# US 9,395,241 B1 · Self-aligned spectrometer > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,395,241 B1 - Document ID: US9395241B1 - Status: Granted - Kind: B1 - Application number: 14/850,137 - Filed: 2015-09-10 - Granted: 2016-07-19 - Earliest claimed: 2015-02-17 - Assignees: Bbb Inc. - Applicants: Bbb Inc. - Inventors: Jaekyu Choi - Web page: https://patentgrep.com/patent/US9395241B1 ## CPC - G01J 3/0208: {using focussing or collimating elements, e.g. lenses or mirrors; performing aberration correction} - G01J 3/0205: {Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows} - G01J 3/0259: {Monolithic} - G01J 3/1804: {Plane gratings} - G01J 3/42: Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry (beam switching arrangements G01J3/08) - G01N 21/0303: {Optical path conditioning in cuvettes, e.g. windows; adapted optical elements or systems; path modifying or adjustment (G01N21/031 - G01N21/15 take precedence)} - G01N 21/05: Flow-through cuvettes (G01N21/09 takes precedence; handling fluid samples G01N1/10) - G01N 21/85: Investigating moving fluids or granular solids - G01J: MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY (light sources F21, H01J, H01K, H05B; investigating properties of materials by optical means G01N) - G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q) ## Abstract The present disclosure relates to a self-aligned spectrometer according to claim 1, comprising: a fixing device composed of light-transmittable materials, and which includes an air lens placed within the fixing device, and an optical waveguide of which at least a partial part is inserted and fixed in place within the fixing device through the first face of the fixing device. ## Claims ### Claim 1 A self-aligned spectrometer comprising: a fixing device composed of light-transmittable materials, and which comprises an air lens placed within the fixing device; an optical waveguide of which at least a partial part is inserted and fixed in place within the fixing device through the first face of the fixing device; and a spectral mirror placed on the second face of the fixing device that faces the first face, and reflects the incident light by dispersing the incident light, wherein the air lens composed of multiple air lenses, and at least a part of the air lens is placed within the fixing device to induce the light to the spectral mirror, wherein the fixing device further comprises a groove formed on the second face, and the spectral mirror comprises a reflecting mirror placed on the second face to cover the groove and an air prism formed according to the groove. ### Claim 2 A self-aligned spectrometer comprising: a fixing device composed of light-transmittable materials, and which comprises an air lens placed within the fixing device; an optical waveguide of which at least a partial part is inserted and fixed in place within the fixing device through the first face of the fixing device; and a flow-cell, enabling a sample to flow through, that is placed and fixed in place within the fixing device, wherein the flow-cell is placed between the optical waveguide and the air lens. ### Claim 3 A self-aligned spectrometer comprising: a fixing device composed of light-transmittable materials, and which comprises an air lens placed within the fixing device; an optical waveguide of which at least a partial part is inserted and fixed in place within the fixing device through the first face of the fixing device; a flow-cell, enabling a sample to flow through, that is placed and fixed in place within the fixing device and comprises a first base extended to a first direction and a second base extended to a second direction which is different from the first direction; a first focusing mirror that is formed on the second face of the fixing device that faces the first face and reflects the incident light by focusing the incident light; and a second focusing mirror separated from the optical waveguide, that is formed on the first face and reflects the incident light by focusing the incident light, wherein the first base is placed between the optical waveguide and the first focusing mirror, and the second base is placed between the first focusing mirror and the second focusing mirror. ### Claim 4 (depends on 1) A self-aligned spectrometer according to claim 1, wherein the fixing device comprises a photoresist. ### Claim 5 (depends on 2) A self-aligned spectrometer according to claim 2, wherein the fixing device comprises a photoresist. ### Claim 6 (depends on 3) A self-aligned spectrometer according to claim 3, wherein the fixing device comprises a photoresist. ### Claim 7 (depends on 2) A self-aligned spectrometer according to claim 2, further comprising a spectral mirror placed on the second face of the fixing device that faces the first face, wherein the spectral mirror reflects the incident light by dispersing the incident light, wherein the air lens composed of multiple air lenses, and at least a part of the air lens is placed within the fixing device to induce the light to the spectral mirror. ### Claim 8 (depends on 3) A self-aligned spectrometer according to claim 3, further comprises a spectral mirror placed on the second face of the fixing device that faces the first face, wherein the spectral mirror reflects the incident light from the second focusing mirror by dispersing the incident light from the second focusing mirror, wherein the air lens composed of multiple air lenses, and at least a part of the air lens is placed within the fixing device to induce the light to the spectral mirror. ### Claim 9 (depends on 7) A self-aligned spectrometer according to claim 7, wherein the fixing device further comprises a diffraction grating pattern placed on the second face, and the spectral mirror is placed on the diffraction grating pattern. ### Claim 10 (depends on 8) A self-aligned spectrometer according to claim 8, wherein the fixing device further comprises a diffraction grating pattern placed on the second face, and the spectral mirror is placed on the diffraction grating pattern. ### Claim 11 (depends on 7) A self-aligned spectrometer structure according to claim 7, further comprising an imaging sensor separated from an optical waveguide and placed on the first face, wherein another part of the air lens is placed within the fixing device to induce the light that is reflected from the spectral mirror to the imaging sensor. ### Claim 12 (depends on 8) A self-aligned spectrometer structure according to claim 8, further comprising an imaging sensor separated from an optical waveguide and placed on the first face, wherein another part of the air lens is placed within the fixing device to induce the light that is reflected from the spectral mirror to the imaging sensor.