Shortpass Filters

HSPF-12.5-900

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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

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.

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)

Curve(FOR REFERENCE ONLY)

Specification drawings(or pictures)