2012-08-28Exercise Zemax 4 Optimization4Optimization4.1Exercise 4-1:Singlet optimization...................4.2Exercise 4-2:Triplet camera lens.......4.3Exercise 4-3:Achromate........4Optimization4.1Exercise 4-1:Singlet optimizationOptimize a single lens with the data =546.07 nm,object in the distance 100 mm from the lens on axisonly,focal length f=45 mm and numerical aperture NA 0.07 in the object space.The lens should bemade of the Schott glass N-K5 and has a thickness of 5 mm.a)Try to start from a plane plate approach to find the best lens bending solution.b)Now start the optimization with a lens and an image distance,which is near to the solution.Is theoptimized lens diffraction limited in its performancec)One possibility to improve the result is to use an aspherical lens.The first approach is to use the rearsurface with a conic constant to allow the program a conic section as solution.Is this sufficient to get adiffraction limited solutiond)Now enlarge the numerical aperture by a factor of two.Re-optimize the system.What about thediffraction limited performance Use an aspherical coefficnet of 4th order to improve the system.Whatis the resulte)Now introduce a finite object size of diameter 10 mm.What is the dominant aberration for the off-axisfield points Can the system by made diffraction limited by re-optimization,for example with moreaspherical constants What can be done to get a better performance4.2Exercise 4-2:Triplet camera lensA classical Cooke triplet with object in infinity,entrance pupil diameter 20 mm,spectal sampling lines d,F,C and the dataSurfTypeRadiusThi cknessGlassDiameterConicOB]STANDARDInfinityInfinity0STANDARD22.013593.258956SK16STANDARD-435.76046.00755119STANDARD-22.213280.9999746F20STANDARDSTANDARDSK166 STANDARD-18.3953342.2077850IMA STANDARDInfinity36.34532is given.Optimize the system with the required data:finite object distance 150 mmentrance pupil diameter 6 mmwavelengths:450,550 650 nmfield height 12.5 mmoverall site (total track)from first surface until image plane:210 mmperformance diffraction limited4.3Exercise 4-3:AchromateCalculate a classical achromate with the basic data: