JPS6470725A - Rotary element for plane of polarization - Google Patents
Rotary element for plane of polarizationInfo
- Publication number
- JPS6470725A JPS6470725A JP62226366A JP22636687A JPS6470725A JP S6470725 A JPS6470725 A JP S6470725A JP 62226366 A JP62226366 A JP 62226366A JP 22636687 A JP22636687 A JP 22636687A JP S6470725 A JPS6470725 A JP S6470725A
- Authority
- JP
- Japan
- Prior art keywords
- polarization
- plane
- superconductive
- solenoids
- magnetic field
- 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.)
- Pending
Links
Landscapes
- Superconductor Devices And Manufacturing Methods Thereof (AREA)
Abstract
PURPOSE:To enable a plane of polarization to be rotated tunably in an arbitrary direction and to expand an application range by using an electromagnet which shows superconduction under a specific condition as a magnetic field generation source, and increasing magnetic strength. CONSTITUTION:As the magnetic field generation source, superconductive solenoids 5 and 5' made of a YBaCuO group superconductive material which shows a superconductive property at the critical temperature of around that of liquid nitrogen is used. By rotating the plane of polarization, linear polarization is made incident on a Faraday rotational material 4 from a window 3 provided at a heat insulating vessel 2, and is emitted via a window 6. Also, the rotational material 4 is arranged within the magnetic field of the solenoids 5 and 5'. And they are cooled by the liquid nitrogen 7 filled in the heat insulating vessel 2, thereby, the superconductive property can be maintained. Bycontrolling an excitation current 9 to be supplied from a power source 8 to the solenoids 5 and 5', the angle of rotation of the plane of polarization is changed. In such a way, it is possible to rotate the plane of polarization tunably and successively in the arbitrary direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62226366A JPS6470725A (en) | 1987-09-11 | 1987-09-11 | Rotary element for plane of polarization |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62226366A JPS6470725A (en) | 1987-09-11 | 1987-09-11 | Rotary element for plane of polarization |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6470725A true JPS6470725A (en) | 1989-03-16 |
Family
ID=16844017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62226366A Pending JPS6470725A (en) | 1987-09-11 | 1987-09-11 | Rotary element for plane of polarization |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6470725A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8179601B2 (en) * | 2008-05-22 | 2012-05-15 | Miyachi Corporation | Cooling device for a Faraday rotator of an opto-isolator in a laser processing apparatus |
-
1987
- 1987-09-11 JP JP62226366A patent/JPS6470725A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8179601B2 (en) * | 2008-05-22 | 2012-05-15 | Miyachi Corporation | Cooling device for a Faraday rotator of an opto-isolator in a laser processing apparatus |
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