Journal of Applied Optics, Volume. 45, Issue 2, 276(2024)

Design of endoscopic optical system with 2k resolution

Xuzhou HE, Feng LIN*, Zhongxin XIE, Wei CHEN, Kangsheng WANG, Liyu LIN, and Junjie LIN
Author Affiliations
  • Fujian Provincial Key Laboratory of Photonics Technology, Key Laboratory of Optoelectronic Science and Technology for Medicine (Ministry of Education), College of Photonic and Electronic Engineering, Fujian Normal University, Fuzhou 350007, China
  • show less
    Figures & Tables(12)
    Ideal optical model for simplified anti-telescopic objective structure
    Initial structure diagram of objective lens
    Initial structure diagram of relay system
    2D structure diagram of final designed objective module
    2D structure diagram of final designed relay system
    2D structure diagram of final designed endoscopic system
    MTF curves
    Spot diagram
    Distortion diagram
    • Table 1. System parameters of endoscope

      View table
      View in Article

      Table 1. System parameters of endoscope

      参数指标
      F#<8
      工作波长/nm486~656
      全视场角/(°)75
      视向角/(°)≤30
      系统总长/mm<400
      物方分辨率/lp·mm−1≥30
      物方角分辨力/c/(°)>14
      像高/mm8.9
    • Table 2. Results of Monte Carlo tolerance analysis

      View table
      View in Article

      Table 2. Results of Monte Carlo tolerance analysis

      蒙特卡洛样本百分比/%各视场平均值15.3°21.7°26.5°30.6°34.2°37.5°
      900.10470.12230.13010.12040.10840.09270.08440.0510
      800.13310.14400.16310.15690.14690.13530.11140.0862
      500.18470.20910.23290.22320.20660.18600.17230.1280
      200.21990.25880.26780.25830.24420.23440.22440.1648
      100.23810.28200.28220.27520.26050.24690.23080.2013
    • Table 3. Allowable tolerances for parts

      View table
      View in Article

      Table 3. Allowable tolerances for parts

      公差数值
      曲率半径公差/rings2
      厚度公差/mm±0.03
      X方向表面偏心公差/mm±0.02
      Y方向表面偏心公差/mm±0.02
      X方向元件偏心公差/mm±0.02
      Y方向元件偏心公差/mm±0.02
      X方向表面倾斜公差/(°)±0.05
      Y方向表面倾斜公差/(°)±0.05
      X方向元件倾斜公差/(°)±0.05
      Y方向元件倾斜公差/(°)±0.05
      折射率公差0.001
      阿贝常数公差1
    Tools

    Get Citation

    Copy Citation Text

    Xuzhou HE, Feng LIN, Zhongxin XIE, Wei CHEN, Kangsheng WANG, Liyu LIN, Junjie LIN. Design of endoscopic optical system with 2k resolution[J]. Journal of Applied Optics, 2024, 45(2): 276

    Download Citation

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

    Category: Research Articles

    Received: Jun. 5, 2023

    Accepted: --

    Published Online: May. 28, 2024

    The Author Email: Feng LIN (林峰(1968—))

    DOI:10.5768/JAO202445.0201001

    Topics