All-fiber spectrometer based on speckle pattern reconstruction:

Spectral reconstruction code: [Click here to Download]

Spectral correlation function calculation code: [Click here to Download]

Brandon Redding, Sebastien M. Popoff, and Hui Cao "All-fiber spectrometer based on speckle pattern reconstruction," Optics Express vol. 21, 6584, 2013. [Click here to Download]