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Linear Variable Longpass Filter

Stock #88-363
Cant. 1
Precio por Volumen
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Dimensions (mm):
60.0 x 15.0
Thickness (mm):
Wavelength Range (nm):
300 - 850
Optical Density OD (Average):
Optical Density Steps:
Edge: 340 - 420nm, >3.3 from 300nm
Edge: 420 - 500nm, >3.3 from 300nm
Edge: 500 - 850nm, >3.1 from 350nm
Transmission (%):
Longpass Filter
Transmission Steps (%):
Edge: 300 - 420nm, >92% over 40nm
Edge: 420 - 700nm, >92% over 40nm
Edge: 500 - 850nm, >92% over 40nm
Aperture (mm):
0.2 x 8.0

Regulatory Compliance

Descripción de Producto

A Linear Variable Edge Filter has an interference coating intentionally wedged in one direction to create a linear shift of the center wavelength across the length of the substrate. This shift allows for the broad filtering capabilities demonstrated by the linear variable shortpass, longpass, and dichroic edge filters. Shortpass and longpass edge filters work inversely of one another; the shortpass filter passes light throughout the filter’s length until a blocking band is reached, whereas the longpass filter blocks light until a transmission band is reached. Blocking and transmission bands are adjustable by reorienting the filter to the light source.

With its broad blocking and transmission range, a single Linear Variable Edge Filter can replace an entire filter set. When synchronized with a single moving grading spectrometer, combined longpass and shortpass edge filters reduce scatter light and harmonics. In addition, combined linear variable filters can be used as a single variable excitation filter for various fluorescence applications using white light sources.

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