Linear Variable Filters
Edmund Optics Inc.Request Info
Edmund Optics has introduced linear variable filters for individual
and combined use. Available in long- and short-pass versions, they feature an interference
coating that is wedged in one direction, creating a linear shift of the center wavelength
across the length of the entire substrate, enabling broad filtering capabilities.
The short- and long-wave filters work inversely to one another. The former passes
light throughout the filter’s length until a blocking band is reached, while
the latter blocks light until a transmission band is reached. The blocking and transmission bands may be adjusted by reorienting the filter to the light source. A single linear variable filter can replace an entire filter set. Combined filters can be used as
a single variable excitation filter for fluorescence applications using white-light
sources.
https://www.edmundoptics.com
/Buyers_Guide/Edmund_Optics_Inc/c4064
Published: July 2011
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