1276 results about "Ultraviolet light" patented technology

An ultraviolet laser apparatus having a single-wavelength oscillating laser generating laser light between an infrared band and a visible band, an optical amplifier for amplifying the laser light, and a wavelength converting portion converting the amplified laser light into ultraviolet light using a non-linear optical crystal. An exposure apparatus transfers a pattern image of a mask onto a substrate and includes a light source having a laser apparatus emitting laser light having a single wavelength, a first fiber optical amplifier for amplifying the laser light, a light dividing device for dividing or branching the amplified laser light into plural lights, and second fiber optical amplifiers for amplifying the plural divided or branched lights, respectively, and a transmission optical system for transmitting the laser light emitted from the light source to the exposure apparatus.

A resection device includes an elongated probe shaft and a tissue resection member disposed at a distal end of the elongated probe shaft. The tissue resection member has a cutting surface configured for being placed in contact with tissue. In one aspect of the invention, at least one ejection port is located adjacent to the cutting surface of the tissue resection member, wherein the at least one ejection port is coupled to a source of a polymerizable hemostasis-promoting material that is delivered to the resection site of interest. In certain embodiments, polymerization of the hemostasis-promoting material may be accelerated by application of heat, radiofrequency energy, or ultra violet light.

Methods of making a silicon oxide layer on a substrate are described. The methods may include forming the silicon oxide layer on the substrate in a reaction chamber by reacting an atomic oxygen precursor and a silicon precursor and depositing reaction products on the substrate. The atomic oxygen precursor is generated outside the reaction chamber. The methods also include heating the silicon oxide layer at a temperature of about 600° C. or less, and exposing the silicon oxide layer to an induced coupled plasma. Additional methods are described where the deposited silicon oxide layer is cured by exposing the layer to ultra-violet light, and also exposing the layer to an induced coupled plasma.

Systems, methods and structures for combining virtual reality and real-time environment by combining captured real-time video data and real-time 3D environment renderings to create a fused, that is, combined environment, including capturing video imagery in RGB or HSV/HSV color coordinate systems and processing it to determine which areas should be made transparent, or have other color modifications made, based on sensed cultural features, electromagnetic spectrum values, and/or sensor line-of-sight, wherein the sensed features can also include electromagnetic radiation characteristics such as color, infra-red, ultra-violet light values, cultural features can include patterns of these characteristics, such as object recognition using edge detection, and whereby the processed image is then overlaid on, and fused into a 3D environment to combine the two data sources into a single scene to thereby create an effect whereby a user can look through predesignated areas or “windows” in the video image to see into a 3D simulated world, and/or see other enhanced or reprocessed features of the captured image.

A modular water treatment and purification system, suitable for home use, is connected to a water supply and contains a closed fluid treatment circuit extending to a water outlet. The closed fluid circuit flows through a plurality of replaceable water treatment modules each having a specific water treatment function, such as the removal of a particular material from the water by the use of filtration, carbon adsorption, ion exchange or the addition of a chemical to balance the desired water conditions. Preferably the circuit also includes traversing a radiation device, for example an ultra violet light, for the purpose of sanitizing the water.

In an EUV light source apparatus, a collector mirror is protected from debris damaging a mirror coating. The EUV light source apparatus includes: a chamber in which extreme ultraviolet light is generated; a target supply unit for supplying a target material into the chamber; a plasma generation laser unit for irradiating the target material within the chamber with a plasma generation laser beam to generate plasma; an ionization laser unit for irradiating neutral particles produced at plasma generation with an ionization laser beam to convert the neutral particles into ions; a collector mirror for collecting the extreme ultraviolet light radiated from the plasma; and a magnetic field or electric field forming unit for forming a magnetic field or an electric field within the chamber so as to trap the ions.

A system for conducting a polymerase chain reaction (PCR) assay upon a collection of samples is disclosed. The PCR assay is performed by absorption detection. The system includes a multi-well plate which is adapted to retain a collection of sample wells. This system includes a thermal cycler for the multi-well plate. The system additionally includes a collection of photodetectors, and a corresponding number of light sources. The light sources are positioned such that light emitted from each of the respective light sources passes through a corresponding well retained in the multi-well plate and to a corresponding photodetector. The system also includes a processor or other means for analyzing the output signals from the photodetectors. In certain versions of the system, ultra-violet light is used.

Using inhomogeneous sized liquid crystal (LC) droplets for lens and prisms. For forming a positive lens, the LC droplet size can gradually increase from the center to the side edges. For forming a negative lens, the LC droplet size can gradually decrease from the center to the side edges. The lens can be created by Ultra Violet light exposure to patterns. The lens can be tuned by applying voltage to the droplets. The inhomogeneous droplets can also be used in Fresnel lens and prisms. Applications of the invention can be used for eyeglasses, arrays, camera type zoom lenses and beam steering applications.

An extreme ultraviolet light source apparatus using a spectrum purity filter capable of obtaining EUV light with high spectrum purity. The apparatus includes a chamber; a target supply unit for supplying a target material; a driver laser using a laser gas containing a carbon dioxide gas as a laser medium, for applying a laser beam to the target material to generate plasma; a collector mirror for collecting and outputting the extreme ultraviolet light radiated from the plasma; and a spectrum purity filter provided in an optical path of the extreme ultraviolet light, for transmitting the extreme ultraviolet light and reflecting the laser beam, the spectrum purity filter including a mesh having electrical conductivity and formed with an arrangement of apertures having a pitch not larger than a half of a shortest wavelength of the laser beam applied by the driver laser.

