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  • BSI
    BS EN ISO 7944:1998 Optics and optical instruments. Reference wavelengths
    Edition: 1998
    $281.30
    / user per year

Description of BS EN ISO 7944:1998 1998

This International Standard specifies two reference wavelengths to be used for the characterization of optical materials, optical systems and instruments, as well as ophthalmic lenses. It defines the associated principal refractive indices and principal dispersions, as well as the Abbe numbers with regard to these reference wavelengths and principal dispersions.



Standard NumberBS EN ISO 7944:1998
TitleOptics and optical instruments. Reference wavelengths
StatusRevision Underway
Publication Date1998-08-15
ReplacesBS 7017:1988
Identical National Standard OfEN ISO 7944:1998, ISO 7944:1998
DescriptorsOptical properties of materials, Ultraviolet radiation, Contact lenses, Helium, Lasers, Spectra, Optical measurement, Refractive index, Optical dispersive power, Infrared radiation, Spectacle lenses, Wavelengths, Mercury, Ophthalmic equipment, Refractivity, Optical instruments, Optics
ICS11.040.70 Ophthalmic equipment, 17.180.01 Optics and optical measurements in general
CommitteeCPW/172
ISBN0 580 30030 7
PublisherBSI
Pages12

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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