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Laser & Optoelectronics Progress, Volume. 58, Issue 21, 2108001(2021)

Characteristics of Collimating Illumination System with Extended Source Based on Total-Internal-Reflection Lens

Xueliang Kang1、*, Chengxiang Shi1, Li Wang1,2, Qilong Liu1, Rui Xue1, Tingting Ren1, Weikang Sun1, and Xiantao Wei3
Author Affiliations
  • 1School of Electrical & Information Engineering, North Minzu University, Yinchuan , Ningxia 750021, China
  • 2School of Mechanical Engineering, Hefei University of Technology, Hefei , Anhui 230009, China
  • 3School of Physical Sciences, University of Science and Technology of China, Hefei , Anhui 230026, China
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    AbstractGet PDF(in Chinese)
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    References (30)
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    Figures & Tables(17)
    TIR collimating lens. (a) Diagram of section structure; (b) stereograms of different perspectives

    Fig. 1. TIR collimating lens. (a) Diagram of section structure; (b) stereograms of different perspectives

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    Schematic diagram of surface shape and light collimation of TIR collimating lens with 100-nm aperture

    Fig. 2. Schematic diagram of surface shape and light collimation of TIR collimating lens with 100-nm aperture

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    One-dimension intensity I distribution of outgoing beams from each part and entirety of TIR collimating lens. (a) Core part; (b) edge part; (c) entirety

    Fig. 3. One-dimension intensity I distribution of outgoing beams from each part and entirety of TIR collimating lens. (a) Core part; (b) edge part; (c) entirety

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    Two-dimension illuminance E distribution of entire outgoing beams from TIR collimating lens at different illumination distances. (a) 55 mm away from source; (b) 150 mm away from source; (c) 260 mm away from source; (d) 360 mm away from source; (e) 490 mm away from source; (f) 860 mm away from source; (g) 1.2 m away from source; (h) 1.4 m away from source; (i) 12 m away from source

    Fig. 4. Two-dimension illuminance E distribution of entire outgoing beams from TIR collimating lens at different illumination distances. (a) 55 mm away from source; (b) 150 mm away from source; (c) 260 mm away from source; (d) 360 mm away from source; (e) 490 mm away from source; (f) 860 mm away from source; (g) 1.2 m away from source; (h) 1.4 m away from source; (i) 12 m away from source

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    One-dimension illuminance E distribution of the outgoing beams from each part and entirety of TIR collimating lens at different illumination distances. (a) 55 mm away from source; (b) 150 mm away from source; (c) 260 mm away from source; (d) 360 mm away from source; (e) 490 mm away from source; (f) 860 mm away from source; (g) 1.2 m away from source; (h) 1.4 m away from source; (i) 12 m away from source

    Fig. 5. One-dimension illuminance E distribution of the outgoing beams from each part and entirety of TIR collimating lens at different illumination distances. (a) 55 mm away from source; (b) 150 mm away from source; (c) 260 mm away from source; (d) 360 mm away from source; (e) 490 mm away from source; (f) 860 mm away from source; (g) 1.2 m away from source; (h) 1.4 m away from source; (i) 12 m away from source

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    One-dimension intensity I distribution of outgoing beams from each part and entirety of TIR collimating lens with 150 mm aperture. (a) Core part; (b) edge part; (c) entirety

    Fig. 6. One-dimension intensity I distribution of outgoing beams from each part and entirety of TIR collimating lens with 150 mm aperture. (a) Core part; (b) edge part; (c) entirety

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    Two-dimension illuminance E distribution of entire outgoing beams from TIR collimating lens at different illumination distances. (a) 1.1 m away from source; (b) 2.65 m away from source; (c) 18 m away from source

    Fig. 7. Two-dimension illuminance E distribution of entire outgoing beams from TIR collimating lens at different illumination distances. (a) 1.1 m away from source; (b) 2.65 m away from source; (c) 18 m away from source

