• Infrared and Laser Engineering
  • Vol. 49, Issue 8, 20190559 (2020)
Yu Zhang1, Zhongming Yang1, Zhaojun Liu1, and Jihong Wang2
Author Affiliations
  • 1School of Information Science and Engineering, Shandong University, Qingdao 366237, China
  • 2The Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610206, China
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    DOI: 10.3788/IRLA20190559 Cite this Article
    Yu Zhang, Zhongming Yang, Zhaojun Liu, Jihong Wang. Design of large aperture multi-spectra channel wavefront measurement system[J]. Infrared and Laser Engineering, 2020, 49(8): 20190559 Copy Citation Text show less
    System of wavefront measurement
    Fig. 1. System of wavefront measurement
    Layout of optical system
    Fig. 2. Layout of optical system
    Layout of system optical path diagram
    Fig. 3. Layout of system optical path diagram
    Flow chart of integrated optical-mechanical-thermal analysis
    Fig. 4. Flow chart of integrated optical-mechanical-thermal analysis
    Displacement distribution of system
    Fig. 5. Displacement distribution of system
    Wavefront aberration at different temperatures
    Fig. 6. Wavefront aberration at different temperatures
    Curve of system aberration RMS with temperature
    Fig. 7. Curve of system aberration RMS with temperature
    Picture of wavefront measurement system
    Fig. 8. Picture of wavefront measurement system
    Curve of system aberration RMS with time
    Fig. 9. Curve of system aberration RMS with time
    Wavefront maps at different wavelengths
    Fig. 10. Wavefront maps at different wavelengths
    Paraxial parameters
    f/mm 4 500l/mm 700
    f# 10.0s/mm 150
    B/mm 850R1/mm −1 762
    f1/mm 863R2/mm −403.4
    f2−201.7dh/mm 397.9
    Table 1.

    Paraxial parameters of RC system

    RC系统近轴参数表

    ItemVisible wavefront sensorNear-infrared wavefront sensorMid-infrared wavefront sensor
    Wavelength range/μm0.5-0.80.9-1.73-5
    Aperture/mm23.60×4.509.60×7.6810.88 ×8.16
    Number of microlenses32 × 40160 × 120160 × 120
    Accuracy4 nm RMS15 nm RMS25 nm RMS
    Acquisition frequency/Hz5012050
    Table 2.

    Parameters of wavefront sensors

    波前传感器参数

    Yu Zhang, Zhongming Yang, Zhaojun Liu, Jihong Wang. Design of large aperture multi-spectra channel wavefront measurement system[J]. Infrared and Laser Engineering, 2020, 49(8): 20190559
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