Journals Articles Conferences News About CLP
Submit a paper Email Alert
Search
Search
Articles
Journals
News
Advanced Search
Top Searches
2D MaterialsTransformation opticsQuantum PhotonicsSmall lasersSemiconductor UV PhotonicsSupersymmetric microring laser arrays

Laser & Optoelectronics Progress, Volume. 55, Issue 6, 062204(2018)

Design of High Power Laser Focus System over Variable Long Distance

Mingyong Hu, Zhiwei Feng*; , Errong Fan, Qi Zhao, and Mingjie Li
Author Affiliations
  • Academy of Photoelectric Technology, Hefei University of Technology, Hefei, Anhui 230000, China
    • show less
    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
    Equations (0)
    References (14)
    Cited By (1)
    Tools
    Paper Information
    Topics
    Figures & Tables(10)
    Structural diagram of Cassegrain system

    Fig. 1. Structural diagram of Cassegrain system

    Download full size
    Structural diagram of optical system

    Fig. 2. Structural diagram of optical system

    Download full size
    Cassegrain system. (a) Spot diagram; (b) wavefront map

    Fig. 3. Cassegrain system. (a) Spot diagram; (b) wavefront map

    Download full size
    (a) Relationship between object distance and system focal length; (b) relationship between object distance and focusing spot diameter; (c) relationship between system focal length and focusing spot diameter

    Fig. 4. (a) Relationship between object distance and system focal length; (b) relationship between object distance and focusing spot diameter; (c) relationship between system focal length and focusing spot diameter

    Download full size
    Full field spot diagrams under different object distances. (a) 500 m; (b) 1000 m; (c) 2000 m; (d) 3000 m; (e) 4000 m; (f) 5000 m

    Fig. 5. Full field spot diagrams under different object distances. (a) 500 m; (b) 1000 m; (c) 2000 m; (d) 3000 m; (e) 4000 m; (f) 5000 m

    Download full size
    MTF under different object distances. (a) 500 m; (b) 1000 m; (c) 2000 m; (d) 3000 m; (e) 4000 m; (f) 5000 m

    Fig. 6. MTF under different object distances. (a) 500 m; (b) 1000 m; (c) 2000 m; (d) 3000 m; (e) 4000 m; (f) 5000 m

    Download full size
    Practical system. (a) Front view; (b) back view

    Fig. 7. Practical system. (a) Front view; (b) back view

    Download full size

    • Table 1. Specifications of size distribution of focusing spot

      View table

      Table 1. Specifications of size distribution of focusing spot

      Object distance /mSpot diameter /mm
      500-1000<40
      1000-2000<60
      2000-3000<80
      3000-4000<110
      4000-5000<150

    • Table 2. System parameters when object distance is 5000 m

      View table

      Table 2. System parameters when object distance is 5000 m

      SurfaceNo.Radius /mmThickness /mmSurfacetypeDiameter /mmConic
      1Infinity1010.50
      2166.673Lens160
      3-27.912160
      4-31.6603Lens160
      531.660920.67160
      6392.86-475Mirror98-1.906
      712805000000Mirror400-1

    • Table 3. Relationship between object distance and focusing spot diameter

      View table

      Table 3. Relationship between object distance and focusing spot diameter

      Object distance /mSystem focal length /mmDistance to secondary mirror /mmSpot diameter /mm
      50014590.8950.3812.3
      80023572.5937.8219.8
      100029536.8933.725.3
      200059352.4925.5250.5
      300088844.9922.8376.7
      4000118361921.48101.9
      5000147829920.67127.1
    Tools

    Get Citation

    Copy Citation Text

    Mingyong Hu, Zhiwei Feng, Errong Fan, Qi Zhao, Mingjie Li. Design of High Power Laser Focus System over Variable Long Distance[J]. Laser & Optoelectronics Progress, 2018, 55(6): 062204

    Download Citation

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

    Category: Optical Design and Fabrication

    Received: Dec. 21, 2017

    Accepted: --

    Published Online: Sep. 11, 2018

    The Author Email: Feng Zhiwei ( fengzwchn@163.com)

    DOI:10.3788/LOP55.062204

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology