Class   385	OPTICAL WAVEGUIDES
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TEMPORAL OPTICAL MODULATION WITHIN AN OPTICAL WAVEGUIDE

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. (1 indent ) Electro-optic

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.. (2 indent ) Phase modulation type

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DIRECTIONAL OPTICAL MODULATION WITHIN AN OPTICAL WAVEGUIDE

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. (1 indent ) Light intensity dependent (e.g., nonlinear effects)

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. (1 indent ) Magneto-optic

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. (1 indent ) Acousto-optic

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. (1 indent ) Electro-optic

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.. (2 indent ) Coupling between waveguides

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.. (2 indent ) Diffraction grating (e.g., Bragg)

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POLARIZATION WITHOUT MODULATION

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OPTICAL WAVEGUIDE SENSOR

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. (1 indent ) Including physical deformation or movement of waveguide

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INTEGRATED OPTICAL CIRCUIT

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WITH OPTICAL COUPLER

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. (1 indent ) Switch (i.e., switching from one terminal to another, not modulation)

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.. (2 indent ) Matrix switch (i.e., M X N, where M and N are 3 or more)

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.. (2 indent ) Reflective-type switch

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.. (2 indent ) Stationary waveguides with movable opaque element

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.. (2 indent ) Multiple pole multiple throw

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... (3 indent ) Double pole multiple throw

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.. (2 indent ) Single pole multiple throw (relay switch)

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.. (2 indent ) Single pole single throw

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. (1 indent ) Plural (e.g., data bus)

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. (1 indent ) Movable coupler

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.. (2 indent ) Slip ring

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. (1 indent ) Particular coupling function

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.. (2 indent ) Coupling between modes in a waveguide or fiber

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... (3 indent ) Mode strippers

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.. (2 indent ) Evanescent wave coupling

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. (1 indent ) Input/output coupler

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.. (2 indent ) Coupling light through a waveguide bend or loop

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.. (2 indent ) Lens

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... (3 indent ) Rod type

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... (3 indent ) Spherical

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.. (2 indent ) Prism

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.. (2 indent ) Grating

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.. (2 indent ) End fire

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. (1 indent ) Particular coupling structure

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.. (2 indent ) Electrodes on or near the coupling region

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... (3 indent ) Directional coupler

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.. (2 indent ) Directional coupler

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.. (2 indent ) Tapered coupler

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.. (2 indent ) "T" coupler or duplex coupler

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.. (2 indent ) "Y" coupler

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.. (2 indent ) Star coupler

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.. (2 indent ) Multiport coupler using reflective surface

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.. (2 indent ) Access couplers, power tappers, or power dividers

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.. (2 indent ) Fiber to thin film devices

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.. (2 indent ) Waveguide to waveguide

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. (1 indent ) Permanently fixed coupler

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. (1 indent ) With alignment device

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WITH DISENGAGABLE MECHANICAL CONNECTOR

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. (1 indent ) Structure surrounding optical fiber bundle-to-bundle connection

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. (1 indent ) Structure surrounding optical fiber-to-fiber connection

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.. (2 indent ) Multi-part (e.g., two pieces screwed together or bayonet latched)

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... (3 indent ) Magnetically actuated

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... (3 indent ) With additional structure at or immediately surrounding each optical fiber end face

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.... (4 indent ) Plural fiber-to-fiber connections

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.... (4 indent ) Fiber end held in ferrule

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....• (5 indent ) Lens-shaped ferrule

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....• (5 indent ) Compressively fixed (e.g., chuck, collet, crimp, set screws, etc.)

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....• (5 indent ) Plate-type holding structure (e.g., jewel)

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....• (5 indent ) Plural rods or balls structure

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....• (5 indent ) Groove-type holding structure

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....• (5 indent ) Tube-type holding structure

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....•. (6 indent ) Eccentric arrangement

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....•. (6 indent ) Capillary tubes

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... (3 indent ) With additional structure rearward of fiber joint to secure additional cable layers

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.. (2 indent ) With additional structure at or immediately surrounding each optical fiber end face

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... (3 indent ) Plural fiber-to-fiber connections

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... (3 indent ) Fiber end held in ferrule

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.. (2 indent ) With additional optical element between facing fiber ends

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... (3 indent ) Lens

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.. (2 indent ) With additional nonoptical structure

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. (1 indent ) Optical fiber/optical fiber cable termination structure

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.. (2 indent ) At or immediately surrounding an optical fiber end face

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... (3 indent ) Fiber end held in ferrule

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.... (4 indent ) Lens-shaped ferrule

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.... (4 indent ) Adhesively fixed

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.... (4 indent ) Compressively fixed (chuck, collet, crimp, set screw, etc.)

