A fiber optic temperature probe is disclosed. The fiber optic temperature probe includes a probe shaft containing an optical fiber. An optical temperature sensor element is coupled to the probe shaft and configured to be excited by light from the optical fiber and emit light back to the optical fiber. A thermally conductive plate is coupled to the probe shaft and interfaces with the optical temperature sensor element. Baffling extends from the probe shaft and surrounds the edges of the thermally conductive plate.

An in-fiber beam scanning system may comprise an input fiber to provide a beam, a feeding fiber comprising an imaging bundle with multiple cores embedded in a first cladding that is surrounded by a second cladding, and an in-fiber beam shifter that comprises a first multibend beam shifter coupled to the input fiber, a graded index fiber following the first multibend beam shifter, and a second multibend beam shifter following the graded index fiber and coupling into the feeding fiber. In some implementations, the first multibend beam shifter is actuated by a first amount and the second multibend beam shifter is actuated by a second amount to shift the beam in two dimensions and deliver the beam into one or more target cores in the imaging bundle.

An optical fiber connector has a lens component and a fiber component. The lens component has at least one lens and an opening with at least one V-groove therein. The at least one lens is associated with the at least one V-groove. The fiber component is configured to be partially inserted into the lens component and has at least one bare fiber flexible retention feature configured to retain a fiber of a fiber optic cable within the at least one V-groove and also to align the fiber with the lens.

A method and device for emitting electromagnetic radiation at high power using nonpolar or semipolar gallium containing substrates such as GaN, AlN, InN, InGaN, AlGaN, and AlInGaN, is provided. In various embodiments, the laser device includes plural laser emitters emitting green or blue laser light, integrated a substrate.

A method and device for emitting electromagnetic radiation at high power using nonpolar or semipolar gallium containing substrates such as GaN, AlN, InN, InGaN, AlGaN, and AlInGaN, is provided. In various embodiments, the laser device includes plural laser emitters emitting green or blue laser light, integrated a substrate.

A method of aligning a first and a second structure, the first structure comprising one or more first surface relief features and a channel system communicating with a surface of the first structure at one or more of the first surface relief features, the second structure comprising one or more second surface relief features shaped complementarily to the first surface relief features; the method comprising: generating suction in the channel system to draw the first and second structures together in a drawing direction; wherein, when the first and second structures are drawn together, the interaction between one or more of the first surface relief features and one or more of the second surface relief features aligns the structures in a plane perpendicular to the drawing direction such that the first and second surface relief features mate.

An optical fiber connecting component includes a glass plate having a plurality of first through holes, a resin ferrule fixed to the glass plate and having a plurality of second through holes that are each coaxial with corresponding one of the plurality of first through holes, and a plurality of optical fibers including a glass fiber and a resin coating that covers the glass fiber. The glass fiber exposed from a tip of each of the optical fibers is held in corresponding one of the first through holes and corresponding one of the second through holes, and a material for the resin ferrule has a flexural modulus of 5 GPa or more at 200° C.

The disclosure relates to an optical connection device reducing a connection loss between an SCF and an MCF. The optical connection device includes plural relay fibers and a capillary having third and fourth end faces. Each relay fiber includes a first core of Δ1, a second core of Δ2, and a cladding of Δ3. The capillary includes a tapered portion with an outer diameter ratio R of the fourth end face to the third end face of 0.2 or less. In each relay fiber, a value of Formula (V2−V1)/R falls within a range from 156% μm.sup.2 to 177% μm.sup.2, V1 (% μm.sup.2) is given by (π.Math.r1.sub.b.sup.2)×(Δ1−Δ2) by using a radius r1.sub.b (μm) of the first core, and V2 (% μm.sup.2) is given by (π.Math.r2.sub.b.sup.2)×(Δ1−Δ2) by using a radius r2.sub.b (μm) of the second core.

Disclosed are methods of providing a hermetically sealed optical connection between an optical fiber and an optical element of a chip and a photonic-integrated chip manufactured using such methods.

A process for terminating an optical fiber with a ferrule includes the steps of: (a) providing an optical fiber and ferrule with an end of the optical fiber extending beyond a surface of the ferrule; and (b) directing a jet comprising an air-abrasive mixture at the end of the optical fiber to cleave the end of the optical fiber from the remainder of the optical fiber.