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Chinese Journal of Lasers, Volume. 45, Issue 4, 401012(2018)

Analysis on Precision Assembly Characteristics of Prism Expander Applied to Spectrum Control

Wang Qian1,2,3, Zhao Jiangshan1,2, and Zhou Yi1,2、*
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
  • 3[in Chinese]
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    References (7)
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    Figures & Tables(11)
    Structural diagram of linewidth narrowing module

    Fig. 1. Structural diagram of linewidth narrowing module

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    Diagram of beam incident angle to prism

    Fig. 2. Diagram of beam incident angle to prism

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    Diagram of left and right deflection and pitching deflection of prism

    Fig. 3. Diagram of left and right deflection and pitching deflection of prism

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    Effect of preorder beam incident angle change on postorder beam incident angle

    Fig. 4. Effect of preorder beam incident angle change on postorder beam incident angle

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    Diagram of optical path transmission in linewidth narrowing module

    Fig. 5. Diagram of optical path transmission in linewidth narrowing module

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    Diagram of optical path transmission under left and right deflection of prism. (a) Beam is on right edge of grating; (b) beam is on left edge of grating

    Fig. 6. Diagram of optical path transmission under left and right deflection of prism. (a) Beam is on right edge of grating; (b) beam is on left edge of grating

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    Incident angle of prism and optical path of linewidth measurement

    Fig. 7. Incident angle of prism and optical path of linewidth measurement

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    Relationship between incident angle to prim 4 and linewidth

    Fig. 8. Relationship between incident angle to prim 4 and linewidth

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    • Table 1. Changes of prism angle and linewidth

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      Table 1. Changes of prism angle and linewidth

      PrismVariation in prismangle when linewidthchanges 0.01 pm /(°)Variation in linewidthwhen anglechanges 1° /pm
      10.50.0189
      20.50.0178
      30.60.0153
      41.00.0100

    • Table 2. Left and right deflection angles when beam irradiates to edge of grating

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      Table 2. Left and right deflection angles when beam irradiates to edge of grating

      PrismDeflection angle /(°)
      Irradiate to leftedge of gratingIrradiate to rightedge of grating
      10.5-0.6
      20.6-0.9
      30.6-4.7
      41.5-0.5

    • Table 3. Measurement results of energy E and FWHM under left and right deflection of prism 4

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      Table 3. Measurement results of energy E and FWHM under left and right deflection of prism 4

      θ4 /(°)E /μJFWHM (average value in 60 s) /pm
      741110.972
      731100.985
      721121.000
      711131.020
      701151.047
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    Wang Qian, Zhao Jiangshan, Zhou Yi. Analysis on Precision Assembly Characteristics of Prism Expander Applied to Spectrum Control[J]. Chinese Journal of Lasers, 2018, 45(4): 401012

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    Paper Information

    Category: laser devices and laser physics

    Received: Sep. 30, 2017

    Accepted: --

    Published Online: Apr. 13, 2018

    The Author Email: Yi Zhou (zhouyi@aoe.ac.cn)

    DOI:10.3788/CJL201845.0401012

    Topics

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