Patent
US 10,067,064OPTICAL FIBER CONTAINING GRAPHENE OXIDE AND REDUCED GRAPHENE OXIDE, AND A METHOD FOR MANUFACTURING A GAS SENSOR CONTAINING THE SAME
Hyoyoung LEE
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,067,064Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic view showing optical fiber formed in accordance with an example embodiment of the present disclosure: (a) optical fiber coated with a …
FIG. 2 shows a process for forming an rGO layer in accordance with an example embodiment of the present disclosure. [0015]
FIG. 3(a) is an XPS spectrum of C 1 s of a GO layer formed in accordance with an example of the present disclosure, which was measured by high-resolution X-ray …
FIG. 4 is a schematic view showing an experimental apparatus for detection of various VOCs by optical fiber in accordance with an example of the present …
FIG. 5(a) is a graph showing adsorption and desorption reaction of a polymer optical fiber (POF) gas sensor coated with a GO layer to a cetone vapor (500 ppb to …
FIG. 6(b) is a graph showing sensing response of each of a POF gas sensor coated with a GO layer and a POF gas sensor coated with a rGO layer to various VOCs …
FIG. 7 is a schematic view showing optical fiber connected to a coupler thereby having two tips in accordance with an experimental example of the present …
FIG. 8(b) is a graph showing sensing response, to VOCs, of a POF gas sensor coated with a GO layer and a POF gas sensor coated with a rGO sensor layer in …
FIG. 9 is a graph showing a gas sensing property of a POF gas sensor in accordance with an example embodiment of the present disclosure at various pHs. 6 [0022]
FIG. 10 is a graph showing sensing properties of a POF gas sensor coated with a GO layer and a POF gas sensor coated with an rGO layer with respect to VOCs in …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A n q as sensor, comprisin g: SVG 14160880.02-16-2018.JDQ₄FYMARXEAPX0.CLM.1.13.949.1399.1050.1432.svg 0.11 0.337 Chemistry Black and white a li g ht source: a photo-detector, and an optical fiber, the optical fiber comprisin g: a core layer; and a cladding layer surrounding the core layer, wherein a graphene oxide layer and a reduced graphene oxide layer are formed in a common cross section of the core layer,and wherein the optical fiber is positioned between the light source and the photodetector; and the g raphene oxide la y er and the reduced g raphene oxide la y er are connected to each other and formed on a cross section of the core la y er of the optical fiber as a sensin g part. Currently amended
The optical fiber of claim 1, wherein the core of the optical fiber comprises one or more materials selected from the group consisting of glass, plastic and polymer. Previously presented
The optical fiber of claim 1, wherein the optical fiber comprises a single-mode or a multi-mode optical fiber. Previously presented
The gas sensor of claim 1 5, wherein the optical fiber further comprises a coupler. Currently amended
The gas sensor of claim 1 5, wherein a target substance is detected by using a variation in a refractive index of surfaces of the graphene oxide layer and the reduced graphene oxide layer, which are formed by being connected to each other and included in the sensing part of the gas sensor, due to an adsorption of a gas or particle. Currently amended
The optical fiber of claim 1, wherein the graphene oxide layer and the reduced graphene oxide layer are connected to each other. Previously presented
The optical fiber of claim 1, wherein an upper half of the common cross section comprises the graphene oxide layer and a lower half of the common cross section comprises the reduced graphene oxide layer. Previously presented
4-5. Canceled
Canceled
The gas sensor of claim 14, wherein the gas sensor is capable of detecting a target substance in a gas or particle state. Currently amended
The gas sensor of claim 15, wherein the gas sensor maintains a high sensitivity under a strong acid environment having a pH of about 2 or less and a base environment having a pH of about or more. Currently amended
The gas sensor of claim 15, wherein the gas sensor maintains a high sensitivity under a high humidity environment with a relative humidity of about 50% or more. Currently amended
11-16. Canceled
Canceled
18-19. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
gas sensor with graphene oxide/reduced graphene oxide optical fiber
Materials described outside the worked examples.
