Patent
Method of creating an index grating in an optical fiber and a mode converter using the index grating
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TLDR
In this article, a method of creating an index grating in an optical fiber comprising disposing a slit mask containing one or more slits over a side of an optical fibre, illuminating the fiber through the slit mask by substantially monochromatic ultraviolet light for a short interval, whereby a grating line is created and stored in the core of the fiber.Abstract:
This invention relates to a method of creating an index grating in an optical fiber comprising disposing a slit mask containing one or more slits over a side of an optical fiber, illuminating the fiber through the slit mask by substantially monochromatic ultraviolet light for a short interval, whereby an index grating line is created and stored in the core of the fiber.read more
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Patent
Method of fabricating Bragg gratings using a silica glass phase grating mask and mask used by same
TL;DR: An index grating is imprinted in the core of an optical fiber using a specially designed silica glass phase grating mask The phase mask is held in close proximity to the optical fiber.
Patent
Method and apparatus for drug product tracking using encoded optical identification elements
TL;DR: In this paper, a method and apparatus for drug product tracking (or other pharmaceutical, health care or cosmetics products, and/or the packages or containers they are supplied with) using diffraction grating-based encoded optical identification elements (8) includes an optical substrate (10) having at least one diffraction GRating (12) disposed therein.
Patent
Diffraction grating-based encoded micro-particles for multiplexed experiments
John A. Moon,Martin A. Putnam +1 more
TL;DR: In this article, the microparticles are functionalized by coating them with a material/substance of interest, which are then used to perform multiplexed experiments involving chemical processes, e.g., DNA testing and combinatorial chemistry.
Patent
Method and apparatus for aligning microbeads in order to interrogate the same
TL;DR: In this article, a method and apparatus are provided for aligning optical elements or microbeads, wherein each micro bead has an elongated body with a code embedded therein along a longitudinal axis thereof to be read by a code reading device.
Patent
Wavelength selective optical couplers
TL;DR: In this article, a wavelength selective optical fiber coupler having various applications in the field of optical communications is disclosed, which can be used to combine or multiplex a plurality of lasers operating at slightly different wavelengths into a single fiber.
References
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Patent
Method for impressing grating within fiber optics.
TL;DR: In this article, a dielectric periodic index of refraction phase grating was established upon the core of an optical waveguide by intense angled application of several tranverse beams of ultraviolet light, enabling the establishment of a distributed, spatially resolving optical fiber strain gauge.
Patent
Broadband tunable in-line filter for fiber optics
TL;DR: In this article, a broadband tunable in-fiber filter includes a grating with divergent ridges which can be translated transversely of a side-polished optical fiber to vary the periodicity at an exposed evanescent field.
Patent
Mode scrambler with non-invasive fabrication in an optical fiber's cladding
TL;DR: In this article, a mode scrambling arrangement for a multimode optical fiber by irradiating the cladding using an ultra-violet light to change the index of refraction was proposed.
Patent
Optical system for aligning two patterns and photo-repeater using such a system
TL;DR: In this article, an optical system for photo-repetition is proposed, in which a first pattern formed by two optical networks, disposed along two coordinate axes is illuminated by the image of a second pattern comprising two optical network, forming a reference produced from the orders of diffraction.