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上海續波光電技術有限公司
上海續波光電技術有限公司
關鍵詞：固體激光器、衍射、光學成像、球差、放大器的增益飽和、自聚焦、二次諧波、三次諧波、非線性、脈沖失真FRESNEL固體激光器設計軟件FRESNELnumericalcalculationsarebasedontheFresneldiffractiontheory
關鍵詞：固體激光器、衍射、光學成像、球差、放大器的增益飽和、
自聚焦、二次諧波、三次諧波、非線性、脈沖失真
FRESNEL numerical calculations are based on the Fresnel diffraction theory.
FRESNEL是基于FRESNEL衍射理論數值計算軟件。
FRESNEL includes such physical phenomena as diffraction, optical imaging, spherical aberration, gain saturation effects in amplifiers, pulse shape distortion and nonlinear effects in media.
FRESNEL可以計算以下物理現象：衍射、光學成像、球差、放大器的增益飽和、介質的脈沖失真和非線性
FRESNEL library includes more than 50 of simulated optical elements, tools and resources.
FRESNEL庫中包含50多種光學元件，工具和資料。
FRESNEL is addressed to: scientists and engineers, lecturers in laser optics, students.
FRESNEL適合于：科學研究者和工程師，激光光學課程教學，學生
FRESNEL is extremely simple and straightforward to learn and use.
FRESNEL便于學習和直接學習使用.
The latest FRESNEL 4.0 is now capable to simulate nonlinear optics effects, such as self-focusing, second and third harmonic generation, and multipass schemes. All FRESNEL versions feature optimized modeling procedures, variety of input beams, optical elements and special resources, comfortable interface, extensive support options.
的FRESNEL 4.0可以模擬非線性光學效應，例如，自聚焦、二次和三次諧波、和多通道方案。所有的FRESNEL版本可以優化模擬過程，入射光變量化，光學元件和專門的資料，合適的界面，擴展支持選擇。
MODELING PROCEDURES:模擬過程
Effective Fast Fourier Transform wave propagation method with automatic scale adjustment to minimize computation errors;
有效地快速傅里葉變換波動傳輸方法可以自動采樣調正最小的計算誤差
Automatic magnification of beam spatial scale on apertures of optical elements to improve computation accuracy and minimize aliasing effect;
自動放大光束在孔徑上的空間采樣來提高計算精度和減少混疊效應
Permanent monitoring of the calculation accuracy;
監測計算精度；
Tightly optimized faster algorithms to handle beams at spatial discretization enhanced up to8192x8192 points and temporal discretization up to 128 slices;
•高優化快速算法來控制光束的空間離散化，增強了到8192x8192點和時間的離散化處理多達128片；
Fourier interpolation with arbitrary scaling factor;
傅立葉插值的任意縮放因子；
Automatic allowance for the lens’ spherical aberrations of the beam with an arbitrary wavefront;
自動添加任意波前光束為透鏡的球面像差；
Automatic allowance for all kinds of tilted plane parallel plate aberrations;
自動添加各種傾斜的平行平面板像差；
Beam transforms - shift, rotation and reflection;
光束變換平移，旋轉和反射；
Nonlinear optics - self-focusing, second and third harmonic generation;
非線性光學自聚焦，二次和三次諧波的產生；
Amplifiers with nonuniform gain and OPD along X,Y,Z axes, multipass amplification schemes.
放大器非均勻增益和沿X，Y，Z軸的光程差，多程放大方案。
BEAMS, OPTICAL ELEMENTS and RESOURCES: 光束，光學元件和資料
Hermit-Gaussian and Laguerre-Gaussian modes, Super Gaussian, Flat-topped and other;
Handling of user defined beams and pulse shapes;
Library of the optical components that includes nearly 50 elements:
Sources: Flat-topped, Resonator mode, Super Gaussian, Diffraction pattern, Text file;
Obstacles: Diaphragm, Mask, Obscuration, Dusted surface;
Lenses: Thin lens, Lens, Lens (A);
Telescopes: Spatial Filter, Beam expander;
Amplifiers: Rod and Disk with nonuniform gain and phase aberration, Saturable absorber;
Primary Aberrations: Astigmatism, Coma, Defocus, Spher. Aberr., Tilt;
Phase Tools: Retarder, Phase deformation, Phase Screen, Deformable mirrors;
XY Attenuation: Intensity and Amplitude attenuation and screen;
Beam Transforms: Shift, Rotation, Reflection;
Nonlinear Optics: Self-focusing, SHG type 1, SHG type 2, THG;
Diagnostics: View screen, Interference, Plate;
Coordinate grid: Grid control, Target, Auto magnification;
Multipass Schemes: Turn Back Mirror, Base MPA, L-turn MPA, U-turn MPA;
Built in Beam profiler procedures recommended by ISO document #11146;
Wavefront metrology.
INTERFACE:界面
Intuitive-clear multi-windows graphic interface;
•直觀清晰的多窗口圖形界面
Assembling optical schemes using «drag and drop» principle;
組裝使用光學方案用鼠標拖拉原則；
No need for user to learn any commａnd language;
•不需要用戶學習任何命令語言；
Full control on simulation process;
•全過程控制模擬；
Comprehensive interactive beam analysis during computation including beam profiling and zoom, phase and amplitude retrieval;
•綜合分析計算，包括互動的光束分析在計算光束的振幅和相位譜的縮放，和振幅；
Magnification mode for detailed beam examination;
•詳細的檢查放大光束模式；
Powerful Beam analyzer tool;
強大的光束分析工具；
Data export to other Windows applications (e.g. MS Excel, MathCad);
數據交換其他程序(e.g. MS Excel, MathCad);
Black-and-white or pseudo color layouts, linear and logarithmic scale;
黑色和白色或偽彩色布局，線性和對數尺度；
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