graphene oxide
reduced graphene oxide
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3(a) is an XPS spectrum of C 1 s of a GO layer formed in accordance with an example of the present disclosure, which was measured by high-resolution X-ray …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 450–495 nm | — |
Thickness |
Table 1
22 SVG
As shown in Table 1, it was confirmed that sensitivity intensity of the rGO lay
p. 13
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,067,064Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic view showing optical fiber formed in accordance with an example embodiment of the present disclosure: (a) optical fiber coated with a …
FIG. 2 shows a process for forming an rGO layer in accordance with an example embodiment of the present disclosure. [0015]
FIG. 3(a) is an XPS spectrum of C 1 s of a GO layer formed in accordance with an example of the present disclosure, which was measured by high-resolution X-ray …
FIG. 4 is a schematic view showing an experimental apparatus for detection of various VOCs by optical fiber in accordance with an example of the present …
FIG. 5(a) is a graph showing adsorption and desorption reaction of a polymer optical fiber (POF) gas sensor coated with a GO layer to a cetone vapor (500 ppb to …
FIG. 6(b) is a graph showing sensing response of each of a POF gas sensor coated with a GO layer and a POF gas sensor coated with a rGO layer to various VOCs …
FIG. 7 is a schematic view showing optical fiber connected to a coupler thereby having two tips in accordance with an experimental example of the present …
FIG. 8(b) is a graph showing sensing response, to VOCs, of a POF gas sensor coated with a GO layer and a POF gas sensor coated with a rGO sensor layer in …
FIG. 9 is a graph showing a gas sensing property of a POF gas sensor in accordance with an example embodiment of the present disclosure at various pHs. 6 [0022]
FIG. 10 is a graph showing sensing properties of a POF gas sensor coated with a GO layer and a POF gas sensor coated with an rGO layer with respect to VOCs in …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A n q as sensor, comprisin g: SVG 14160880.02-16-2018.JDQ₄FYMARXEAPX0.CLM.1.13.949.1399.1050.1432.svg 0.11 0.337 Chemistry Black and white a li g ht source: a photo-detector, and an optical fiber, the optical fiber comprisin g: a core layer; and a cladding layer surrounding the core layer, wherein a graphene oxide layer and a reduced graphene oxide layer are formed in a common cross section of the core layer,and wherein the optical fiber is positioned between the light source and the photodetector; and the g raphene oxide la y er and the reduced g raphene oxide la y er are connected to each other and formed on a cross section of the core la y er of the optical fiber as a sensin g part. Currently amended
The optical fiber of claim 1, wherein the core of the optical fiber comprises one or more materials selected from the group consisting of glass, plastic and polymer. Previously presented
The optical fiber of claim 1, wherein the optical fiber comprises a single-mode or a multi-mode optical fiber. Previously presented
The gas sensor of claim 1 5, wherein the optical fiber further comprises a coupler. Currently amended
The gas sensor of claim 1 5, wherein a target substance is detected by using a variation in a refractive index of surfaces of the graphene oxide layer and the reduced graphene oxide layer, which are formed by being connected to each other and included in the sensing part of the gas sensor, due to an adsorption of a gas or particle. Currently amended
The optical fiber of claim 1, wherein the graphene oxide layer and the reduced graphene oxide layer are connected to each other. Previously presented
The optical fiber of claim 1, wherein an upper half of the common cross section comprises the graphene oxide layer and a lower half of the common cross section comprises the reduced graphene oxide layer. Previously presented
4-5. Canceled
Canceled
The gas sensor of claim 14, wherein the gas sensor is capable of detecting a target substance in a gas or particle state. Currently amended
The gas sensor of claim 15, wherein the gas sensor maintains a high sensitivity under a strong acid environment having a pH of about 2 or less and a base environment having a pH of about or more. Currently amended
The gas sensor of claim 15, wherein the gas sensor maintains a high sensitivity under a high humidity environment with a relative humidity of about 50% or more. Currently amended
11-16. Canceled
Canceled
18-19. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
gas sensor with graphene oxide/reduced graphene oxide optical fiber
Materials described outside the worked examples.
