JPS5588009A - Double refractive polarizing prism - Google Patents
Double refractive polarizing prismInfo
- Publication number
- JPS5588009A JPS5588009A JP16297578A JP16297578A JPS5588009A JP S5588009 A JPS5588009 A JP S5588009A JP 16297578 A JP16297578 A JP 16297578A JP 16297578 A JP16297578 A JP 16297578A JP S5588009 A JPS5588009 A JP S5588009A
- Authority
- JP
- Japan
- Prior art keywords
- light
- abnormal light
- prism
- abnormal
- prisms
- 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
Abstract
PURPOSE: To achieve the improvement in performance by providing dielectric antireflecting films for abnormal light on prism surfaces.
CONSTITUTION: The dielectric antireflecting films G, H respectively composed of single layer or multilayer dielectric layers for abnormal light are provided on the surfaces a1, b1 of prisms A, B which are of right-angled triangular column form composed of double refracting crystals such as calcite and have optical axis in their axial direction, after which the surfaces a1, b1 are closely opposed in such a manner that their optical axes become mutually parallel and the prisms A, B are bonded by means of adhesive agents D. With this arrangement, part of the light LO incident from the outer side of the prism A toward the surfaces a1, b1 reflects at the position C between the surfaces a1, b1 and emits as normal light LN and when abnormal light LE emits by passing through the surfaces a1, b1, the reflection of the abnormal light LE in the position C is perfectly prevented, thus the entry of the abnormal light LE into the normal light LN is prevented.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16297578A JPS5588009A (en) | 1978-12-26 | 1978-12-26 | Double refractive polarizing prism |
US06/093,967 US4272159A (en) | 1978-11-28 | 1979-11-14 | Optical circulator |
CA340,188A CA1128347A (en) | 1978-11-28 | 1979-11-20 | Polarization independent optical circulator |
GB7940459A GB2038022B (en) | 1978-11-28 | 1979-11-22 | Optical circulator |
FR7929032A FR2443079A1 (en) | 1978-11-28 | 1979-11-26 | OPTICAL CIRCULATOR |
DE2947730A DE2947730C2 (en) | 1978-11-28 | 1979-11-27 | Optical circulator |
IT7927653A IT1127644B (en) | 1978-11-28 | 1979-11-28 | OPTICAL PROPAGATOR |
NLAANVRAGE7908628,A NL180883C (en) | 1978-11-28 | 1979-11-28 | OPTICAL CIRCULATOR. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16297578A JPS5588009A (en) | 1978-12-26 | 1978-12-26 | Double refractive polarizing prism |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5588009A true JPS5588009A (en) | 1980-07-03 |
Family
ID=15764831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16297578A Pending JPS5588009A (en) | 1978-11-28 | 1978-12-26 | Double refractive polarizing prism |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5588009A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0212106A (en) * | 1988-06-29 | 1990-01-17 | Nec Corp | Birefringent diffraction grating type polarizer |
US5377040A (en) * | 1990-11-27 | 1994-12-27 | Fujitsu Limited | Polarization independent optical device |
-
1978
- 1978-12-26 JP JP16297578A patent/JPS5588009A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0212106A (en) * | 1988-06-29 | 1990-01-17 | Nec Corp | Birefringent diffraction grating type polarizer |
US5377040A (en) * | 1990-11-27 | 1994-12-27 | Fujitsu Limited | Polarization independent optical device |
US5739951A (en) * | 1990-11-27 | 1998-04-14 | Fujitsu Limited | Polarization independent optical device |
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