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Description / Abstract:
This Standard establishes requirements and methods for the
specification, evaluation, setup, and use of laser interferometers.
This Standard will explicitly discuss only single-pass optics and a
single axis of linear displacement measurement.
The Standard is currently limited to ionized gas laser
interferometer systems. Only single-color lasers will be considered
in this edition of the Standard. Single color will include both
homodyne systems and heterodyne systems (see Nonmandatory Appendix
E) where all operating frequencies lie within a Doppler-broadened
frequency band associated with one specific atomic transition or
Zeeman multiplet. Diode laser systems, chirp systems, and two-color
interferometers may be included in future editions of this
Standard. It should be noted that the folded common path comparison
technique of this Standard could be used to compare any of the
above systems to a standard He–Ne laser interferometer.
Testing of laser interferometers as described in this Standard
has bearing on a number of other standards, such as ASME B89.4.19,
ASME B5.54, ASME B5.57, ISO 230-1, ISO 230-2, ISO 230-3, and ISO
230-6 (see references [1–7] in section 7).