graphene oxide
reduced graphene oxide
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3(a) is an XPS spectrum of C 1 s of a GO layer formed in accordance with an example of the present disclosure, which was measured by high-resolution X-ray …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 450–495 nm | — |
Thickness |
Table 1
22 SVG
As shown in Table 1, it was confirmed that sensitivity intensity of the rGO lay
p. 13
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,067,064Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic view showing optical fiber formed in accordance with an example embodiment of the present disclosure: (a) optical fiber coated with a …
FIG. 2 shows a process for forming an rGO layer in accordance with an example embodiment of the present disclosure. [0015]
FIG. 3(a) is an XPS spectrum of C 1 s of a GO layer formed in accordance with an example of the present disclosure, which was measured by high-resolution X-ray …
FIG. 4 is a schematic view showing an experimental apparatus for detection of various VOCs by optical fiber in accordance with an example of the present …
FIG. 5(a) is a graph showing adsorption and desorption reaction of a polymer optical fiber (POF) gas sensor coated with a GO layer to a cetone vapor (500 ppb to …
FIG. 6(b) is a graph showing sensing response of each of a POF gas sensor coated with a GO layer and a POF gas sensor coated with a rGO layer to various VOCs …
FIG. 7 is a schematic view showing optical fiber connected to a coupler thereby having two tips in accordance with an experimental example of the present …
FIG. 8(b) is a graph showing sensing response, to VOCs, of a POF gas sensor coated with a GO layer and a POF gas sensor coated with a rGO sensor layer in …
FIG. 9 is a graph showing a gas sensing property of a POF gas sensor in accordance with an example embodiment of the present disclosure at various pHs. 6 [0022]
FIG. 10 is a graph showing sensing properties of a POF gas sensor coated with a GO layer and a POF gas sensor coated with an rGO layer with respect to VOCs in …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A n q as sensor, comprisin g: SVG 14160880.02-16-2018.JDQ₄FYMARXEAPX0.CLM.1.13.949.1399.1050.1432.svg 0.11 0.337 Chemistry Black and white a li g ht source: a photo-detector, and an optical fiber, the optical fiber comprisin g: a core layer; and a cladding layer surrounding the core layer, wherein a graphene oxide layer and a reduced graphene oxide layer are formed in a common cross section of the core layer,and wherein the optical fiber is positioned between the light source and the photodetector; and the g raphene oxide la y er and the reduced g raphene oxide la y er are connected to each other and formed on a cross section of the core la y er of the optical fiber as a sensin g part. Currently amended
The optical fiber of claim 1, wherein the core of the optical fiber comprises one or more materials selected from the group consisting of glass, plastic and polymer. Previously presented
The optical fiber of claim 1, wherein the optical fiber comprises a single-mode or a multi-mode optical fiber. Previously presented
The gas sensor of claim 1 5, wherein the optical fiber further comprises a coupler. Currently amended
The gas sensor of claim 1 5, wherein a target substance is detected by using a variation in a refractive index of surfaces of the graphene oxide layer and the reduced graphene oxide layer, which are formed by being connected to each other and included in the sensing part of the gas sensor, due to an adsorption of a gas or particle. Currently amended
The optical fiber of claim 1, wherein the graphene oxide layer and the reduced graphene oxide layer are connected to each other. Previously presented
The optical fiber of claim 1, wherein an upper half of the common cross section comprises the graphene oxide layer and a lower half of the common cross section comprises the reduced graphene oxide layer. Previously presented
4-5. Canceled
Canceled
The gas sensor of claim 14, wherein the gas sensor is capable of detecting a target substance in a gas or particle state. Currently amended
The gas sensor of claim 15, wherein the gas sensor maintains a high sensitivity under a strong acid environment having a pH of about 2 or less and a base environment having a pH of about or more. Currently amended
The gas sensor of claim 15, wherein the gas sensor maintains a high sensitivity under a high humidity environment with a relative humidity of about 50% or more. Currently amended
11-16. Canceled
Canceled
18-19. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
gas sensor with graphene oxide/reduced graphene oxide optical fiber
Materials described outside the worked examples.
