Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Optical modulator and optical modulation method










Image Number 4 for United States Patent #6462857.

An optical modulator includes a magnetic ferrite single crystal, an optical source, a photoreceptor system and an analyzer. The magnetic ferrite single crystal has a transducer mounted and arranged to receive a microwave. The microwave is modulated by a signal having a frequency lower than the microwave. Light emitted from the optical source is introduced to the magnetic garnet single crystal and modulated by the microwave applied to the transducer. The photoreceptor system receives the modulated light that is emitted from the magnetic ferrite single crystal. The analyzer is provided between the magnetic ferrite single crystal and the photoreceptor system, and the analyzer is arranged such that a rotation angle of the analyzer about an optical axis thereof is shifted by an angle in the range of about 40 degrees to about 50 degrees from an extinct position at which an amount of direct-current light transmitted through analyzer is minimized.








 
 
  Recently Added Patents
Method and system for presenting live video from video capture devices on a computer monitor
System and method for wireless messaging in a wireless communication system
Tab visibility
Commissioning incoming packet switched connections
Label printer
Floor relief for dot improvement
Demand based power allocation
  Randomly Featured Patents
Device for clamping and breaking a phial
Semiconductor device having ferroelectric capacitor and hydrogen barrier film and manufacturing method thereof
Gaze tracking apparatus and method using difference image entropy
Apparatus and method for selling game tickets
Gyroscopic apparatus
Surface acoustic wave device having a pyramid shaped tip for recording video information on a substrate
Hermetically sealed connectors and feed-throughs for fiber optic cables and method for effecting hermetic seals for such cables
Light emitting device
Methanesulfonate salts of abiraterone-3-esters and recovery of salts of abirater one-3-esters from solution in methyl tert-butyl ether
Microwave baking with metal pans