Li Xu

Summary

Publications

  1. ncbi request reprint Design of freeform mirrors in Czerny-Turner spectrometers to suppress astigmatism
    Li Xu
    State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, 100084, Beijing, China
    Appl Opt 48:2871-9. 2009
  2. ncbi request reprint Resolution enhancement by combination of subpixel and deconvolution in miniature spectrometers
    Li Xu
    State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing, China
    Appl Opt 46:3210-4. 2007

Detail Information

Publications2

  1. ncbi request reprint Design of freeform mirrors in Czerny-Turner spectrometers to suppress astigmatism
    Li Xu
    State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, 100084, Beijing, China
    Appl Opt 48:2871-9. 2009
    ..A design example is presented with optimized parameters. The ray-tracing result has revealed a reduction in sagittal spot size from several hundred micrometers to around 10 microm in the wavelength range from 200 nm to 800 nm...
  2. ncbi request reprint Resolution enhancement by combination of subpixel and deconvolution in miniature spectrometers
    Li Xu
    State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing, China
    Appl Opt 46:3210-4. 2007
    ..The method introduces subpixel reconstruction to overcome undersampling during deconvolution processing. The experimental result has shown a 36.6% reduction in FWHM of spectral lines, indicating the effectiveness of the method...