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Summer Short Course Series

Opto-Mechanical Analysis

2017 Course Description

  • June 12, Monday Morning
    Modeling Optics & Surface Errors, Dr. Vic Genberg (Sigmadyne), Dr. Keith Doyle, (MIT/LL):
    Brief review of elasticity and materials. Review of optical terminology and metrics relevant to mechanical distortions. Optical surface errors and Zernike polynomials. Issues with fitting surface displacements and passing data to optics codes. Finite element modeling of mirrors: solid mirrors, lightweight mirrors, surface coatings effects, quiliting, symmetry in analysis models 

  • June 12, Monday Afternoon
    Modeling Mounts, Vibration Isolation, and Jitter, Dr. Vic Genberg (Sigmadyne), Dr. Keith Doyle, (MIT/LL):
    Issues with fitting surface displacements and passing data to optics codes. Structural dynamics in optics: vibrations background theory, isolation of optical instruments, line-of-sight motion, wavefront error.  Computational aspects of jitter and wavefront error in random vibration.  Mechanical stress in optics: strength, fracture, stress birefringence. 

  • June 13, Tuesday Morning
    Stress-Optic & Thermo-Optic effects, Dr. Vic Genberg (Sigmadyne), Dr. Keith Doyle, (MIT/LL):
    Thermo-optical analysis: thermo-elastic distortions, index changes due to temperature. Computational aspects of optical path difference (OPD) and birefringence in finite element models. Finite element modeling of mounts and bonds: kinematic mounts, flexures, high Poisson material. 

  • June 13, Tuesday Afternoon
    Adaptive Optics & Optimization, Dr. Vic Genberg (Sigmadyne):
    Adaptive optics: analysis techniques, actuator failure, optimal actuator placement. Stressed-optic polishing. Finite element modeling of assembly and test: assembly analysis methods, modeling test configurations, incorporating analytical backouts. Structural optimization of optical systems incorporating optical metrics.

  • June 14, Wednesday Morning
    System Analysis, Dr. Vic Genberg, (Sigmadyne):
    Systems analysis:  A typical telescope mechanical design and analysis flow is demonstrated. Additional topics include:  the use of superelements in optical systems and linear optics models.  An overview of SigFit is presented.

{Please note: course descriptions and instructors listed above are NOT final, it is possible that circumstances beyond our control could necessitate alterations.}