Now showing items 1-3 of 3
Dispersion multiplexing with broadband filtering for miniature spectrometers
(Georgia Institute of Technology, 2007-01)
We replace the traditional grating used in a dispersive spectrometer with a multiplex holographic grating to increase the spectral range sensed by the instrument. The multiplexed grating allows us to measure three different, ...
Dynamic optical correlation using localized holography
(Georgia Institute of Technology, 2007-03)
A new technique for optical correlation using gated holographic recording is demonstrated. Several persistent holograms are localized within separate slices as close as 33 μm apart along the crystal. Individual holograms ...
Multifunctional and compact spectrometers based on cylindrical beam volume holograms
(Georgia Institute of Technology, 2007-11)
We propose a new class of slitless spectrometers using cylindrical beam volume holograms. These holograms disperse an input beam in one direction in an output plane while they do not affect the beam in the perpendicular ...