Shortpass Filters

HSPF-12.5-900

1
High performance shotpass filter (φ12.5mm)
Estimate separately
Classification High performance shortpass filter (HSPF)
Cutoff wavelength(nm) 900
YESRoHS対応状況

Product documentation

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Description

This high performance shortpass filter is designed with superior blocking in the rejection band while maximizing transmission in the pass band. With a rejection band optical density of 4.0 combined with ? 91% in the pass band these filters are ideal for a wide variety of applications.
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Specifications

Classification High performance shortpass filter (HSPF)
External form D(mm) φ12.5
Externals Tolerance(mm) 0/-0.2
Thickness(mm) 1.5±0.1
Cutoff wavelength(nm) 900
Transmission band(nm) 425～890
Transmission prozone(nm) 930～1250
Material Fused silica
Clear Aperture(mm) [Dia.] ×0.8
Transmitted Wavefront ≦1/4λ(@632.8nm)(RMS)
Surface quality 40-20
Average transmission Tavg ≧91％(@pass band transmission)
Blocking performance Tavg≦0.01％(@rejection band blocking)
Wavelength tolerance ±1％
Cutoff slope <1％
Angle of Incidence 0°(parallel beam)
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Curve(FOR REFERENCE ONLY)

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Specification drawings(or pictures)

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