graphene oxide
reduced graphene oxide
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3(a) is an XPS spectrum of C 1 s of a GO layer formed in accordance with an example of the present disclosure, which was measured by high-resolution X-ray …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 450–495 nm | — |
Thickness |
Table 1
22 SVG
As shown in Table 1, it was confirmed that sensitivity intensity of the rGO lay
p. 13
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,067,064Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic view showing optical fiber formed in accordance with an example embodiment of the present disclosure: (a) optical fiber coated with a …
FIG. 2 shows a process for forming an rGO layer in accordance with an example embodiment of the present disclosure. [0015]
FIG. 3(a) is an XPS spectrum of C 1 s of a GO layer formed in accordance with an example of the present disclosure, which was measured by high-resolution X-ray …
FIG. 4 is a schematic view showing an experimental apparatus for detection of various VOCs by optical fiber in accordance with an example of the present …
FIG. 5(a) is a graph showing adsorption and desorption reaction of a polymer optical fiber (POF) gas sensor coated with a GO layer to a cetone vapor (500 ppb to …
FIG. 6(b) is a graph showing sensing response of each of a POF gas sensor coated with a GO layer and a POF gas sensor coated with a rGO layer to various VOCs …
FIG. 7 is a schematic view showing optical fiber connected to a coupler thereby having two tips in accordance with an experimental example of the present …
FIG. 8(b) is a graph showing sensing response, to VOCs, of a POF gas sensor coated with a GO layer and a POF gas sensor coated with a rGO sensor layer in …
FIG. 9 is a graph showing a gas sensing property of a POF gas sensor in accordance with an example embodiment of the present disclosure at various pHs. 6 [0022]
FIG. 10 is a graph showing sensing properties of a POF gas sensor coated with a GO layer and a POF gas sensor coated with an rGO layer with respect to VOCs in …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A n q as sensor, comprisin g: SVG 14160880.02-16-2018.JDQ₄FYMARXEAPX0.CLM.1.13.949.1399.1050.1432.svg 0.11 0.337 Chemistry Black and white a li g ht source: a photo-detector, and an optical fiber, the optical fiber comprisin g: a core layer; and a cladding layer surrounding the core layer, wherein a graphene oxide layer and a reduced graphene oxide layer are formed in a common cross section of the core layer,and wherein the optical fiber is positioned between the light source and the photodetector; and the g raphene oxide la y er and the reduced g raphene oxide la y er are connected to each other and formed on a cross section of the core la y er of the optical fiber as a sensin g part. Currently amended
The optical fiber of claim 1, wherein the core of the optical fiber comprises one or more materials selected from the group consisting of glass, plastic and polymer. Previously presented
The optical fiber of claim 1, wherein the optical fiber comprises a single-mode or a multi-mode optical fiber. Previously presented
The gas sensor of claim 1 5, wherein the optical fiber further comprises a coupler. Currently amended
The gas sensor of claim 1 5, wherein a target substance is detected by using a variation in a refractive index of surfaces of the graphene oxide layer and the reduced graphene oxide layer, which are formed by being connected to each other and included in the sensing part of the gas sensor, due to an adsorption of a gas or particle. Currently amended
The optical fiber of claim 1, wherein the graphene oxide layer and the reduced graphene oxide layer are connected to each other. Previously presented
The optical fiber of claim 1, wherein an upper half of the common cross section comprises the graphene oxide layer and a lower half of the common cross section comprises the reduced graphene oxide layer. Previously presented
4-5. Canceled
Canceled
The gas sensor of claim 14, wherein the gas sensor is capable of detecting a target substance in a gas or particle state. Currently amended
The gas sensor of claim 15, wherein the gas sensor maintains a high sensitivity under a strong acid environment having a pH of about 2 or less and a base environment having a pH of about or more. Currently amended
The gas sensor of claim 15, wherein the gas sensor maintains a high sensitivity under a high humidity environment with a relative humidity of about 50% or more. Currently amended
11-16. Canceled
Canceled
18-19. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
gas sensor with graphene oxide/reduced graphene oxide optical fiber
Materials described outside the worked examples.
graphene oxide
reduced graphene oxide
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3(a) is an XPS spectrum of C 1 s of a GO layer formed in accordance with an example of the present disclosure, which was measured by high-resolution X-ray …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 450–495 nm | — |
Thickness |
Table 1
22 SVG
As shown in Table 1, it was confirmed that sensitivity intensity of the rGO lay
p. 13
Related documents with shared materials, methods, properties, or citations.
