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특허 상세정보

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Measurement of electrical signals with picosecond resolution

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01R-023/16   
미국특허분류(USC) 324/77K ; 324/96 ; 350/385
출원번호 US-0348127 (1982-02-12)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 50  인용 특허 : 0
초록
▼

Electrical signals are measured (analyzed and displayed) with picosecond resolution by the electrooptic sampling of the signal being analyzed in a traveling wave Pockels cell. Sampling pulses, from an optical pulse generator such as a colliding pulse mode-locked laser, of subpicosecond duration are transmitted through the cell as polarized light and translated into a difference output corresponding to the difference in amplitude between the transmitted and rejected components of the polarized light. The signals, synchronous with the optical sampling puls...

대표
청구항

A system for measurement of an electrical signal with picosecond resolution which comprises means including a traveling wave Pockels cell for electrooptically sampling successively occurring portions of said signal with optical pulses which propagate through the cell transversely to the direction of the propagation of the electrical signal, and means for processing the samples to provide a display of said signal.

이 특허를 인용한 특허 피인용횟수: 50

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  5. Aoshima Shinichiro (Shizuoka JPX) Tsuchiya Yutaka (Shizuoka JPX). Electrical signal observing device for converting an electrical signal to be measured into an optical intensity waveform. USP1990104967144.
  6. Takahashi Hironori (Hamamatsu JPX) Aoshima Shinichiro (Hamamatsu JPX) Hirano Isuke (Hamamatsu JPX). Electro-optic apparatus for measuring an electric field of a sample. USP1997015592101.
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  8. Valdmanis Janis A. (Westfield NJ). Electro-optic measurements of voltage waveforms on electrical conductors. USP1990014891580.
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  11. Takahashi Hironori (Shizuoka JPX) Aoshima Shinichiro (Shizuoka JPX) Tsuchiya Yutaka (Shizuoka JPX). Electro-optic voltage detector having a transparent electrode. USP1991024996475.
  12. Takahashi Hironori (Hamamatsu JPX) Tsuchiya Yutaka (Hamamatsu JPX) Kamiya Takeshi (Suginami-ku JPX). Electro-optic voltage measurement apparatus. USP1997045625296.
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  17. McEwan,Thomas Edward. Error corrector for radar timing systems. USP2008117446699.
  18. Bloom David M. (Menlo Park CA) Kolner Brian H. (Menlo Park CA). High speed testing of electronic circuits by electro-optic sampling. USP1987074681449.
  19. Twichell Jonathan C. ; Helkey Roger J.. Linearized optical sampler. USP2000026028424.
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  22. Mourou Gerard (Rochester NY) Meyer Kevin E. (Rochester NY). Measurement of electrical signals with subpicosecond resolution. USP1986074603293.
  23. Mourou Gerard (Rochester NY) Valdmanis Janis A. (Westfield NJ). Measurement of electrical signals with subpicosecond resolution. USP1986104618819.
  24. Meyrueix Paul (Paris FRX) Tremblay Gerard (Loudin CA FRX) Vernhes Jean P. (San Jose CA). Method and apparatus for electro-optically testing circuits. USP1993125272434.
  25. Itatani Taro,JPX ; Nakagawa Tadashi,JPX ; Sugiyama Yoshinobu,JPX ; Ohta Kimihiro,JPX. Method of electro-optical measurement for vector components of electric fields and an apparatus thereof. USP1998045737082.
  26. Koishi Musubu (Shizuoka JPX) Aoshima Shinichiro (Shizuoka JPX) Tsuchiya Yutaka (Shizuoka JPX). Multi-channel voltage detector. USP1990094958124.
  27. Mukohzaka Naohisa (Shizuoka JPX). Optical associative memory employing an autocorrelation matrix. USP1990114974202.
