|Title||Longwave infrared (LWIR) coded aperture dispersive spectrometer.|
|Publication Type||Journal Article|
|Year of Publication||2007|
|Authors||C Fernandez, BD Guenther, ME Gehm, DJ Brady, and ME Sullivan|
|Pagination||5742 - 5753|
We describe a static aperture-coded, dispersive longwave infrared (LWIR) spectrometer that uses a microbolometer array at the detector plane. The two-dimensional aperture code is based on a row-doubled Hadamard mask with transmissive and opaque openings. The independent column code nature of the matrix makes for a mathematically well-defined pattern that spatially and spectrally maps the source information to the detector plane. Post-processing techniques on the data provide spectral estimates of the source. Comparative experimental results between a slit and coded aperture for emission spectroscopy from a CO(2) laser are demonstrated.
|Short Title||Optics Express|