[특허]Optofluidic apparatus, method, and application

Cornell University

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Optofluidic apparatus, method, and application

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G02B-006/26 G01N-021/77 G02B-006/35 G02B-006/032
미국특허분류(USC)	385/022; 385/135
출원번호	US-0504297 (2010-10-27)
등록번호	US-8861904 (2014-10-14)
국제출원번호	PCT/US2010/054231 (2010-10-27)
§371/§102 date	20120516 (20120516)
국제공개번호	WO2011/053626 (2011-05-05)
발명자 / 주소	Erickson, David Chung, Aram J. Jung, Erica E.
출원인 / 주소	Cornell University
대리인 / 주소	Greener, William
인용정보	피인용 횟수 : 0 인용 특허 : 10

초록
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A reconfigurable optofluidic apparatus includes a microfluidic chip including a microfluidic channel further including an inlet for a liquid core waveguide fluid; a channel pathway for the liquid core waveguide fluid; a plurality of non-core waveguide fluid inlets; a switching chamber having a larger cross sectional area than the channel pathway; and an outlet for the liquid core waveguide fluid and non-core waveguide fluid, further including a plurality of non-liquid core waveguides disposed in the switching chamber. Light input to the apparatus propagates in the liquid core/liquid cladding (liquid) waveguide. The path of the liquid waveguide can be steered in a region of the apparatus over one of the non-liquid core waveguides such that the light is end-fire- or evanescently-coupled into the non-liquid core waveguide and output therefrom or between two of the non-liquid core waveguides and not coupled or output. Associated optofluidic switching methods are disclosed.