glass, plastic or polymer
FIG. 3(a) is an XPS spectrum of C 1 s of a GO layer formed in accordance with an example of the present disclosure, which was measured by high-resolution X-ray …
FIG. 3(a) is an XPS spectrum of C 1 s of a GO layer formed in accordance with an example of the present disclosure, which was measured by high-resolution X-ray …
FIG. 5(a) is a graph showing adsorption and desorption reaction of a polymer optical fiber (POF) gas sensor coated with a GO layer to a cetone vapor (500 ppb to …
FIG. 6(b) is a graph showing sensing response of each of a POF gas sensor coated with a GO layer and a POF gas sensor coated with a rGO layer to various VOCs …
FIG. 8(b) is a graph showing sensing response, to VOCs, of a POF gas sensor coated with a GO layer and a POF gas sensor coated with a rGO sensor layer in …
FIG. 9 is a graph showing a gas sensing property of a POF gas sensor in accordance with an example embodiment of the present disclosure at various pHs. 6 [0022]
FIG. 10 is a graph showing sensing properties of a POF gas sensor coated with a GO layer and a POF gas sensor coated with an rGO layer with respect to VOCs in …
| — |
Thickness | 1–106 nm | — |
glass, plastic or polymer
FIG. 3(a) is an XPS spectrum of C 1 s of a GO layer formed in accordance with an example of the present disclosure, which was measured by high-resolution X-ray …
FIG. 3(a) is an XPS spectrum of C 1 s of a GO layer formed in accordance with an example of the present disclosure, which was measured by high-resolution X-ray …
FIG. 5(a) is a graph showing adsorption and desorption reaction of a polymer optical fiber (POF) gas sensor coated with a GO layer to a cetone vapor (500 ppb to …
FIG. 6(b) is a graph showing sensing response of each of a POF gas sensor coated with a GO layer and a POF gas sensor coated with a rGO layer to various VOCs …
FIG. 8(b) is a graph showing sensing response, to VOCs, of a POF gas sensor coated with a GO layer and a POF gas sensor coated with a rGO sensor layer in …
FIG. 9 is a graph showing a gas sensing property of a POF gas sensor in accordance with an example embodiment of the present disclosure at various pHs. 6 [0022]
FIG. 10 is a graph showing sensing properties of a POF gas sensor coated with a GO layer and a POF gas sensor coated with an rGO layer with respect to VOCs in …
| — |
Thickness | 1–106 nm | — |
glass, plastic or polymer
FIG. 3(a) is an XPS spectrum of C 1 s of a GO layer formed in accordance with an example of the present disclosure, which was measured by high-resolution X-ray …
FIG. 3(a) is an XPS spectrum of C 1 s of a GO layer formed in accordance with an example of the present disclosure, which was measured by high-resolution X-ray …
FIG. 5(a) is a graph showing adsorption and desorption reaction of a polymer optical fiber (POF) gas sensor coated with a GO layer to a cetone vapor (500 ppb to …
FIG. 6(b) is a graph showing sensing response of each of a POF gas sensor coated with a GO layer and a POF gas sensor coated with a rGO layer to various VOCs …
FIG. 8(b) is a graph showing sensing response, to VOCs, of a POF gas sensor coated with a GO layer and a POF gas sensor coated with a rGO sensor layer in …
FIG. 9 is a graph showing a gas sensing property of a POF gas sensor in accordance with an example embodiment of the present disclosure at various pHs. 6 [0022]
FIG. 10 is a graph showing sensing properties of a POF gas sensor coated with a GO layer and a POF gas sensor coated with an rGO layer with respect to VOCs in …
| — |
Thickness | 1–106 nm | — |
glass, plastic or polymer
FIG. 3(a) is an XPS spectrum of C 1 s of a GO layer formed in accordance with an example of the present disclosure, which was measured by high-resolution X-ray …
FIG. 3(a) is an XPS spectrum of C 1 s of a GO layer formed in accordance with an example of the present disclosure, which was measured by high-resolution X-ray …
FIG. 5(a) is a graph showing adsorption and desorption reaction of a polymer optical fiber (POF) gas sensor coated with a GO layer to a cetone vapor (500 ppb to …
FIG. 6(b) is a graph showing sensing response of each of a POF gas sensor coated with a GO layer and a POF gas sensor coated with a rGO layer to various VOCs …
FIG. 8(b) is a graph showing sensing response, to VOCs, of a POF gas sensor coated with a GO layer and a POF gas sensor coated with a rGO sensor layer in …
FIG. 9 is a graph showing a gas sensing property of a POF gas sensor in accordance with an example embodiment of the present disclosure at various pHs. 6 [0022]
FIG. 10 is a graph showing sensing properties of a POF gas sensor coated with a GO layer and a POF gas sensor coated with an rGO layer with respect to VOCs in …
| — |
Thickness | 1–106 nm | — |