Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Wavelength selection, multiplexing and demultiplexing method and apparatus










Image Number 7 for United States Patent #6038076.

Wavelength selection apparatus for use in various applications such as spectrometry, the demultiplexing/multiplexing of multiline laser beams, and so forth, includes an input prism and an output prism aligned along an optical axis, and at least one side mirror. A second side mirror spaced from the first side mirror on the opposite side of the optical axis may be provided, as well as end mirrors adjacent to the input and output prisms. An incoming beam incident upon the input prism is refracted so as to deflect and angularly disperse the various wavelengths present in the input beam, with the dispersing beam reflected from the first side mirror either directly to the output prism or with intermediate reflections from the second side mirror and the end mirrors before impinging upon the output prism. The output prism matches the input prism and deflects and recollimates the dispersed wavelengths to provide parallel output beams of different wavelengths spaced from one another. Selection of a desired wavelength in the output beam may be obtained by moving the input and output prisms with respect to each other axially until the desired output beam is moved to a position in which it passes through an aperture.








 
 
  Recently Added Patents
Cooking tray
System and method for detecting malicious code executed by virtual machine
Technique for skipping irrelevant portions of documents during streaming XPath evaluation
Semiconductor device and manufacturing method thereof
Bend resistant cable
Plants and seeds of corn variety CV577261
Para-xylylene based microfilm elution devices
  Randomly Featured Patents
Replaceable adaptor for a hot water tank resistive heating element
Method and apparatus for flag-less water bonding tool
Actuator servo-control monitoring method and device
Method for fence construction
Gravity bending glass sheets
Plasma display device
Liquid ejection device
Apparatus and method for providing multimedia conferencing services with selective information services
In-band signaling for synchronization in a voice communications network
Airplane swing