example Material parameters (Default values, if the dialog ''Crystal, Pump Beam And Mat.Par.'' was not opened) Nd:YAG Thermal conductivity, W/(mmK): 0.0103 0.0103 0.0103 Coefficient of thermal expansion, 1/K: 6.9E-6 6.9E-6 6.9E-6 Elastic modulus, N/mm^2 300000. 300000. 300000. Poisson's ratio xy yz xz : 0.25 0.25 0.25 Refractive Index 1.823 1.823 1.823 Temperature dependence of refractive index dn/dT, 1/K: 9.86E-6 9.86E-6 9.86E-6 Absorption Coefficients 1 and 2, W/mm: 0.35 Heat efficiency factor: 0.3 3.0 Above number: Material version, below: Second Abscoef 0.35 Emiss. Cross Sect 2.8E-17 Fluor Lifetime 2.3E-4 Pump efficiency 0.8 3.3 Above number: Material version Reabs. Cross Sect. 0.0 Doping Density 0.0 Compute Emi. Cross. from Temperature 0 Number-Upper-levels, Number-Lower-levels 1 1 Degupper DegLower Energyupper Energylower 1 1 0.0 0.0 0 0 0.0 0.0 0 0 0.0 0.0 0 0 0.0 0.0 0 0 0.0 0.0 Material B: 0.0103 0.0103 0.0103 6.9E-6 6.9E-6 6.9E-6 300000. 300000. 300000. 0.25 0.25 0.25 1.823 1.823 1.823 9.86E-6 9.86E-6 9.86E-6 Crystal and pump beam parameters 6. 2. 2. 90. 90. 20. 0.0 20. 0.3 0.3 0.0 0.0 0.5 0.5 0.0 0.0 0.05 0.05 0.0 0.0 2. 10. 2. 2. 0.0 0.0 0.0 0.0 0.0 0.3 0.35 50. 0.0 1. 0 0.02 0.9 1 0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 100000.E5 100000.E5 100000.E5 100000.E5 -100000.E5 -100000.E5 1. 100000.E5 100000.E5 5. 0.2 0.0 0.0 0.0 0.0 0.07 0.12121212 10 10 1.E-7 1.E-7 Option and Check Boxes 1 1 0 0.0 0.0 1 0 0 0 0 0 0 0 1 0 0 0 0 4.51157812 1 0.0 Side pump parameters 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 0.0 0.0 8.08E-4 0.0 0.0 0.0 6. 0.0 6. 1.E-5 0.0 0.0 0.0 0.0 0.0 0.0 Standing Wave Resonator Wave Length: 1.06E-3 Number of Face Elements: (Mirrors + Lenses + Dielectric Interfaces + Gaussian Apertures): 4 Number of External Elements: 1 Thermal Lens Present: YES c:\tutorial_1_rev\FEA Distances between Elements 1 0.16067 2 6.0 3 29.959 Type of Element: (L: Lens, M: Mirror, I: Dielectric Interface, G: Gaussian Aperture) 0 M 1 I 2 I 3 M Angle of Incidence on Element Face(Degrees) 0 0.0 1 0.0 2 0.0 3 0.0 Type Parameter: x-plane (Radius of curvature if M or I, focal length if L, parabolic coefficient of gaussian transmission if G) 0 704. 1 -16976.8 2 70664.8 3 10000E6 Refractive Index of Medium between Elements: x-plane 1 1.0 2 1.0 3 1.0 Second Derivative of Index of Refraction: x-plane 1 0.0 2 0.0 3 0.0 Second Derivative of Gain Profile: x-plane 1 0.0 2 0.0 3 0.0 Type Parameter: y-plane 0 704. 1 -18116.5 2 67751.7 3 10000E6 Refractive Index of Medium between Elements: y-plane 1 1.0 2 1.0 3 1.0 Second Derivative of Index of Refraction: y-plane 1 0.0 2 0.0 3 0.0 Second Derivative of Gain Profile: y-plane 1 0.0 2 0.0 3 0.0 Aperture Radii, x-plane and y-plane 0 1000. 1000. 1 1000. 1000. 2 1000. 1000. 3 1000. 1000. E x t e r n a l E l e m e n t s Distances between external Elements 1 1.0 Type of External Element (L: Lens, M: Mirror, I: Dielectric Interface, G: Gaussian Aperture) 1 L Angle of Incidence on Element Face(Degrees) 1 0.0 Type Parameter: x-plane 1 5001. Refractive Index of Medium between Elements: x-plane 1 1.0 Second Derivative of Refractive Profile: x-plane 1 0.0 Second Derivative of Gain Profile: x-plane 1 0.0 Type Parameter: y-plane 1 5001. Refractive Index of Medium between Elements: y-plane 1 1.0 Second Derivative of Refractive Profile: y-plane 1 0.0 Second Derivative of Gain Profile: y-plane 1 0.0 Beam Quality Parameters M²x, M²y 1. 1. FEM results Insertion field number nanbg = 2 Number of subdivisions nansy = 51 length of crystal 6. pump power pupow = 20. Width of subdivisions 0.030303 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.12121 0.030303 second derivative of refractive index x - dir. 1.00125E-4 1.05032E-4 1.21874E-4 1.56963E-4 2.21037E-4 3.37354E-4 5.5708E-4 9.96954E-4 1.93095E-3 3.17871E-3 4.01161E-3 4.29098E-3 4.32624E-3 4.25016E-3 4.12176E-3 3.96864E-3 3.80449E-3 3.63652E-3 3.46873E-3 3.30342E-3 3.14201E-3 2.98533E-3 2.83392E-3 2.68805E-3 2.54786E-3 2.41339E-3 2.28461E-3 2.1614E-3 2.04362E-3 1.93108E-3 1.82355E-3 1.72075E-3 1.62235E-3 1.52791E-3 1.43687E-3 1.34838E-3 1.26114E-3 1.1729E-3 1.07957E-3 9.73188E-4 8.3753E-4 6.38511E-4 4.03822E-4 2.31748E-4 1.41579E-4 9.20171E-5 6.36056E-5 4.69575E-5 3.74302E-5 3.27312E-5 3.13444E-5 second derivative of refractive index y - dir. 9.69183E-5 1.01425E-4 1.16845E-4 1.4862E-4 2.05564E-4 3.05889E-4 4.86102E-4 8.13896E-4 1.37466E-3 2.05631E-3 2.55816E-3 2.78782E-3 2.85045E-3 2.8253E-3 2.75519E-3 2.66207E-3 2.5574E-3 2.44742E-3 2.33569E-3 2.22432E-3 2.11466E-3 2.00753E-3 1.90351E-3 1.80294E-3 1.70605E-3 1.61295E-3 1.52372E-3 1.43834E-3 1.35678E-3 1.27894E-3 1.20467E-3 1.13379E-3 1.06602E-3 1.001E-3 9.38247E-4 8.77018E-4 8.16215E-4 7.54041E-4 6.87509E-4 6.11734E-4 5.19724E-4 4.06516E-4 2.8636E-4 1.88524E-4 1.239E-4 8.39655E-5 5.95653E-5 4.47331E-5 3.606E-5 3.17312E-5 3.04485E-5 second derivative of gain x - dir. 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 second derivative of gain y - dir. 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 radii of curvature of crystal faces -16976.836 -18116.516 70664.826 67751.748 FEM Mesh Data 52 1112 33332 #TRUE# 0.2 0.2 Adg123L7 -100000.E5 -100000.E5 0.0 100000.E5 100000.E5 100000.E5 0.0 0.0 0.0 0 0 0 -3 3 -3 3