BS EN ISO 7944:1998
$86.31
Optics and optical instruments. Reference wavelengths
Published By | Publication Date | Number of Pages |
BSI | 1998 | 12 |
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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.
Status | Revision Underway |
---|---|
Pages | 12 |
Publication Date | 1998-08-15 |
ISBN | 0 580 30030 7 |
Standard Number | BS EN ISO 7944:1998 |
Title | Optics and optical instruments. Reference wavelengths |
Identical National Standard Of | EN ISO 7944:1998, ISO 7944:1998 |
Replaces | BS 7017:1988 |
Descriptors | Optical 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 |
Publisher | BSI |
Committee | CPW/172 |
ICS Codes | 11.040.70 - Ophthalmic equipment |
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