Apparatus for conversion of whispering-gallery modes into a free space Gaussian like beam
Patent Application
·
OSTI ID:10162713
An optical converter for efficient conversion of millimeter wavelength whispering-gallery gyrotron output into a linearly polarized, free-space Gaussian-like beam. The converter uses a mode-converting taper and three mirror optics. The first mirror has an azimuthal tilt to eliminate the k{sub {phi}} component of the propagation vector of the gyrotron output beam. The second mirror has a twist reflector to linearly polarize the beam. The third mirror has a constant phase surface so the converter output is in phase.
- Research Organization:
- Lawrence Livermore National Lab., CA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-48
- Assignee:
- Dept. of Energy
- Patent Number(s):
- PATENTS-US-A7711693
- Application Number:
- ON: DE93015707
- OSTI ID:
- 10162713
- Resource Relation:
- Other Information: PBD: 1991
- Country of Publication:
- United States
- Language:
- English
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