3results about How to "Uniform spot" patented technology

The utility model discloses a lamp which comprises a shell, a light-transmitting piece, a main supporting frame and a light source device, the light source device comprises an installation substrate and a light-emitting body, the installation substrate is provided with an installation base face used for installing the light-emitting body, and the light-emitting body is configured to emit light rays; the position of the light source device is lifted to the mounting base surface to approach to the upper edge of the shell from bottom to top or upwards exceed the upper edge of the shell, so that the upper edge of the shell is prevented from interfering with lateral light rays emitted by the light source device from the light transmitting part; according to the lamp, light rays of a single light source are laterally diffused, the shell is matched with the light transmitting piece in an avoiding mode, so that light spots formed by the lamp are larger, the uniformity is better, the lighting effect is improved, and the light sensation of the whole space is better.

This utility model provides a novel flashlight device, comprising a base, a lamp body, and a main body. One side of the lamp body is connected to the base, and the other side is connected to the main body. A camping light panel is disposed on one side of the main body near the base, and a flashlight panel is disposed on the other side. A cat's-eye lens is disposed on the lower side of the flashlight panel. A die-cast aluminum part is disposed on the outer periphery of the main body, and the cat's-eye lens is located within the die-cast aluminum part. A microprism lens is disposed inside the lamp body, and the inner diameter of the microprism lens gradually decreases from the base to the main body. The novel flashlight device provided by this utility model has an optical system and heat dissipation structure that can simultaneously meet the requirements of a wide-range camping light and a professional flashlight. Its camping light spot is more uniform, its flashlight has a higher light output, and it has good heat dissipation.

The application relates to the technical field of laser micro-nano processing, and particularly provides a femtosecond laser processing system and method, wherein the femtosecond laser processing system comprises a laser emission module and a beam shaping module; the beam shaping module comprises a pulse separator, a spatial light modulator and a beam expander; the laser emission module, the pulse separator, the beam expander and the spatial light modulator are sequentially arranged; the laser emission module is used for emitting laser pulses; the laser pulses sequentially pass through the pulse separator and the beam expander and then reach the spatial light modulator; the pulse separator is used for splitting the laser pulses and introducing a pulse delay time between the split laser pulses; the beam expander is used for expanding the laser beam; and the spatial light modulator is used for shaping a Gaussian beam into a flat-top beam. The application has the effect of improving the processing quality of nanochannels on a grating surface.