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Spatial filter for improving polarization extinction ratio in a proton exchange wave guide device 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G02B-006/10
출원번호 US-0252704 (1994-06-02)
발명자 / 주소
  • Hung Henry H. (Paradise Valley AZ) Liu Ren-Young (Mesa AZ)
출원인 / 주소
  • Honeywell Inc. (Minneapolis MN 02)
인용정보 피인용 횟수 : 63  인용 특허 : 0

초록 ▼

A proton exchange polarizer with a spatial filter positioned to reduce cross coupling of unguided radiation. A photoconductor substrate is fabricated from LiNbO3 or LiTaO3. The substrate has a spatial filter located at a primary reflection point on a bottom of the substrate so as to block unguided T

대표청구항 ▼

A proton exchange polarizer comprising: an optically transmissive substrate, having a first surface, and a second surface approximately parallel to the first surface; a proton exchange waveguide formed on the first surface of said optically transmissive substrate, having an extraordinary axis with a

이 특허를 인용한 특허 (63)

  1. McAlister, Roy Edward, Acoustically actuated flow valve assembly including a plurality of reed valves.
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  3. McAlister, Roy Edward, Adaptive control system for fuel injectors and igniters.
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  4. Bennett, Sidney M., Angle random walk (ARW) noise reduction in fiber optic sensors using an optical amplifier.
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  5. Bennett, Sidney M., Apparatus and method for electronic RIN reduction in fiber-optic sensors utilizing filter with group delay.
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  6. McAlister, Roy E., Ceramic insulator and methods of use and manufacture thereof.
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  7. McAlister, Roy Edward, Chemical fuel conditioning and activation.
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  8. Dyott, Richard B., Current sensor.
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  9. Bennett, Sidney M., Decreasing the effects of linear birefringence in a fiber-optic sensor by use of Berry's topological phase.
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  10. Lewis, Jeffrey E., Devices and methods for spatial filtering.
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  11. Hendry,Loren M.; Lewis,Jeffrey E.; Grooms,Jason C.; Gray,Charles B., Environmentally stable electro-optic device and method for making same.
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  12. Dyott, Richard B., Faraday-effect current sensor with improved vibration response.
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  13. Ohno,Aritaka; Usui,Ryuji, Fiber optic gyroscope.
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  14. Ohno,Aritaka; Usui,Ryuji, Fiber optic gyroscope having optical integrated circuit, depolarizer and fiber optic coil.
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  15. McAlister, Roy Edward, Fuel injection systems with enhanced corona burst.
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  16. McAlister, Roy Edward, Fuel injection systems with enhanced corona burst.
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  17. McAlister, Roy Edward, Fuel injection systems with enhanced corona burst.
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  18. McAlister, Roy Edward, Fuel injection systems with enhanced thrust.
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  19. McAlister, Roy E., Fuel injector actuator assemblies and associated methods of use and manufacture.
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  20. McAlister, Roy Edward, Fuel injector actuator assemblies and associated methods of use and manufacture.
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  21. McAlister, Roy Edward, Fuel injector assemblies having acoustical force modifiers and associated methods of use and manufacture.
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  22. McAlister, Roy Edward, Fuel injector assemblies having acoustical force modifiers and associated methods of use and manufacture.
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  23. McAlister, Roy Edward; Hoekstra, Kraig; Kemmet, Ryan; Grottenthaler, David; Wright, Dustin, High pressure direct injected gaseous fuel system and retrofit kit incorporating the same.
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  24. McAlister, Roy Edward, Injector-igniter with fuel characterization.
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  25. McAlister, Roy Edward, Injector-igniter with fuel characterization.
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  26. McAlister, Roy Edward, Injector-igniter with thermochemical regeneration.
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  27. McAlister, Roy Edward, Injector-igniters with variable gap electrode.
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  28. McAlister, Roy Edward; Larsen, Melvin James, Integrated fuel injector igniters configured to inject multiple fuels and/or coolants and associated methods of use and manufacture.
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  29. McAlister, Roy E., Integrated fuel injector igniters having force generating assemblies for injecting and igniting fuel and associated methods of use and manufacture.
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  30. McAlister, Roy E., Integrated fuel injector igniters having force generating assemblies for injecting and igniting fuel and associated methods of use and manufacture.
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  31. McAlister, Roy Edward, Integrated fuel injector igniters having force generating assemblies for injecting and igniting fuel and associated methods of use and manufacture.