  28. Okayasu Toshiyuki,JPX. Optical sampler. USP2001106303926.
  29. Song William S.. Optically sampling, demultiplexing, and A/D converting system with improved speed. USP2000096118396.
  30. Ishikawa Masatoshi (Ibaraki JPX) Mukohzaka Naohisa (Shizouka JPX). Opto-electric hybrid associative memory. USP1990114972348.
  31. Crawford, Thomas McLendon; Covington, Mark William; Clinton, Thomas William. Photoconductive optical write driver for magnetic recording. USP2005066903891.
  32. McEwan, Thomas Edward. Rate locked loop radar timing system. USP2009067551703.
  33. Boroson Don M.. Signal generation using optical pulses. USP1998105822103.
  34. d\Humieres Etienne (Versailles FRX) Bernet Jean M. (La Celle St. Cloud FRX) Eumurian Cregoire (Argenteuil FRX). System for analyzing transients in a non-luminous signal. USP1988014719412.
  35. Elsayed-Ali Hani E. (Rochester NY). System for surface temperature measurement with picosecond time resolution. USP1991045010250.
  36. Henley Francois G. (San Jose CA) Choi Hee-June (Fremont CA) Kratzer Dean J. (Palo Alto CA) Barr Maurice R. (Saratoga CA). Ultra-high-speed digital test system using electro-optic signal sampling. USP1989104875006.
  37. Takahashi Hironori (Shizuoka JPX) Tsuchiya Yutaka (Shizuoka JPX). Voltage detecting device. USP1990064933628.
  38. Aoshima Shinichiro (Hamamatsu JPX) Tsuchiya Yutaka (Hamamatsu JPX). Voltage detector. USP1990014891579.
  39. Aoshima Shinichiro (Shizuoka JPX) Tsuchiya Yutaka (Shizuoka JPX). Voltage detector. USP1990044920310.
  40. Takahashi Hironori (Shizuoka JPX) Aoshima Shinichiro (Shizuoka JPX) Nakamura Iakuya (Shizuoka JPX) Tsuchiya Yutaka (Shizuoka JPX). Voltage detector. USP1990104962353.
  41. Aoshima Shinichiro (Shizuoka JPX) Tsuchiya Yutaka (Shizuoka JPX). Voltage detector employing electro-optic material having a corner-cube shape. USP1989094864222.
  42. Takahashi Hironori (Shizuoka JPX) Tsuchiya Yutaka (Shizuoka JPX) Aoshima Shinichiro (Shizuoka JPX). Voltage detector for detecting a voltage developing in a selected area of an object. USP1989124887026.
  43. Aoshima Shinichiro (Shizuoka JPX) Tsuchiya Yutaka (Shizuoka JPX) Takahashi Hironori (Shizuoka JPX). Voltage detector having compensation for polarization change caused by spontaneous birefringence. USP1989094866372.
  44. Takahashi Hironori (c/o Hamamatsu Photonics Kabushiki Kaisha ; No. 1126-1 ; Ichino-cho Hamamatsu-shi ; Shizuoka JPX) Aoshima Shinichiro (Shizuoka JPX) Nakamura Takuya (Shizuoka JPX) Tsuchiya Yutaka (. Voltage detector using a sampling type high-speed photodetector. USP1990124975635.
  45. Aoshima Shinichiro (Shizuoka JPX) Tsuchiya Yutaka (Shizuoka JPX) Nakamura Takuya (Shizuoka JPX). Voltage detector using electro-optic material and interference of light beams. USP1989094864220.
  46. Takahashi Hironori (Shizuoka JPX) Aoshima Shinichiro (Shizuoka JPX) Ooi Yoshiharu (Shizuoka JPX) Takahashi Mutsuji (Shizuoka JPX) Tsuchiya Yutaka (Shizuoka JPX). Voltage detector using electro-optic material having anti-reflective coatings. USP1990114968881.
  47. Aoshima Shinichiro (Shizuoka JPX) Tsuchiya Yutaka (Shizuoka JPX). Voltage detector utilizing an optical probe of electro-optic material. USP1989064841234.
  48. Takahashi Hironori (Shizuoka JPX) Aoshima Shinichiro (Shizuoka JPX) Tsuchiya Yutaka (Shizuoka JPX). Voltage mapping device having fast time resolution. USP1990034906922.
  49. Takahashi Hironori (Hamamatsu JPX) Koishi Musubu (Hamamatsu JPX) Takeshima Akira (Hamamatsu JPX). Voltage measurement system. USP1997055631555.
  50. Takahashi Hironori (Shizuoka JPX) Aoshima Shinichiro (Shizuoka JPX) Tsuchiya Yutaka (Shizuoka JPX). Voltage measuring apparatus. USP1991014982151.

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