Bandwidth Issues White Papers
Multi-Bandwidth Frequency Selective Surfaces for Near Infrared Filtering: Design and Optimization
Overview Frequency selective surfaces are widely used in the microwave and millimeter wave regions of the spectrum for filtering signals. They are used in telecommunication systems for multi-frequency operation or in instrument detectors for spectroscopy. The frequency selective surface operation depends on a periodic array of elements resonating at prescribed wavelengths producing a filter response. The size of the elements is on the order of half the electrical wavelength, and the array period is typically less than a wavelength for efficient operation. When operating in the optical region, diffraction gratings are used for filtering. In this regime the period of the grating may be several wavelengths producing multiple orders of light in reflection or transmission.
| Publisher | California Institute of Technology | File Format | |
|---|---|---|---|
| Date Published | January 2001 | ||
| Format | White Papers | ||
| Topics | |||
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