Computer Science – Performance
Scientific paper
Dec 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991spie.1527..322h&link_type=abstract
Proc. SPIE Vol. 1527, p. 322-331, Current Developments in Optical Design and Optical Engineering, Robert E. Fischer; Warren J. S
Computer Science
Performance
2
Scientific paper
A novel optical distributed-wavelength filter for IC integration and chip-integrated spectroscopy is described. The filter structure is of Fabry-Perot character. It is comprised of a wedge-shaped dielectric film sandwiched between two reflecting thin films. The novel fabrication technology employed is IC batch compatible. The marriage of this novel filter with a distributed detector array is intended to provide a monolithic chip-integrated spectrometer. Such a spectrometer is expected to be of high performance, rugged, small, light weight and of low cost. Imaging structures using arrays of microfilters fabricated using the same technology are also targeted. The filter arrays are to provide wavelength-selective imaging. Experimental prototype visible-filter results have already exhibited approximately 40% transmission. Analytical results for additional prototypes are described. Certain prototypes indicate 80% transmission is achievable. Bandwidth and transmission features are determined by the design features and are very flexible. For the first time, manufacture of low-cost, light-weight, rugged monolithic chip spectrometers appears feasible.
Holm-Kennedy James W.
Jiang Fenglai
Sze Wah Wai
Tsang Koon Wing
Yang Datong
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