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Linear Variable Shortpass Filter

Stock #83-983
€995.00
Qty 1-10
€995.00
Qty 11
€895.50
Volume Pricing
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Dimensions (mm):
60.0 x 15.0
Thickness (mm):
3.00
Wavelength Range (nm):
340 - 850
Optical Density OD:
≥3.0
Coating:
Variable
Substrate:
Fused Silica
Optical Density Steps:
Edge: 340 - 420nm, >3.0 to 725nm
Edge: 420 - 500nm, >3.0 to 850nm
Edge: 500 - 850nm, >3.0 to 860nm
Transmission (%):
>70
Type:
Shortpass Filter
Transmission Steps (%):
Edge: 340 - 420nm, >70% over 20nm
Edge: 420 - 500nm, >85% over 40nm
Edge: 500 - 850nm, >92% over 40nm
Aperture (mm):
0.2 x 8.0
Slope Factor (%):
1.6
Linear Dispersion (%):
0.57

Regulatory Compliance

RoHS:

Product Description

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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