5results about "Photometry for measuring UV light" patented technology

To provide UV-responsive laminates including a first layer having a photochromatic pigment arranged as a pigment texture, or one or more photochromatic indicators, or combinations thereof.SOLUTION: The photochromatic pigment may be disposed on the laminates during laminate fabrication, prior to laminate installation, or subsequently to the installation in situ. The photochromatic pigment is configured to change from a first state to a second state in response to exposure to an ultraviolet (UV) light source, the first state is invisible to the naked eye under ambient lighting and the second state is visible to the naked eye under ambient lighting. The UV-responsive laminates may further include additional layers, such as a second layer which may be a coupling layer configured to removably couple the laminate to a component. Additional layers, such as a protective layer or a backing layer, may also be included in the UV-responsive laminate.SELECTED DRAWING: Figure 1D

A tracking system (200, 302) for an adaptive eyeglass (202) comprises a left eye-tracker (204a, 304a), a right eye-tracker (204b, 304b), left auxiliary sensor(s) (206a, 306a-c), right auxiliary sensor(s) (206b, 306d-f), a processor (208, 308), a left communication bus (210a, 310a) communicably coupling the processor to the left auxiliary sensor(s), and a right communication bus (210b, 310b) communicably coupling the processor to the right auxiliary sensor(s). Communication between the left auxiliary sensor(s) and the left communication bus is temporarily disabled, whilst sampling left eye-tracking data using the left eye-tracker. Communication between the right auxiliary sensor(s) and the right communication bus is temporarily disabled, whilst sampling right eye-tracking data using the right eye-tracker.

Disclosed is an optical detector device comprising a housing with a projecting neck that is closed towards the outside by a light-permeable disk, underneath which at least one optical waveguide is arranged that tapers in the direction of an optical sensor, further comprising an optical waveguide assembly (18) having a plurality of optical waveguides which are retained in the neck (8) by a holding mechanism (25).

A package structure for an optical sensor enables sensing through reception of light in an ultraviolet (UV) wavelength range and converts an UV signal to a digital signal. The package structure for the optical sensor includes a light shield disposed at a printed circuit board (PCB) substrate on which a device portion for light sensing is mounted, surrounding the device portion such that a light receiving part of the device portion is exposed, and made of a material that blocks visible light coming in from a side of the device portion except the light receiving part; and a light diffuser disposed at the light receiving part of the device portion, configured to allow the light to pass through and diffuse the light, and made of a material including silicon dioxide.

The application belongs to the field of laser plasma, and discloses an extreme ultraviolet (EUV) supercontinuum light source generating device and method for a 10-20 nm wave band, which can be used for quantity detection in advanced semiconductor manufacturing. The device comprises a vacuum pump set, a vacuum chamber, a target material, an EUV spectrum measurement system, a laser, a half-wave plate and a polarizer combination, a focusing lens, and a beam expander. The vacuum chamber maintains a proper vacuum degree through air extraction by the vacuum pump, and the supercontinuum radiation of 10-20 nm is generated by irradiating the target material with a laser. After the spectrum radiation energy and the laser-EUV radiation conversion efficiency are quantified through the EUV spectrum measurement system and the radiation calibration and energy calculation method, the optimal focusing spot size under the best light-emitting efficiency of different laser wavelengths, laser pulse times and laser energies is obtained, and finally the maximum light-emitting efficiency of different laser parameters in the 10-20 nm wave band is realized.