專業UV Longpass Filters廠商

產品分類

UV Longpass Filters

Asahi Spectra

產品特色
  • 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.

 

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 WavelengthTransmission BandRejection BandItem#
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

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