Abstract
We demonstrate a compact transform spectrometer based on measuring the
periodicity of Talbot self-images. The system has no moving parts; it contains
only a tilted absorption grating that is imaged onto a CCD camera. The linear
architecture of the system makes it possible to use this design in imaging
arrays of spectrometers. Unlike other transform spectrometers, its resolution
is independent of wavelength.
© 2001 Optical Society of America
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