Method and device for obtaining a low-noise optical signal
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 4, 2007
Grant Date -
Aug 12, 2004
app pub date -
Jan 13, 2004
filing date -
Jan 13, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a method and a device for obtaining a low-noise optical signal.According to the method, a luminous beam is injected through two apertures and after detection respectively a basic optical signal (21) and a corrective optical signal (22) are generated. Both optical signals obtained (21, 22) are subtracted, so that a resulting optical signal is generated, forming the low-noise optical signal. The apertures are preferably two slits of a spectroscope, the optical signals being expressible relative to the wavelength.
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