JPH0485414U - - Google Patents
Info
- Publication number
- JPH0485414U JPH0485414U JP13071990U JP13071990U JPH0485414U JP H0485414 U JPH0485414 U JP H0485414U JP 13071990 U JP13071990 U JP 13071990U JP 13071990 U JP13071990 U JP 13071990U JP H0485414 U JPH0485414 U JP H0485414U
- Authority
- JP
- Japan
- Prior art keywords
- birefringent crystal
- degrees
- rotated
- respect
- thickness
- 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
Links
- 230000010287 polarization Effects 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims 10
- 230000003287 optical effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
Description
第１図はこの考案の一実施例を側面から見た模
式図、第２図はルチル板のＣ軸方向を示す図、第
３図は同実施例の各部における順方向での各偏光
成分の偏光面と位置関係とを示す模式図、第４図
は順方向での各偏光成分の位置関係及びその変化
順序を示す図、第５図は逆方向での各偏光成分の
位置関係及びその変化順序を示す図である。
１１，１２，１３，１４……ルチル板、２１，
２２，２３……フアラデ素子。
Fig. 1 is a schematic diagram of an embodiment of this invention seen from the side, Fig. 2 is a diagram showing the C-axis direction of the rutile plate, and Fig. 3 is a diagram showing the polarization components of each part of the embodiment in the forward direction. A schematic diagram showing the polarization plane and the positional relationship. Figure 4 is a diagram showing the positional relationship of each polarized light component in the forward direction and the order of change thereof. Figure 5 is a diagram showing the positional relationship of each polarized light component in the reverse direction and its change. It is a figure which shows an order. 11, 12, 13, 14...Rutile plate, 21,
22, 23...Fualade element.
Claims (1)
る第１のフアラデ素子と、第１の複屈折結晶に対
して４５°回転させられた、第１の複屈折結晶の
（１＋√２）倍の厚さを有する第２の複屈折結晶
と、偏光面を４５°回転させる第２のフアラデ素
子と、第１の複屈折結晶に対して９０°回転させ
られた、第１の複屈折結晶の（１＋√２）倍の厚
さを有する第３の複屈折結晶と、偏光面を４５°
回転させる第３のフアラデ素子と、第１の複屈折
結晶に対して１３５°回転させられた、第１の複
屈折結晶と同じ厚さを有する第４の複屈折結晶と
を光軸方向に順に並べたことを特徴とする光アイ
ソレータ。 A first birefringent crystal, a first Faraday element that rotates the plane of polarization by 45 degrees, and (1+√2) of the first birefringent crystal rotated by 45 degrees with respect to the first birefringent crystal. a second birefringent crystal having double the thickness; a second Farade element that rotates the plane of polarization by 45 degrees; and a first birefringent crystal rotated by 90 degrees with respect to the first birefringent crystal. A third birefringent crystal with a thickness (1+√2) times that of
A third Farade element to be rotated and a fourth birefringent crystal rotated by 135 degrees with respect to the first birefringent crystal and having the same thickness as the first birefringent crystal are sequentially rotated in the optical axis direction. An optical isolator characterized by being lined up.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13071990U JP2508741Y2 (en) | 1990-11-30 | 1990-11-30 | Optical isolator |
| US07/795,140 US5237445A (en) | 1990-11-30 | 1991-11-20 | Optical isolator |
| EP19910119905 EP0489315A3 (en) | 1990-11-30 | 1991-11-22 | Optical isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13071990U JP2508741Y2 (en) | 1990-11-30 | 1990-11-30 | Optical isolator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0485414U true JPH0485414U (en) | 1992-07-24 |
| JP2508741Y2 JP2508741Y2 (en) | 1996-08-28 |
Family
ID=31878036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13071990U Expired - Lifetime JP2508741Y2 (en) | 1990-11-30 | 1990-11-30 | Optical isolator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2508741Y2 (en) |
-
1990
- 1990-11-30 JP JP13071990U patent/JP2508741Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2508741Y2 (en) | 1996-08-28 |
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