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1. A reconfigurable optofluidic apparatus, comprising: a microfluidic chip including a microfluidic channel disposed therein, wherein the microfluidic channel includes: an inlet for a liquid core waveguide fluida channel pathway for the liquid core waveguide fluid;a plurality of non-core waveguide fluid inlets;a switching chamber, wherein the switching chamber has a cross sectional area that is greater than a corresponding cross sectional area of the channel pathway; andan outlet for the liquid core waveguide fluid and the non-core-fluid;a plurality of non-liquid core waveguides disposed at least in part in the switching chamber; anda light input port. 2. The apparatus of claim 1, wherein the plurality of non-liquid core waveguides are solid core waveguides disposed in a parallel spaced relationship. 3. The apparatus of claim 1, wherein the plurality of non-liquid core waveguides includes at least a portion of at least one of a waveguide, an optical ring resonator, an interferometer, a photonic crystal, and a photonic crystal resonator. 4. The apparatus of claim 1, wherein the liquid core waveguide fluid comprises a cladding fluid having an index of refraction that is lower than the index of refraction of the core fluid. 5. The apparatus of claim 1, wherein the plurality of non-core-fluid inlets further comprises a plurality of liquid waveguide core-focusing channels and a plurality of liquid core waveguide steering channels. 6. The apparatus of claim 1, wherein the plurality of non-liquid core waveguides includes a plurality of optical ring resonators having at least two different ring sizes. 7. The apparatus of claim 1, wherein the apparatus is a 1×n optical switch. 8. The apparatus of claim 1, wherein the microfluidic component further includes a second microfluidic channel that further includes: a second inlet for the liquid core waveguide fluida second channel pathway for the liquid core waveguide fluid; anda second plurality of non-core-fluid inlets,wherein the second microfluidic channel is in fluid connection with the switching chamber. 9. The apparatus of claim 8, wherein the apparatus is an optical logic circuit. 10. The apparatus of claim 1, further comprising: a self-contained, fluid recirculation system integrated in the apparatus, including: a reservoir in fluid connection with the microfluidic channel;a fluid recirculation channel in fluid connection with the reservoir; anda microfluidic pumping system. 11. The apparatus of claim 10, wherein the microfluidic chip is in the form of a first layer of the apparatus and includes the reservoir, further wherein the fluid recirculation channel is disposed on a second layer of the apparatus, and further wherein the microfluidic pumping system is disposed on a third layer of the apparatus. 12. The apparatus of claim 10, further comprising a liquid core waveguide fluid and a non-core waveguide fluid, which are immiscible. 13. The apparatus of claim 12, wherein the liquid core waveguide fluid is water and the non-core waveguide fluid is Flourinert oil. 14. An optofluidic switching method, comprising: inputting light into a core of a liquid core waveguide having a given propagation pathway that includes a steerable region;propagating the light in the liquid core waveguide;coupling at least a portion of the light from the liquid core waveguide into a non-liquid core waveguide having a portion disposed in coupling proximity to the steerable region of the liquid core waveguide, wherein coupling includes at east one of end-fire coupling and evanescent coupling;providing at least another one non-liquid core waveguide in a different coupling proximity to the steerable region of the liquid core waveguide;steering the steerable region of the liquid core waveguide to at least one of a pathway that is not in coupling proximity to the non-liquid core waveguide or at least another one non-liquid core waveguide and that is in coupling proximity to the at least another one non-liquid core waveguide; andrespectively, not coupling the light from the liquid core waveguide to either of the non-liquid core waveguide or the at least another one of the non-liquid core waveguide or, coupling at least a portion of the light from the steerable region of the liquid core waveguide into the at least another one of the non-liquid core waveguide. 15. The method of claim 14, wherein the non-liquid core waveguide is a planar device including at least one of a waveguide, an optical ring resonator, an interferometer, a photonic crystal, and a photonic crystal resonator. 16. The method of claim 14, wherein the step of inputting light comprises inputting light from a solid core waveguide. 17. The method of claim 14, wherein the at least another one non-liquid core waveguide is a planar device including at least one of a waveguide, an optical ring resonator, an interferometer, a photonic crystal, and a photonic crystal resonator. 18. The method of claim 14, wherein the non-liquid core waveguide and the at least another one non-liquid core waveguide comprises a plurality of solid-core optical waveguides. 19. The method of claim 14, wherein the pathway of the steerable region comprises a channel of a microfluidic device in which at least a portion of the non-liquid core waveguide is disposed. 20. The method of claim 14, wherein the pathway of the steerable region comprises a channel of a microfluidic device in which at least a portion of the non-liquid core waveguide and at least a portion of the at least another one non-liquid core waveguide are disposed. 21. The method of claim 14, wherein steering the steerable region of the liquid core waveguide comprises controllably directing a fluid stream having an index of refraction lower than the index of refraction of the liquid core against the steerable region of the liquid core waveguide. 22. The method of claim 14, further comprising inputting light in a wavelength region between about 320 nanometers (nm) to about 1610 nm. 23. An optofluidic switching method, comprising: inputting light into a core of a liquid core waveguide having a given propagation pathway that includes a steerable region;propagating the light in the liquid core waveguide;providing at least a portion of a non-liquid core waveguide in coupling proximity to the steerable region of the liquid core waveguide;coupling at least a portion of the light from the steerable region of the liquid core waveguide into the non-liquid core waveguide;providing at least a portion of at least another one non-liquid core waveguide in a coupling proximity of the steerable region of the liquid core waveguide;steering the steerable region of the liquid core waveguide to at least one of a pathway that is not in coupling proximity to the non-liquid core waveguide or the at least another one non-liquid core waveguide and that is in coupling proximity to the at least another one non-liquid core waveguide; and,respectively, not coupling the light from the liquid core waveguide to either of the non-liquid core waveguide or the at least another one of the non-liquid core waveguide or, coupling at least a portion of the light from the liquid core waveguide into the at least another one of the non-liquid core waveguide. 24. The method of claim 23, wherein coupling includes at least one of end-fire coupling and evanescent coupling. 25. The method of claim 23, wherein the non-liquid core waveguide is a planar device including at least one of a waveguide, an optical ring resonator, an interferometer, a photonic crystal, and a photonic crystal resonator. 26. The method of claim 23, wherein the step of inputting light comprises inputting light from a solid core waveguide. 27. The method of claim 23, wherein the non-liquid core waveguide and the at least another one non-liquid core waveguide comprises a plurality of solid-core optical waveguides. 28. The method of claim 23, wherein the pathway of the steerable region comprises a channel of a microfluidic device in which at least a portion of the non-liquid core waveguide is disposed. 29. The method of claim 23, wherein the pathway of the steerable region comprises a channel of a microfluidic device in which at least a portion of the non-liquid core waveguide and at least a portion of the at least another one non-liquid core waveguide are disposed. 30. The method of claim 23, wherein steering the steerable region of the liquid core waveguide comprises controllably directing a fluid stream having an index of refraction lower than the index of refraction of the liquid core against the steerable region of the liquid core waveguide. 31. The method of claim 23, further comprising inputting light in a wavelength region between about 320 nm to about 1610 nm.

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Optofluidic apparatus, method, and application

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Optofluidic apparatus, method, and application

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