Infrared and Laser Engineering, Volume. 50, Issue 12, 20210055(2021)
Characteristics of volume Bragg grating spectral filter
Figures & Tables(11)
Fig. 2. (a) Reflection spectra of VBG with different thicknesses at 1029 nm; (b) Reflection spectra of VBG with different thicknesses at 1064 nm
Fig. 3. (a) Reflection spectra of VBG with different refractive index modulation at 1029 nm; (b) Reflection spectra of VBG with different refractive index modulation at 1064 nm
Fig. 4. (a) Reflection spectra of different grating periods at 1029 nm; (b) Reflection spectra of different grating periods at 1064 nm
Fig. 5. (a) Reflection spectra of different grating angles at 1029 nm; (b) Reflection spectra of different grating angles at 1064 nm
Fig. 6. (a) Free spectral range of VBG at 1029 nm; (b) Out-band suppression of VBG at 1064 nm
Fig. 7. (a) Angular filtering characteristics of VBG with different thicknesses at 1029 nm; (b) Angular filtering characteristics of VBG with different thicknesses at 1064 nm
Fig. 9. (a) Measurement of diffraction efficiency of VBG at 1029 nm; (b) Measurement of diffraction efficiency of VBG at 1064 nm
Fig. 10. (a) Angle characteristics of VBG with center wavelength at 1029 nm; (b) Angle characteristics of VBG with center wavelength at 1064 nm
Table 1. Comparison of VBG measurement data
View tableView in ArticleTable 1. Comparison of VBG measurement data
Center wavelength/nm Measured wavelength/nm Diffraction efficiency theoretical value/measured value Theoretical value/measured value of spectral bandwidth 1029 1029.06 97%/91% 20 pm/52 pm 1064 1064.0905 96%/92% 80 pm/107 pm
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Yun Jiang, Bo Liu, Wei Fan. Characteristics of volume Bragg grating spectral filter[J]. Infrared and Laser Engineering, 2021, 50(12): 20210055
Paper Information
Category: Optical devices
Received: Jan. 18, 2021
Accepted: --
Published Online: Feb. 9, 2022
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