Method and apparatus for performing optical imaging using frequency-domain interferometry
US-2016320170-A1 · Nov 3, 2016 · US
Translucent sintered body, a Faraday rotator made of this sintered body, and an optical isolator
US9778495B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9778495-B2 |
| Application number | US-201414534907-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 6, 2014 |
| Priority date | Nov 11, 2013 |
| Publication date | Oct 3, 2017 |
| Grant date | Oct 3, 2017 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
A translucent sintered body having the following basic composition: Ca (1−x) Yb x F (2+x) , where 0.4≦ x ≦1.0, or preferably Ca (1−x−y) Yb x R y F (2+x+y) , 0.4≦ x ≦1.0, 0≦ y ≦0.5 wherein R is at least one element selected from Ce, Pr, Sm, Eu and Y.
First claim
Opening claim text (preview).
What is claimed is: 1. A translucent sintered body comprising a composition represented by the following formula: Ca (1−x−y) Yb x R y F (2+x+y) , 0.4< x≦ 1.0, 0< y≦ 0.5, 0.1≦1 −x−y, wherein R is at least one element selected from Ce, Pr, Sm, Eu and Y. 2. A translucent sintered body as claimed in claim 1 , having a transmittance of 60% or higher with respect to the lights of wavelength range of 140 nm through 450 nm. 3. A Faraday rotator comprising a translucent sintered body according to claim 1 . 4. A Faraday rotator comprising a translucent sintered body according to claim 2 . 5. An optical isolator comprising a Faraday rotator of claim 3 . 6. An optical isolator comprising a Faraday rotator of claim 4 .
Assignees
Inventors
Classifications
Anti-reflection devices, e.g. optical isolaters (absorbing layers for marking or protecting purposes in laser working B23K26/50; magneto-optical non-reciprocal devices G02F1/093, G02F1/0955) · CPC title
Calcium oxide or oxide-forming salts thereof, e.g. lime · CPC title
- G02F1/093Primary
used as non-reciprocal devices, e.g. optical isolators, circulators (G02F1/0955 takes precedence) · CPC title
based on fluorides · CPC title
Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide · CPC title
Patent family
Related publications grouped by family.
External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US9778495B2 cover?
- A translucent sintered body having the following basic composition: Ca (1−x) Yb x F (2+x) , where 0.4≦ x ≦1.0, or preferably Ca (1−x−y) Yb x R y F (2+x+y) , 0.4≦ x ≦1.0, 0≦ y ≦0.5 wherein R is at least one element selected from Ce, Pr, Sm, Eu and Y.
- Who is the assignee on this patent?
- Shinetsu Chemical Co
- What technology area does this patent fall under?
- Primary CPC classification G02F1/093. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Oct 03 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).