Methods and systems for inspecting a specimen are provided. One method includes directing ultraviolet light to a specimen. The method also includes detecting light scattered from the specimen having a selected wavelength range. In addition, the method includes detecting features, defects, or light scattering properties of the specimen using signals representative of the detected light. One inspection system includes an illumination subsystem configured to direct ultraviolet light to a specimen. The system also includes a channel configured to detect light scattered from the specimen having a selected wavelength range. In addition, the system includes a processor configured to detect features, defects, or light scattering properties of the specimen using signals that are representative of the detected light.

A device is disclosed for trapping mosquitoes. The device includes a housing, a bag and a fan located in the housing. The fan creates capture zone with an air flow towards the bag. A plurality of light sources attract mosquitoes to the capture zone. The light sources include an ultraviolet light, a plurality of light emitting diodes, and an incandescent light. A heat source also attracts the mosquitoes to the capture zone.

A pet water dispenser having a system of water pumps to circulate water, a water bowl containing a temperature sensor to determine the temperature of the water in the bowl, an ultra violet light and a filter to purify and clean the circulating water, an in-line water heater and a thermoelectric cooling plate to keep the water at a desired temperature, water jets inside the bowl to spray water against the inside of the bowl to clean hair and debris from the bowl, a rotating drain disc in the bowl which periodically opens to permit emptying of old water from the water bowl and closes to permit filling of the bowl with fresh water, a digital controller to permit a pet owner to control the operation of the dispenser and the temperature of the water presented in the bowl to the pet.

A system for sanitizing an enclosed structure comprises a first sensor, a second sensor, a third sensor, a germicidal ultraviolet light source, a motor, and a controller. The first sensor detects the presence of humans or animals within the enclosed structure. The second sensor detects the position of at least one door of the enclosed structure. The third sensor detects tampering with the system. The ultraviolet light source provides electromagnetic radiation in the ultraviolet range. The motor moves the ultraviolet light source from an inactive position to an active position and from the active position to the inactive position. The controller receives inputs from the first sensor, the second sensor, and the third sensor, and transmits outputs to the ultraviolet light source and the motor. When the controller receives signals that no humans or animals are present in the enclosed structure and that the door is in a closed position, the controller transmits a signal to the motor to move the ultraviolet light source from the inactive position to the active position and a signal to activate the ultraviolet light source. If humans or animals are detected to be present in the enclosed structure or if the door is detected to be open, then the controller deactivates the ultraviolet light source and repositions the ultraviolet light source.

Apparatuses are disclosed which include a discharge lamp configured to emit ultraviolet light, a power circuit configured to operate the discharge lamp, and a reflector system configured to redirect ultraviolet light emitted from the discharge lamp. In some embodiments, the apparatuses include a support structure containing the power circuit and supporting the discharge lamp. In some of such embodiments, the reflector system is configured to redirect ultraviolet light propagating away from the support structure to a region exterior to the apparatus and which is between approximately 2 feet and approximately 4 feet from a floor of a room in which the apparatus is arranged. In other embodiments, the reflector system may be additionally or alternatively configured to redirect ultraviolet light propagating away from the support structure to encircle an exterior surface of the apparatus. In any case, the reflector system may, in some embodiments, include a repositionable reflector.

Embodiments of the present invention provide systems and methods for point of use location treatment of potable water supplies on demand on board passenger vehicles, such as aircraft. The systems described generally provide increased safety features, alternate ultraviolet light sources, and reduced power consumption.

An approach for the treatment of surfaces in public places with ultraviolet light is disclosed. In one embodiment, a disinfection illuminator having ultraviolet radiation sources can irradiate a number of contact surfaces. A control unit can control the ultraviolet irradiation of the contact surfaces. The disinfection illuminator is suitable for a wide variety of devices that are used by the general public. Gas station pumps, door knobs, key pads, and bathrooms are illustrative of examples of some devices and places having commonly-used surfaces that can be treated by the disinfection illuminator.

A protective case for a mobile electronic device is provided. The case includes at least one light emitting diode that emits electromagnetic radiation in the range of UV-C light for sanitizing contaminated surfaces. The case also includes additional LEDs that emit light at wavelengths known to have a therapeutic effect such as a blue light for treating seasonal affective disorder. The LEDs are provided in a separate encasement that is detachable from the protective cover configured to receive and protect the mobile electronic device. A short-range wireless receiver is included to communicate with an application installed on the mobile electronic device for controlling the activation, intensity, duration and mode of the LEDs including predetermined treatment or sanitization protocols.

An extreme ultra violet light source apparatus in which both a mechanism of supplying a droplet target to a laser application position at a high speed and a mechanism of trapping charged particles generated from plasma are managed without disturbing a track of the target. The apparatus includes: a target nozzle that injects a target material toward a plasma generation point; an electric charge supply unit that charges the injected target material; an acceleration unit that accelerates the charged target material; a laser oscillator that applies a laser beam to the target material at the plasma generation point to generate plasma; and electromagnets that form a magnetic field at the plasma generation point such that the magnetic field has substantially straight lines of magnetic flux in substantially parallel with a traveling direction of the target material in the track of the target material.