Far Infrared Fabry-Perot Interferometer,

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Abstract:

Descriptions are given of the construction of a Fabry-Perot interferometer, the technique for stretching and aligning the grids, and measurements made using 400 and 1000 L.P.I. grids. Ulrichs lumped parameter theory of the optical properties of square-type grids is applied to the calculation of the Fabry-Perot characteristics of the instrument good agreement is found if the divergence of the incident radiation is considered. Calculations of the transmittance of multigrid interference filters give only qualitative agreement with examples from the literature, as does also an attempt to extend Ulrichs theory for square-type grids to cross-type grids. Author

Author(s):
Gabriel, Cedric J.
Author Organization(s):
NAVAL WEAPONS CENTER CHINA LAKE CA
Descriptive Note:
Technical publication, Nov 68-Feb 70,
Pagination:
0033

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
NWC-TP-4991, GIDEP-347.65.00.00-X7-04
Project Number(s):
NASA-W11-400
Monitor Series:
347.65.00.00-X7-04
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*INTERFEROMETERS, INFRARED OPTICAL SYSTEMS, OPTICAL FILTERS, LASERS, PERFORMANCE(ENGINEERING)
Field(s)/Group(s):
Optics
Keyword(s):
*FABRY PEROT INTERFEROMETERS, *FAR INFRARED RADIATION, GRIDS, ULRICHS THEORY
Report Date:
1970 Sep 01