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Dual beam translator for use in Laser Doppler anemometry

Patent ·
OSTI ID:866112
 [1]
  1. Albany, NY
+ Show Author Affiliations
A method and apparatus for selectively translating the path of at least one pair of light beams in a Laser Doppler anemometry device whereby the light paths are translated in a direction parallel to the original beam paths so as to enable attainment of spacial coincidence of the two intersection volumes and permit accurate measurements of Reynolds shear stress.
Research Organization:
Knolls Atomic Power Laboratory (KAPL), Niskayuna, NY
DOE Contract Number:
AC12-76SN00052
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Number(s):
US 4637717
OSTI ID:
866112
Country of Publication:
United States
Language:
English

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Related Subjects

/356/359/
accurate
accurate measure
accurate measurement
accurate measurements
anemometry
apparatus
attainment
beam
beam path
beams
coincidence
device
device whereby
direction
direction parallel
doppler
doppler anemometry
dual
dual beam
enable
intersection
laser
laser doppler
light
light beam
light beams
light path
light paths
measurements
method
original
pair
parallel
path
paths
permit
permit accurate
rate measurements
reynolds
selectively
shear
shear stress
spacial
stress
translated
translating
translator
volumes
whereby