Ultra compact and high resolution spectrometer based on optical transmission through submicron interferometer array
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AbstractWe present an ultra compact and high resolution free space optical spectrometer and demonstrate it by using FDTD simulations. The miniature interferometer-based spectrometer is a series of submicron phase objects on a polymethyl methacrylate(PMMA) film with a CCD as the detector. The spectrum is obtained by solving a system of simultaneous linear equations. The Tikhonov regularization method is used to achieve a resolution at the picometer level. Compared with conventional spectrometers, the proposed device is low-cost and easy to fabricate due to its simple structure. Furthermore, its compact feature renders the device ideal for miniaturization and integration as the systems in microfluidics architectures and lab-on-chip designs.
All Author(s) ListYang T., Li C.C., Ho H.P.
Volume Number3
Issue Number1
PublisherChangchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences
Place of PublicationChina
Pages38 - 44
LanguagesEnglish-United Kingdom
KeywordsIndex terms, Optical interferometer, Optical spectrometer, Tikhonov regularization

Last updated on 2020-02-09 at 00:31