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  32. McAlister, Roy E., Integrated fuel injector igniters suitable for large engine applications and associated methods of use and manufacture.
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  33. McAlister, Roy E., Integrated fuel injector igniters suitable for large engine applications and associated methods of use and manufacture.
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  34. McAlister, Roy Edward, Integrated fuel injector igniters suitable for large engine applications and associated methods of use and manufacture.
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  35. McAlister, Roy E., Integrated fuel injector igniters with conductive cable assemblies.
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  36. McAlister, Roy E., Integrated fuel injectors and igniters and associated methods of use and manufacture.
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  37. McAlister, Roy E., Integrated fuel injectors and igniters and associated methods of use and manufacture.
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  38. McAlister, Roy Edward, Integrated fuel injectors and igniters and associated methods of use and manufacture.
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  39. Guattari, Frederic; Lefevre, Herve, Integrated optical circuit with an off-center groove.
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  40. Lefevre, Herve Claude; Guattari, Frederic, Integrated optical circuit with traversing attentuation zone.
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  41. McAlister, Roy Edward, Method and apparatus for providing adaptive swirl injection and ignition.
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  42. McAlister, Roy E., Method and system of thermochemical regeneration to provide oxygenated fuel, for example, with fuel-cooled fuel injectors.
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  43. McAlister, Roy Edward, Methods and apparatuses for detection of properties of fluid conveyance systems.
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  44. McAlister, Roy Edward; Larsen, Melvin James, Methods and systems for adaptively cooling combustion chambers in engines.
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  45. McAlister, Roy Edward; Larsen, Melvin James; McAlister, legal representative, Roy Edward, Methods and systems for adaptively cooling combustion chambers in engines.
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  46. McAlister, Roy E., Methods and systems for reducing the formation of oxides of nitrogen during combustion in engines.
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  47. McAlister, Roy Edward, Methods and systems for reducing the formation of oxides of nitrogen during combustion of engines.
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  48. McAlister, Roy Edward, Methods, devices, and systems for detecting properties of target samples.
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  49. McAlister, Roy Edward, Motion modifiers for fuel injection systems.
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  50. McAlister, Roy, Multifuel storage, metering and ignition system.
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  51. McAlister, Roy Edward, Multifuel storage, metering and ignition system.
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  52. Lorrie L. Gampp ; Gregory Zimmerman ; Arthur R. Martinez ; Thomas M. Flaherty ; Christine E. Geosling, Multifunction integrated optics chip having improved polarization extinction ratio.
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  53. Anderson Jerry M. (Austell GA) Filas Robert W. (Bridgewater NJ) Johnson ; Jr. David W. (Bedminster NJ) Lampert Norman R. (Norcross GA) Rabinovich Eliezer M. (Berkeley Heights NJ) Ridgway David N. (Co, Optical fiber connector comprising a glass ferrule, and method of making same.
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  54. Simonpietri, Pascal; Chouvin, Stephane; Molucon, Cedric, Sagnac-ring fiber-optic interferometric system with Rayleigh length spaced polarizer.
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  55. McAlister, Roy E., Shaping a fuel charge in a combustion chamber with multiple drivers and/or ionization control.
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  56. McAlister, Roy E., Shaping a fuel charge in a combustion chamber with multiple drivers and/or ionization control.
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  57. McAlister, Roy Edward, Shaping a fuel charge in a combustion chamber with multiple drivers and/or ionization control.
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  58. McAlister, Roy Edward; Larsen, Melvin James, Systems and methods for improved engine cooling and energy generation.
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  59. McAlister, Roy Edward; Grottenthaler, David, Systems and methods for providing motion amplification and compensation by fluid displacement.
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  60. McAlister, Roy Edward, Systems and methods for utilizing alcohol fuels.
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  61. McAlister, Roy Edward, Systems, methods, and devices with enhanced lorentz thrust.
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  62. McAlister, Roy Edward; Larsen, Melvin James, Torque multiplier engines.
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  63. Lange,Charles H., Waveguide device having improved spatial filter configurations.
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