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    One-dimension illuminance E distribution of outgoing beams from each part and entirety of TIR collimating lens at different illumination distances. (a) 1.1 m away from source; (b) 2.65 m away from source; (c) 18 m away from source

    Fig. 8. One-dimension illuminance E distribution of outgoing beams from each part and entirety of TIR collimating lens at different illumination distances. (a) 1.1 m away from source; (b) 2.65 m away from source; (c) 18 m away from source

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    Schematic diagram of surface shape and light collimation of plano-convex lens with 30° collecting angle

    Fig. 9. Schematic diagram of surface shape and light collimation of plano-convex lens with 30° collecting angle

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    One-dimension intensity I distribution of outgoing beams from plano-convex collimating lens

    Fig. 10. One-dimension intensity I distribution of outgoing beams from plano-convex collimating lens

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    Two-dimension (left) and one-dimension (right) illuminance E distribution of plano-convex collimating lens at different illumination distances. (a) 116 mm away from source; (b) 10 m away from source

    Fig. 11. Two-dimension (left) and one-dimension (right) illuminance E distribution of plano-convex collimating lens at different illumination distances. (a) 116 mm away from source; (b) 10 m away from source

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    Comparison of light distribution effects of various light distribution elements. (a) Intensity distribution; (b) one-dimension illuminance distribution at 25 m away from source

    Fig. 12. Comparison of light distribution effects of various light distribution elements. (a) Intensity distribution; (b) one-dimension illuminance distribution at 25 m away from source

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    Photos of various light distribution elements.（a）TIR lens with 100-mm aperture；（b）TIR lens with 150-mm aperture；（c）plano-convex lens

    Fig. 13. Photos of various light distribution elements.（a）TIR lens with 100-mm aperture；（b）TIR lens with 150-mm aperture；（c）plano-convex lens

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    Illumination spots of various collimating illumination systems. (a) TIR lens with 100-mm aperture; (b) TIR lens with 150-mm aperture; (c) plano-convex lens

    Fig. 14. Illumination spots of various collimating illumination systems. (a) TIR lens with 100-mm aperture; (b) TIR lens with 150-mm aperture; (c) plano-convex lens

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    Measured one-dimension illuminance E distribution of various collimating illumination systems

    Fig. 15. Measured one-dimension illuminance E distribution of various collimating illumination systems

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    • Table 1. Comparison of light distribution characteristics of various light distribution elements

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      Table 1. Comparison of light distribution characteristics of various light distribution elements

      Type of light distribution elementAperture 2r /mmIntensity I /cdDivergence angle /（°）Flux utilization η /%
      θ1/2θ1/10
      TIR1009.8×1042.84.588.4
      TIR1502.2×1051.83.189.0
      Plano-convex1008.8×1041.61.820.8

    • Table 2. Comparison of measured performance parameters of various collimating illumination systems

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      Table 2. Comparison of measured performance parameters of various collimating illumination systems

      Type of light

      distribution element

      Aperture

      2r /mm

      		IlluminationE /lxSpot radiusR /mDivergence angle /（°）Flux utilizationη /%
      TIR100150.41.33.081.4
      TIR150328.80.92.185.1
      Plano-convex100136.50.71.617.2
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    Xueliang Kang, Chengxiang Shi, Li Wang, Qilong Liu, Rui Xue, Tingting Ren, Weikang Sun, Xiantao Wei. Characteristics of Collimating Illumination System with Extended Source Based on Total-Internal-Reflection Lens[J]. Laser & Optoelectronics Progress, 2021, 58(21): 2108001

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    Paper Information

    Category: Geometric Optics

    Received: Feb. 23, 2021

    Accepted: Mar. 12, 2021

    Published Online: Nov. 1, 2021

    The Author Email: Xueliang Kang (wnkanger@163.com)

    DOI:10.3788/LOP202158.2108001

    Topics

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