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Standard Filters

UV Longpass Filters

Graph UV Longpass Filter
  • High Transmission and High Rejection for Complete Isolation
  • Sharp Cut-on Wavelength
  • Will Not Autofluorescence
  • Excellent Thermal Resistance

Our UV Longpass filters are designed to have a very sharp transition between the reflect and pass bands while maintaining very high transmission at UV pass bands. The spectral transmission properties are uniform over the entire aperture of the filters. UV Longpass filters can be combined with our UV Shortpass filters in pairs to create a variety of transmission bands.

Standard Filters

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Standard Filters

Custom Filters

UV Longpass Filters Pic
General Specifications
Material:
Dimension Tolerance:
 
Thickness:
Clear Aperture:
 
Transmission:
Blocking:
Cut-on Tolerance:
Angle of Incidence:
 
 
Fused Silica
+0.0/-0.2mm (Φ25mm)
+0.0/-0.2mm (50x50mm.)
1mm +0.1/-0.1mm
Φ23mm (Φ25mm)
46x46mm (50x50mm)
>/=90% average
</=0.1%
+5/-5nm
 
 

Cut-on Wavelength
Transmission Band
Rejection Band
Item#
Φ25mm
50 x 50mm
250nm
260nm - 800nm 210nm - 233nm XUL0250 ZUL0250
275nm
285nm - 800nm 232nm - 257nm XUL0275 ZUL0275
300nm
310nm - 800nm 253nm - 280nm XUL0300 ZUL0300
325nm
340nm - 800nm 273nm - 304nm XUL0325 ZUL0325
350nm
360nm - 800nm 288nm - 331nm XUL0350 ZUL0350
385nm
400nm - 800nm 316nm - 363nm XUL0385 ZUL0385
400nm
410nm - 800nm 200nm - 383nm XUL0400 ZUL0400

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