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Acta Optica Sinica, Volume. 41, Issue 15, 1530002(2021)

All Solid-State 266 nm Laser Raman Spectrometer

Xin Meng1, Li Wang1, Jingjing Wang1, and Guilin Mao1,2、*
Author Affiliations
  • 1School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou, Jiangsu 221116, China
  • 2Jiangsu Key Laboratory of Advanced Laser Materials and Devices, Xuzhou, Jiangsu 221116, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
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    References (17)
    Cited By (2)
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    Figures & Tables(9)
    Schematic of 266 nm Raman spectrometer

    Fig. 1. Schematic of 266 nm Raman spectrometer

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    Schematic of 266 nm diode-pumped all-solid-state UVC laser

    Fig. 2. Schematic of 266 nm diode-pumped all-solid-state UVC laser

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    Schematic of spectrometer with Littrow structure

    Fig. 3. Schematic of spectrometer with Littrow structure

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    Spot diagrams of spectrometer. (a) Spot diagram at 269 nm; (b) spot diagram at 280 nm; (c) spot diagram at 293.5 nm

    Fig. 4. Spot diagrams of spectrometer. (a) Spot diagram at 269 nm; (b) spot diagram at 280 nm; (c) spot diagram at 293.5 nm

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    Raman spectrometer system. (a) Key components of Raman spectrometer system; (b) 266 nm DPSS laser; (c) Littrow-type spectrometer

    Fig. 5. Raman spectrometer system. (a) Key components of Raman spectrometer system; (b) 266 nm DPSS laser; (c) Littrow-type spectrometer

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    Raman spectrum of ethyl alcohol

    Fig. 6. Raman spectrum of ethyl alcohol

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    Raman spectral comparison. (a) Raman spectra at near 900 cm-1; (b) Raman spectra at near 2942.3 cm-1

    Fig. 7. Raman spectral comparison. (a) Raman spectra at near 900 cm-1; (b) Raman spectra at near 2942.3 cm-1

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    • Table 1. Structural parameters of Raman spectrometer

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      Table 1. Structural parameters of Raman spectrometer

      ParameterValue
      Laser wavelength /nm266
      Power /mW50--300
      Slit width /μm50
      Wavenumber range /cm-1400--3500
      Spectral resolution /cm-110
      Groove spacing of grating /(line·mm-1)3820
      CCD pixel /(pixel×pixel)2048×64

    • Table 2. Structural parameters of Littrow-type spectrometer

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      Table 2. Structural parameters of Littrow-type spectrometer

      SurfaceRadius /mmThickness /mmDecenter /mmTilt /(°)Remark
      04000Slit
      1Infinity-147.94045Mirror
      2-40016168.40420Parabolic mirror
      3Infinity-16168.40412.218Grating
      4-400188.2968.40420Parabolic mirror
      5Infinity0-9.62CCD
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    Xin Meng, Li Wang, Jingjing Wang, Guilin Mao. All Solid-State 266 nm Laser Raman Spectrometer[J]. Acta Optica Sinica, 2021, 41(15): 1530002

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    Paper Information

    Category: Spectroscopy

    Received: Nov. 20, 2020

    Accepted: Mar. 8, 2021

    Published Online: Aug. 11, 2021

    The Author Email: Mao Guilin (maoguilin@jsnu.edu.cn)

    DOI:10.3788/AOS202141.1530002

    Topics

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