A surgical laser system includes an array of laser diodes that are configured to output laser energy, a fiber bundle, a delivery fiber, and a tubular sheath. The fiber bundle includes a plurality of optical fibers and has a proximal end that is configured to receive laser energy from the array of laser diodes. The delivery fiber includes a proximal end that is configured to receive laser energy from a distal end of the fiber bundle. The tubular sheath defines a lumen, in which at least a portion of the delivery fiber is disposed. The tubular sheath is insertable into a working channel of an endoscope or a cystoscope. A distal end of the tubular sheath is configured to deliver laser energy discharged from the delivery fiber into a body of a patient.

Described herein are systems with interleaved light sources and methods of their use. In some embodiments, a system includes a plurality of light sources, each of which has a bright phase and a dark phase, the system being arranged and constructed so that, for a first light source and a second light source of the plurality, the bright phase of the first light source occurs during the dark phase of a second light source. The example method may further include providing light from the second light source during a dark phase of the first light source. A first and/or second light source may be a swept source or a broadband source. A first and/or second light source may be a laser.

Some embodiments include a dental laser system with a controller coupled to an electromagnetic energy source, where the controller's graphical user interface enables a user to provide input to control operating parameters of the electromagnetic energy source. In some embodiments, the graphical user interface can render a controller enabling user control of a plurality dental laser system parameters with a single action or input. In some embodiments, the user's interaction with a graphical portion of the controller sufficient to control more than one operational parameter of the dental laser system without a requirement for the user to provide an additional or substantially simultaneous interaction with any other controller or portion of the graphical user interface. Further, the graphical content has a graphic indicative of a mode, an operational status, and/or an operational parameter of the dental laser system that is displayed, updated, or animated by the controller.

Systems and methods for creating multi-spot laser light beams, multiplexing an illumination light and the multi-spot laser light beams, delivering the multiplexed light to a surgical handpiece via a multi-core optical fiber cable, and delivering the multiplexed light onto patient anatomy.

Embodiments of the invention include a compact, lightweight, hand-held laser treatment device that combines the emissions of two separate laser energy sources into a common optical pathway for improved therapeutic effect. In some embodiments, the device includes a housing having separate first and second laser sources disposed within the interior thereof. In some embodiments, the laser energy emissions from the two internal laser sources can be individually or concurrently transmitted to a delivery tip of the device via a laser transmission path also defined within the interior of the housing. In some embodiments, the structural and functional features of the first and second laser sources, in concert with the unique architecture of the laser transmission path, can be configured to provide efficacy and efficiency in the operation of the device within the spatial constraints of the lightweight, hand-held housing thereof.

The present disclosure relates to a multi-core optical fiber cable (MCF). In some embodiments, an MCF comprises a plurality of cores surrounded by a cladding and a coating surrounding the cladding, wherein a refractive index of one or more of the plurality of cores is greater than a refractive index of the cladding. The MCF further comprises a probe comprising a probe tip coupled with a distal end of the MCF and a lens located at a distal end of the probe tip. In some embodiments, the lens is configured to translate laser light from the distal end of the MCF to create a multi-spot pattern of laser beams on a target surface and a distal end of the MCF terminates at an interface with the lens.

There is provided a hair cutting device for cutting hair on a body of a subject, the hair cutting device comprising a light source for generating light at one or more specific wavelengths corresponding to wavelengths absorbed by one or more chromophores in or on hair; a cutting element that comprises an optical waveguide that is coupled at a first end to the light source to receive light, wherein a portion of a sidewall of the optical waveguide forms a cutting face for contacting hair; a light sensor that is coupled to the optical waveguide away from the first end, wherein the light sensor is for measuring the light level in the optical waveguide and for providing an output signal representing the measured light level; and a control unit that is coupled to the light source, and coupled to the light sensor to receive the output signal, wherein the control unit is configured to determine a measure of the amount of input light transmitted across the optical waveguide from the measured light level and an input light level at the first end of the optical waveguide; and to control the power of the light generated by the light source based on the determined measure.

There is provided a cutting assembly for use in a hair cutting device. The cutting assembly comprises an optical waveguide having a sidewall corresponding to a long edge of said optical waveguide. A portion of the sidewall forms a cutting face for contacting hair. The optical waveguide is moveable between a first, retracted position and a second, extended position. During use the cutting edge is arranged to be in contact with the hair in the extended, and not to be in contact with hair in the retracted position. The cutting assembly further comprises a movement mechanism for effecting cyclic movement of the optical waveguide between the retracted position and the extended position. A hair cutting device is also provided.

Embodiments of the invention include a treatment device and corresponding treatment method for laser wound healing, the device and method making use of the simultaneous action of multiple laser types and laser wavelengths which are applied at human tissue. The treatment device generally includes a laser system and a hand-piece which is coupled to the laser system. The hand-piece is designed so that one or multiple laser beams are applied at relatively small spot and at a relatively high power level, and are surrounded by a relatively large spot of another laser beam with a relatively low power level. In a preferred implementation, the hand-piece is adapted to facilitate the emission of first and second laser beams together with a third laser beam which is delivered at a different spatial profile in comparison to the first and second laser beams.

Certain embodiments of the present disclosure provide a thermally robust laser probe assembly. The probe assembly comprises a cannula through which one or more optical fibers extend at least partially for transmitting laser light from a laser source to a target location. The probe assembly also comprises a lens housed in the cannula and a protective component at a distal end of the cannula, wherein the lens is positioned between the one or more optical fibers and the protective component, and wherein the distal end of the cannula is sealed at a sealing location of the probe assembly.