A Gage Block Measurement Process Using Single Wavelength Interferometry, Issues 152-155U.S. Department of Commerce, National Bureau of Standards, 1975 - 30 pages |
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Page 1
... defined wavelength to NBS reference standard gage blocks is basic to the gage block calibration program at NBS . The inter- ferometric measurement process using a laser light source and a Kosters type gage block interferometer is ...
... defined wavelength to NBS reference standard gage blocks is basic to the gage block calibration program at NBS . The inter- ferometric measurement process using a laser light source and a Kosters type gage block interferometer is ...
Page 2
... definition has two advantages . First , specifying a platen identical to the block in material and surface finish minimizes phase shift effects which may occur in interferometry . Second , it ... defined as the per- ! The Interferometer 2.
... definition has two advantages . First , specifying a platen identical to the block in material and surface finish minimizes phase shift effects which may occur in interferometry . Second , it ... defined as the per- ! The Interferometer 2.
Page 5
... definition throughout the length range . The disadvantage stems from the somewhat unstable wavelength of Lamb dip stabilized lasers . Variations can approach 1 part in 107 both short term and long term . This is not serious for most ...
... definition throughout the length range . The disadvantage stems from the somewhat unstable wavelength of Lamb dip stabilized lasers . Variations can approach 1 part in 107 both short term and long term . This is not serious for most ...
Page 9
... defined gage point . The direction of increas- ing fringe order is verified by pressing down on the eyepiece and observ- ing fringe flow . A photograph is taken of the pattern . Block temperature , air temperature , barometric pressure ...
... defined gage point . The direction of increas- ing fringe order is verified by pressing down on the eyepiece and observ- ing fringe flow . A photograph is taken of the pattern . Block temperature , air temperature , barometric pressure ...
Page 15
... definition comparable to the other control blocks . Thermal expansion of this steel auxiliary block was included in computations of the length . 8.2 . Determining Process Characteristics The first step was to determine process ...
... definition comparable to the other control blocks . Thermal expansion of this steel auxiliary block was included in computations of the length . 8.2 . Determining Process Characteristics The first step was to determine process ...
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Common terms and phrases
1817 LIBRARIES air Å antiparticles Appendix atomic clocks broadcast Bureau of Standards cesium charge conjugation Classification length Wave Classified Lines cm 1 Tube cm 1 Wave cm Tube Spark commutation relations components earth electronic energy g-values gage block gauge hafnium Hf 1-Continued Hilbert space Intensity Classification length Intensity length Wave interferometer invariance JOHN ROBB JOHNNY HART Lagrangian Landé leap second length air length Wave number Lines of Hf Lorentz group Lorentz transformation matrix measurement Meggers MICHIGAN microinch momentum National Bureau number o-c cm number Wave number O-C 1 cm Observed and Classified operator oscillator particles pendulum Phys physical quency radio signal representation rotation rubidium sine waves Spark Wave number speed spinors star swings synchronized temperature theory tion Tube Spark o-c Tube Spark Wave vector watch Wave number air Wave number cm Wave number O-C Wave number Wave wavelength Zeeman zero
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