US5307363A
Expired / Lapsed
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Organic optical gain device and method of exciting the same
Assignee: Idemitsu Kosan Co Ltd
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Filing: 1993-03-19
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Granted: 1994-04-26
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Expires: 2013-03-19
Abstract
Abstract Disclosed is an optical gain device comprising an active layer having a film thickness of 1 mu m or less, 10% or more by weight of fluorescent organic molecules such as stilbene dye, and a quantum yield of fluorescence of 0.1 or more, the device being capable of exciting the active layer and also waveguiding and amplifying the light emitted from the fluorescent organic molecules. The aforesaid, optical gain device is capable of improving the threshold of excitation intensity as well as the optical gain.
Inventors
- 👤 Chishio Hosokawa
- 👤 Tadashi Kusumoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:57
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/05; H01S3/06; H01S3/063; H01S3/0632; H01S3/0635; H01S3/14; H01S3/16; H01S3/168
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
60 words
An organic optical gain device which comprises an active layer having a film thickness of 1 μm or less, 10% or more by weight of fluorescent organic molecules, and a quantum yield of fluorescence of 0.1 or more, said device being capable of exciting the active layer, and also waveguiding and amplifying the light emitted from the fluorescent organic molecules.
Claim 2
Dependent Claim
60 words
An organic optical gain device which comprises an active layer having a film thickness of 1 μm or less, 10% or more by weight of fluorescent organic molecules, and a quantum yield of fluorescence of 0.1 or more, said device being capable of exciting the active layer, and also waveguiding and amplifying the light emitted from the fluorescent organic molecules.
Claim 3
Dependent Claim
19 words
The organic optical gain device according to claim 1, wherein the fluorescent organic molecules are those of stilbene dye.
Claim 4
Dependent Claim
43 words
The organic optical gain device according to claim 1, wherein an excitation part comprising a substrate/a clad layer/an active layer or a substrate/a clad layer/an active layer/a clad layer is contained in said device and the light is waveguided parallel to the substrate.
Claim 5
Dependent Claim
51 words
The organic optical gain device according to claim 1, wherein an excitation part comprising a reflective mirror/an active layer/a reflective mirror is contained in said device, at least one of said reflective mirrors has a refractive index of 99% or more, and the light is waveguided perpendicularly to the reflective mirrors.
Claim 6
Dependent Claim
19 words
The organic optical gain device according to claim 4, wherein the reflective mirror comprises multi-layer film of a dielectric.
Claim 7
Dependent Claim
22 words
A method of exciting an organic optical gain device which comprises stripe excitation of the optical gain device according to claim 1.
Claim 8
Dependent Claim
22 words
A method of exciting an organic optical gain device which comprises spot excitation of the optical gain device according to claim 1.
Claim 9
Dependent Claim
68 words
An organic optical gain device which comprises an active layer having a film thickness of 1 μm or less, comprising a fluorescent polymer containing 10% or more by weight of fluorescent organic molecules dispersed therein, and having a quantum yield of fluorescence of 0.1 or more, said device being capable of exciting the active layer, and also waveguiding and amplifying the light emitted from the fluorescent organic molecules.
Claim 10
Dependent Claim
68 words
An organic optical gain device which comprises an active layer having a film thickness of 1 μm or less, comprising a fluorescent polymer containing 10% or more by weight of fluorescent organic molecules dispersed therein, and having a quantum yield of fluorescence of 0.1 or more, said device being capable of exciting the active layer, and also waveguiding and amplifying the light emitted from the fluorescent organic molecules.
Claim 11
Dependent Claim
19 words
The organic optical gain device according to claim 8, wherein the fluorescent organic molecules are those of stilbene dye.
Claim 12
Dependent Claim
43 words
The organic optical gain device according of claim 8, wherein an excitation part comprising a substrate/a clad layer/an active layer or a substrate/a clad layer/an active layer/a clad layer is contained in said device and the light is waveguided parallel to the substrate.
Claim 13
Dependent Claim
51 words
The organic optical gain device according to claim 8, wherein an excitation part comprising a reflective mirror/an active layer/a reflective mirror is contained in said device, at least one of said reflective mirrors has a refractive index of 99% or more, and the light is waveguided perpendicularly to the reflective mirrors.
Claim 14
Dependent Claim
19 words
The organic optical gain device according to claim 11, wherein the reflective mirror comprises multi-layer film of a dielectric.
Claim 15
Dependent Claim
22 words
A method of exciting an organic optical gain device which comprises stripe excitation of the optical gain device according to claim 8.
Claim 16
Dependent Claim
22 words
A method of exciting an organic optical gain device which comprises spot excitation of the optical gain device according to claim 8.
References Cited (Backward Citations)
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