Detector apparatus for detecing coherent monohromatic point-source radiation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 10, 1993
Grant Date -
N/A
app pub date -
Feb 13, 1985
filing date -
Feb 18, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Detector apparatus includes a dispersive prism (10) and a diffraction grating (11) of the type which produces only zero and first order diffraction patterns. Located behind the diffraction grating (11) so as to interact with the first harmonic content of the diffraction patterns is a Moire grating (12) having half the pitch of the diffraction grating (11). Detector means including at least two pairs of detectors (13-16) is located behind the Moire grating (12) to detect the presence of Moire fringes.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully