US4752108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated optical lens/coupler
Assignee: Alcatel Lucent NV
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Filing: 1986-01-29
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Granted: 1988-06-21
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Expires: 2006-01-29
Abstract
Abstract In the integrated optical multiplexer/demultiplexer (lens coupler), a reflection grating is deposited on an imaging lens having a plane surface. Input/output light beams are guided to the imaging lens via an integrated optical device containing planar waveguides for the light beams.
Inventors
- 👤 Theodor Vollmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:13
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/10; G02B6/12; G02B6/12007; G02B6/24; G02B6/26; G02B6/28; G02B6/2804; G02B6/2817; G02B6/293; G02B6/29304; G02B6/29305; G02B6/2931; G02B6/29379; G02B6/2938
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
113 words
An optical multiplexer/demultiplexer, comprising: a reflection grating and an imaging lens, said imaging lens having at least one planar surface and being connected directly to said reflection grating; and an integrated optical device, including a plurality of mutually adjacent planar waveguides, each of said waveguides havng a region adjacent said imaging lens and an input/output port, and extending from said region adjacent said imaging lens to said input/output port, said waveguides in the respective regions thereof adjacent said imaging lens, respectively pointing in respective directions of light beams emanating from and/or striking said imaging lens, said waveguides in respective regions thereof adjacent to the respective input/output ports thereof extending parallel to each other.
Claim 2
Dependent Claim
113 words
An optical multiplexer/demultiplexer, comprising: a reflection grating and an imaging lens, said imaging lens having at least one planar surface and being connected directly to said reflection grating; and an integrated optical device, including a plurality of mutually adjacent planar waveguides, each of said waveguides havng a region adjacent said imaging lens and an input/output port, and extending from said region adjacent said imaging lens to said input/output port, said waveguides in the respective regions thereof adjacent said imaging lens, respectively pointing in respective directions of light beams emanating from and/or striking said imaging lens, said waveguides in respective regions thereof adjacent to the respective input/output ports thereof extending parallel to each other.
Claim 3
Dependent Claim
15 words
An optical multiplexer/demultiplexer as in claim 1, wherein said directions converge toward said reflection grating.
Claim 4
Dependent Claim
27 words
An optical multiplexer/demultiplexer as in claim 1, wherein said integrated optical device, said imaging lens and said reflection grating are integrated together in a single unified structure.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-06-21 | 1991-12-21 | 1992-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-06-21 | 1995-12-21 | 1996-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-06-21 | 1999-12-21 | 2000-06-21 | $7700.00 | Window Closed / Lapsed |