Acta Optica Sinica, Volume. 39, Issue 3, 0322002(2019)

Off-Axis Three-Mirror Anastigmatic System Alignment and Application Based on Principal Component Analysis

Jikai Guo*, Zhile Wang, and Min Lu
Author Affiliations
  • Research Center for Space Optical Engineering, School of Astronautics, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
  • show less
    Figures & Tables(10)
    Schematic of off-axis three-mirror anastigmatic system
    Flow chart of PCA
    Simulated wave-front maps. (a) Before alignment; (b) afer alignment
    • Table 1. Sensitivity matrix A

      View table

      Table 1. Sensitivity matrix A

      Zernike polynomialDx2Dy2Tx2Ty2Dx3Dy3Tx3Ty3D2DfD3
      Z500.314860.464871.80531-0.600360.747430.95358-4.829063.94319-0.542950.25935-0.31383
      Z60-0.52872-0.34597-0.247141.77598-1.025810.37120-3.27161-4.73697-1.076020.67464-0.70732
      Z70-0.06317-0.03223-0.052130.21715-0.01349-0.013960.016120.03531-0.053570.03416-0.03388
      Z80-0.009770.015830.020580.03139-0.005230.00794-0.05523-0.007000.04632-0.007550.00681
      Z900.000490.006590.025400.00026-0.000110.00351-0.00614-0.00066-0.00284-0.000280.00011
      Z510-0.34399-0.03201000.86515-6.317980-1.791751.13489-1.20276
      Z61-0.67445001.99736-1.6004500-7.94097000
      Z71-0.05868000.20938-0.01260000.03345000
      Z8100.02309-0.03427000.01195-0.0680700.08036-0.035050.03458
      Z910-0.00044-0.00728000.00001-0.0051500.00356-0.000230.00023
      Z52-0.31022-0.79446-2.037270.85579-0.633970.72350-6.01166-3.44206-1.986521.25104-1.31498
      Z62-0.290980.658792.075340.50309-1.590130.084241.11993-8.180761.17988-0.721760.73270
      Z72-0.033680.019910.036040.15435-0.006700.00703-0.007860.042660.02071-0.016220.01609
      Z820.010470.034700.04195-0.029620.003000.02013-0.060120.003110.04869-0.036310.03561
      Z92-0.000520.002160.010440.00283-0.000250.00161-0.00217-0.00041-0.005050.00053-0.00062
    • Table 2. Characteristic value, contribution rate, and cumulative contribution rate corresponding to principal component with cumulative contribution rate greater than 95%

      View table

      Table 2. Characteristic value, contribution rate, and cumulative contribution rate corresponding to principal component with cumulative contribution rate greater than 95%

      Principal componentCharacteristic valueContribution rateCumulative contribution rate
      F15.470371549012980.3646914366008650.364691436600865
      F23.842042309412650.2561361539608430.620827590561709
      F33.017267186971490.2011511457981000.821978736359808
      F41.976977458624820.1317984972416540.953777233601463
    • Table 3. Adjustment sorting and corresponding score

      View table

      Table 3. Adjustment sorting and corresponding score

      Adjustment sortingTx3Ty3Tx2Ty2D2Dx3Dx2Dy3DfD3Dy2
      Corresponding score8.95298.64398.53348.15994.28343.67213.39783.25743.15003.11272.3299
    • Table 4. Given misalignment

      View table

      Table 4. Given misalignment

      MirrorDDxDyTxTy
      Second mirror0.05000.0200-0.05000.07000.0900
      FM0.0300
      Third mirror-0.04000.06000.0800-0.06000.1000
    • Table 5. Calculated misalignment based on inverse optimization method

      View table

      Table 5. Calculated misalignment based on inverse optimization method

      MirrorDDxDyTxTy
      Second mirror0.05000.0200-0.05000.07000.0900
      FM0.0300
      Third mirror-0.04000.06000.0800-0.06000.1000
    • Table 6. Difference between given misalignment and calculated misalignment

      View table

      Table 6. Difference between given misalignment and calculated misalignment

      MirrorDDxDyTxTy
      Second mirror0.0046-0.0111-0.02110.0050-0.0002
      FM-0.2000
      Third mirror-0.20000.0341-0.00410.0140-0.0060
    • Table 7. Calculation results of different alignment schemes

      View table

      Table 7. Calculation results of different alignment schemes

      Data numberMisalignment /mmDx2Dy2Tx2Ty2Dx3Dy3Tx3
      1Set value-0.05000.07000.09000.0800-0.0600
      Solution 10.0622-0.07420.0900
      Solution 2-0.04520.09000.5000
      Solution 3-0.04970.07260.0700-0.0628
      2Set value0.0200-0.05000.07000.09000.06000.0800-0.0600
      Solution 10.02010.05960.09000.0609-0.0517-0.0870
      Solution 20.06130.08340.0470-0.0761
      Solution 30.06690.0807-0.0718
      Data numberMisalignment /mmTy3D2DfD3Wave-front of three fields of view
      1Set value0.10000.0965,0.0704,0.0484
      Solution 10.10000.0990,0.0762,0.0489
      Solution 20.10000.1451,0.0574,0.0870
      Solution 30.2321,0.2606,0.3305
      2Set value0.10000.05000.03-0.040.0965,0.0704,0.0484
      Solution 10.09980.02760.0983,0.0589,0.0491
      Solution 20.10270.01780.1003,0.0518,0.0555
      Solution 30.11150.3767,0.5009,0.4932
    Tools

    Get Citation

    Copy Citation Text

    Jikai Guo, Zhile Wang, Min Lu. Off-Axis Three-Mirror Anastigmatic System Alignment and Application Based on Principal Component Analysis[J]. Acta Optica Sinica, 2019, 39(3): 0322002

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Optical Design and Fabrication

    Received: Aug. 16, 2018

    Accepted: Nov. 19, 2018

    Published Online: May. 10, 2019

    The Author Email:

    DOI:10.3788/AOS201939.0322002

    Topics