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.... (4 indent ) Plural rods or balls structure

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.... (4 indent ) Groove-type holding structure

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.... (4 indent ) Tube-type holding structure

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.... (4 indent ) Fiber/ferrule further processed (grinding, polishing, etc.)

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.. (2 indent ) Structure rearward of optical fiber end face to secure additional fiber or cable layers

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... (3 indent ) Having at least one layer compressively fixed (e.g., crimp, tightening screws, etc.)

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. (1 indent ) Optical fiber to a nonfiber optical device connector

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.. (2 indent ) Plural fiber/device connections

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.. (2 indent ) Fiber adjustable relative to device

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... (3 indent ) Fiber permanently fixed after adjustment

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.. (2 indent ) With housing

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... (3 indent ) Including lens

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... (3 indent ) Sealed from environment

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WITH SPLICE (PERMANENT CONNECTION)

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. (1 indent ) Fusion splicing

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. (1 indent ) Alignment of fiber ends prior to splicing

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.. (2 indent ) End-to-end (butt) coupling

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. (1 indent ) Including splice joint reinforcement

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OPTICAL TRANSMISSION CABLE

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. (1 indent ) With electrical conductor in the same cable

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. (1 indent ) Tightly confined (i.e., fiber tightly held inside the outer sheath)

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.. (2 indent ) Having a central strength member

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.. (2 indent ) Particular fiber orientation (e.g., helically wound, etc.)

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.. (2 indent ) Compartmentalized

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.. (2 indent ) Plural unit type (plural complete cables within a single outside sheath)

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.. (2 indent ) With armoring

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... (3 indent ) Prestressed

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. (1 indent ) Loose tube type

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.. (2 indent ) Compartmentalized

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.. (2 indent ) Particular fiber orientation

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.. (2 indent ) Plural unit type

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.. (2 indent ) With strength member

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. (1 indent ) Ribbon cable

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OPTICAL FIBER BUNDLE

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. (1 indent ) Imaging (i.e., with coherent fiber structure and includes shaping, enhancing, and correcting)

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.. (2 indent ) For fiber scope (endoscope)

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... (3 indent ) With manipulator

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.. (2 indent ) With lens or mirror

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. (1 indent ) Fiber bundle plate

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. (1 indent ) Transition between geometric shapes

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HAVING NONLINEAR PROPERTY

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OPTICAL FIBER WAVEGUIDE WITH CLADDING

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. (1 indent ) With graded index core or cladding

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. (1 indent ) Utilizing nonsolid core or cladding

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. (1 indent ) Utilizing multiple core or cladding

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.. (2 indent ) Concentric

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... (3 indent ) Where the second or further layer is a coating

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PLANAR OPTICAL WAVEGUIDE

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. (1 indent ) Thin film optical waveguide

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.. (2 indent ) Multilayer structure (mixture)

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.. (2 indent ) Channel waveguide

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OPTICAL IMAGING TUNNEL

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ACCESSORIES

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. (1 indent ) Splice box and surplus fiber storage/trays/organizers/ carriers

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. (1 indent ) External retainer/clamp

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.. (2 indent ) Fiber holder (i.e., for single fiber or holding multiple single fibers together)

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. (1 indent ) Bushing structure (e.g., penetrator)

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. (1 indent ) Plug/termination device

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. (1 indent ) Attenuator

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HAVING PARTICULAR OPTICAL CHARACTERISTIC MODIFYING CHEMICAL COMPOSITION

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. (1 indent ) Of waveguide core

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.. (2 indent ) Organic

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. (1 indent ) Of waveguide cladding

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.. (2 indent ) Organic

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NONCYCLINDRICAL OR NONPLANAR SHAPED WAVEGUIDE

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MISCELLANEOUS

	CROSS-REFERENCE ART COLLECTIONS

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SOLAR COLLECTOR OR TRANSMITTER

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ILLUMINATING OR DISPLAY APPARATUS

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NONBUNDLE FIBERSCOPE DEVICES

	FOREIGN ART COLLECTIONS

FOR000

CLASS-RELATED FOREIGN DOCUMENTS

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