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JPS5762024A - Optical rectifier for bidirectional travelling light beam - Google Patents

Optical rectifier for bidirectional travelling light beam

Info

Publication number
JPS5762024A
JPS5762024A JP13616280A JP13616280A JPS5762024A JP S5762024 A JPS5762024 A JP S5762024A JP 13616280 A JP13616280 A JP 13616280A JP 13616280 A JP13616280 A JP 13616280A JP S5762024 A JPS5762024 A JP S5762024A
Authority
JP
Japan
Prior art keywords
polarization
plane
light beam
theta
faraday rotator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP13616280A
Other languages
Japanese (ja)
Other versions
JPS6147402B2 (en
Inventor
Minoru Takizawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KOUKUU UCHIYUU GIJUTSU KENKIYUU SHIYOCHIYOU
National Aerospace Laboratory of Japan
Original Assignee
KOUKUU UCHIYUU GIJUTSU KENKIYUU SHIYOCHIYOU
National Aerospace Laboratory of Japan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KOUKUU UCHIYUU GIJUTSU KENKIYUU SHIYOCHIYOU, National Aerospace Laboratory of Japan filed Critical KOUKUU UCHIYUU GIJUTSU KENKIYUU SHIYOCHIYOU
Priority to JP13616280A priority Critical patent/JPS5762024A/en
Publication of JPS5762024A publication Critical patent/JPS5762024A/en
Publication of JPS6147402B2 publication Critical patent/JPS6147402B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • G02F1/093—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect used as non-reciprocal devices, e.g. optical isolators, circulators

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)

Abstract

PURPOSE:To obtain a unidirectional traveling light beam with simple constitution by arranging a Brewster plate, a Faraday rotator, a linear polarizing plate, and a faraday rotator in the optical path of a bidirectional traveling light beam. CONSTITUTION:A forward traveling light beam Wt having a plane of polarization in parallel to the paper surface is transmitted through a Brewster plate 23 at a Brewster angle thetaB and its plane of polarization is rotated by theta through a Faraday rotator 21. Since a linear polarizing plate 24 has its maximum transmission direction set at the angle theta to the X axis, the light Wt having a rotation angle theta of the plane of polarization is transmitted through the linear polarizing plate 24 as it is, and its plane of polarization is rotated by - theta through a Faraday rotator 22, so that it is emitted in its original state. A backward traveling light beam Wb having a plane of polarization in parallel to the paper surface, on the other hand, is made incident to the Faraday rotator 22 to rotate the plane of polarization by - theta, and the linear polarizing plate 24 transmits a component cos2theta; and the Farady rotator 21 rotates the plane of polarization by - theta, and the Brewster plate 23 reflects a vertical polarized wave component. thus, the unidirectional traveling light beam is obtained with the simple constitution.
JP13616280A 1980-09-30 1980-09-30 Optical rectifier for bidirectional travelling light beam Granted JPS5762024A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13616280A JPS5762024A (en) 1980-09-30 1980-09-30 Optical rectifier for bidirectional travelling light beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13616280A JPS5762024A (en) 1980-09-30 1980-09-30 Optical rectifier for bidirectional travelling light beam

Publications (2)

Publication Number Publication Date
JPS5762024A true JPS5762024A (en) 1982-04-14
JPS6147402B2 JPS6147402B2 (en) 1986-10-18

Family

ID=15168761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13616280A Granted JPS5762024A (en) 1980-09-30 1980-09-30 Optical rectifier for bidirectional travelling light beam

Country Status (1)

Country Link
JP (1) JPS5762024A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60227222A (en) * 1984-04-26 1985-11-12 Nippon Telegr & Teleph Corp <Ntt> Optical isolator
US4865429A (en) * 1987-02-17 1989-09-12 Hitachi Metals, Ltd. Apparatus for suppressing backward propagation along an optical path, comprising magnetic configurations that improve the Faraday effect
US5375009A (en) * 1991-04-26 1994-12-20 Hoya Corporation Optical isolator device having a wider cutoff wavelength band for a return light beam
US5428477A (en) * 1991-06-14 1995-06-27 Tokin Corporation Optical isolator operating independent of polarization of an incident beam

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60227222A (en) * 1984-04-26 1985-11-12 Nippon Telegr & Teleph Corp <Ntt> Optical isolator
JPS6257971B2 (en) * 1984-04-26 1987-12-03 Nippon Denshin Denwa Kk
US4865429A (en) * 1987-02-17 1989-09-12 Hitachi Metals, Ltd. Apparatus for suppressing backward propagation along an optical path, comprising magnetic configurations that improve the Faraday effect
US5375009A (en) * 1991-04-26 1994-12-20 Hoya Corporation Optical isolator device having a wider cutoff wavelength band for a return light beam
US5428477A (en) * 1991-06-14 1995-06-27 Tokin Corporation Optical isolator operating independent of polarization of an incident beam

Also Published As

Publication number Publication date
JPS6147402B2 (en) 1986-10-18

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