Optical apparatus for conversion of whispering-gallery modes into a free space gaussian like beam

Patent · Tue May 19 00:00:00 EDT 1992

OSTI ID:7071914

Stallard, B W; Makowski, M A; Byers, J A

An optical converter for efficient conversion of millimeter wavelength whispering-gallery gyrotron output into a linearly polarized, free-space Gaussian-like beam is described. 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. 20 figs.

• DOE Contract Number: W-7405-ENG-48
• Assignee: Dept. of Energy, Washington, DC (United States)
• Patent Number(s): US 5115482; A
• Application Number: PPN: US 7-711693
• OSTI ID: 7071914
• Resource Relation: Patent File Date: 7 Jun 1991
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
MICROWAVE AMPLIFIERS
MODE CONVERSION
MICROWAVE RADIATION
MIRRORS
POLARIZATION
AMPLIFIERS
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
EQUIPMENT
MICROWAVE EQUIPMENT
RADIATIONS
426000* - Engineering- Components
Electron Devices & Circuits- (1990-)