GB2158604B - Diffraction gratings - Google Patents

Diffraction gratings

Info

Publication number: GB2158604B
Authority: GB; United Kingdom
Prior art keywords: diffraction gratings; gratings; diffraction
Prior art date: 1984-05-11
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.): Expired

Application number

GB08412035A

Other versions

GB8412035D0 (en

GB2158604A (en

Inventor

Kevin Christopher Byron

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.)

STC PLC

Original Assignee

STC PLC

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.)

1984-05-11

Filing date

1984-05-11

Publication date

1987-10-21

1984-05-11 Application filed by STC PLC filed Critical STC PLC

1984-05-11 Priority to GB08412035A priority Critical patent/GB2158604B/en

1984-06-20 Publication of GB8412035D0 publication Critical patent/GB8412035D0/en

1985-04-26 Priority to AU41749/85A priority patent/AU4174985A/en

1985-11-13 Publication of GB2158604A publication Critical patent/GB2158604A/en

1987-10-21 Application granted granted Critical

1987-10-21 Publication of GB2158604B publication Critical patent/GB2158604B/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1847—Manufacturing methods
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
- G02B5/1871—Transmissive phase gratings
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4403—Optical cables with ribbon structure

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Diffracting Gratings Or Hologram Optical Elements (AREA)

GB08412035A 1984-05-11 1984-05-11 Diffraction gratings Expired GB2158604B (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
GB08412035A GB2158604B (en)	1984-05-11	1984-05-11	Diffraction gratings
AU41749/85A AU4174985A (en)	1984-05-11	1985-04-26	Diffraction grating

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB08412035A GB2158604B (en)	1984-05-11	1984-05-11	Diffraction gratings

Publications (3)

Publication Number	Publication Date
GB8412035D0 GB8412035D0 (en)	1984-06-20
GB2158604A GB2158604A (en)	1985-11-13
GB2158604B true GB2158604B (en)	1987-10-21

Family

ID=10560783

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08412035A Expired GB2158604B (en)	1984-05-11	1984-05-11	Diffraction gratings

Country Status (2)

Country	Link
AU (1)	AU4174985A (en)
GB (1)	GB2158604B (en)

1984
- 1984-05-11 GB GB08412035A patent/GB2158604B/en not_active Expired
1985
- 1985-04-26 AU AU41749/85A patent/AU4174985A/en not_active Abandoned

Also Published As

Publication number	Publication date
GB8412035D0 (en)	1984-06-20
AU4174985A (en)	1985-11-14
GB2158604A (en)	1985-11-13

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Legal Events

Date	Code	Title	Description
1989-01-05	PCNP	Patent ceased through non-payment of renewal fee