A Self-Consistent and Direct Reading Laser Homodyne Measurement Technique.

reportActive / Technical Report | Accession Number: AD0752744 | Need Help?

Abstract:

The memorandum describes a new experimental procedure for measuring sinusoidal vibration displacement amplitudes by means of a laser homodyne system. Advantages that include a self-checking feature to validate the measurement and a direct readout capability are discussed. Unambiguous displacement amplitude measurements for amplitude values greater than the optical wavelength employed are also shown to be possible. With a calibrated system, rotational vibration amplitudes can be measured. Author

Author(s):
Pernick, B. J.
Author Organization(s):
GRUMMAN AEROSPACE CORP BETHPAGE N Y RESEARCH DEPT
Descriptive Note:
Research memo.,
Pagination:
0026

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
RM-560J, GIDEP-428.80.00.00-K4-01
Monitor Series:
428.80.00.00-K4-01
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
(*VIBRATION, MEASUREMENT), (*NONDESTRUCTIVE TESTING, VIBRATION), TEST EQUIPMENT, LASERS, INTERFEROMETERS, PHASE SHIFT CIRCUITS
Field(s)/Group(s):
Test Facilities, Equipment and Methods
Keyword(s):
*HOLOGRAPHY, *INTERFEROMETERS
Report Date:
1972 Dec 01