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.
Specifications
Material
Fused Silica
Dimension Tolerance
-0.02/-0.2mm (25mm dia.)
+0.0/-0.2mm (50x50mm)
Thickness
1mm +0.1/-0.1mm
Clear Aperture
23mm dia. (25mm dia.)
46x46mm (50x50mm)
Transmission
>/=90% average
Blocking
Cut-On Tolerance
+5/-5nm
Angle of Incidence
0 degrees
Cut-On Wavelength | Transmission Band | Rejection Band | Item# | |
---|---|---|---|---|
25mm dia. | 50 x 50mm | |||
250nm | 260-800nm | 210-233nm | XUL0250 | ZUL0250 |
275nm | 285-800nm | 232-257nm | XUL0275 | ZUL0275 |
300nm | 310-800nm | 200-280nm | XUL0300 | ZUL0300 |
325nm | 340-800nm | 273-304nm | XUL0325 | ZUL0325 |
350nm | 360-800nm | 200-331nm | XUL0350 | ZUL0350 |
385nm | 400-800nm | 200-363nm | XUL0385 | ZUL0385 |
400nm | 410-800nm | 200-383nm | XUL0400 | ZUL0400 |