纖芯Tm離子摻雜濃度 *A8CJ  
    "\> <UJ  
    ; Parameters of thechannels:                !定義光信道 La3f{;|u5M  
    l_p := 790 nm {pump wavelength }                !泵浦光波長790nm Z1q '4h=F.  
    dir_p := forward {pump direction (forward or backward) }   !前向泵浦 |!&,etu  
    P_pump_in := 5 {input pump power }                    !輸入泵浦功率5W vwP516EM  
    w_p := 50 um {radius of pump cladding }               !包層泵浦相應(yīng)的半徑 50um g ,Q!F  
    I_p(r) := (r <=w_p) { pump intensity profile }          !泵浦光強(qiáng)度分布 o5zth^p[  
    loss_p := 0 {parasitic losses of pump wave }           !泵浦光寄生損耗為0 o F @{&  
    XFd[>U<X  
    l_s := 1940 nm {signal wavelength }                   !信號光波長1940nm ,=K!Y TeVl  
    w_s := 7 um                          !信號光的半徑 SD TX0v  
    I_s(r) := exp(-2 *(r / w_s)^2)            !信號光的高斯強(qiáng)度分布 T@k&YJ  
    loss_s := 0                            !信號光寄生損耗為0 ty/jTo}  
    \`4}h[  
    R_oc := 0.70 {output coupler reflectivity (right side) }      !輸出耦合反射率 `W|2Xi=^5  
    qr6WSBc  
    ; Function for defining themodel:   !定義模型函數(shù),一定要有calc命令,否則函數(shù)只會被定義,但不會被執(zhí)行 l*%?C*  
    calc r;S%BFMJS  
      begin [[TB.'k  
        global allow all;                   !聲明全局變量 Sgr<z d'b  
        set_fiber(L_f, No_z_steps, '');        !光纖參數(shù) B?TAS  
        add_ring(r_co, N_Tm); 2]Y (<PC  
        def_ionsystem();              !光譜數(shù)據(jù)函數(shù) ]=h Ts%]w  
        pump := addinputchannel(P_pump_in, l_p,'I_p', loss_p, dir_p);  !泵浦光信道 if_e$,dh~>  
        signal_fw := addinputchannel(0, l_s, 'I_s',loss_s, forward);      !前向信號光信道 KF7f<  
        signal_bw := addinputchannel(0, l_s, 'I_s',loss_s, backward);    !后向信號光信道 S,