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  • WS Reflectance Standards

WS-1 Diffuse Reflectance Standard

Part Number: WS-1

Lead Time: 2 weeks

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Product Details

The WS-1 uses a PTFE optical diffuser, a Lambertian material distinguished by its white matte finish and reflectivity >98% from 250-1500 nm and >95% from 250-2200 nm.

Product Overview

  • Diffusing materials – choose from PTFE (WS-1) or Spectralon (WS-1-SL) standards
  • High reflectivity over broad range – >95% reflectivity from 250-2200 nm
  • More options – additional Spectralon reflectance standards and targets also available


Select model to see full specifications


Diffusing Material:
>98% (250-1500 nm)>95% (250-2200 nm)
Spectral Range:
250-2000 nm
Dimensions (Housing):
38 mm diameter (housing)
Housing Material:
30 g