8 results about "Collimator devices" patented technology

The application belongs to the technical field of double-head photoelectric autocollimator equipment, and particularly relates to a double-head photoelectric autocollimator, which comprises a photoelectric autocollimator body, object lens barrels are arranged on the two sides of the photoelectric autocollimator body, lenses are arranged in the object lens barrels, a sealing cover is hingedly arranged on one side of the object lens barrel, a mounting groove is formed in one side of the sealing cover, a through hole is formed in the middle of the outer wall of the sealing cover, a pressing rod is movably connected in the through hole, a limiting sliding block is arranged on the inner side of the through hole, an arc rotary sliding groove is slidably connected with the limiting sliding block on the outer wall of the pressing rod, a first mounting plate is fixed to one end of the pressing rod extending into the mounting groove, a plurality of telescopic rods are fixed to one side of the first mounting plate, and the same second mounting plate is fixed to the other ends of the plurality of telescopic rods; the application can clean dust on the lenses, has good cleaning effect, avoids the influence of dust on the accuracy of instrument measurement, and can well protect the lenses.

The utility model relates to the field of laser cladding technology, concretely is multi -working condition cooperation integrated laser cladding metal additive manufacturing equipment, including the support for being connected with mechanical arm, the collimator device for installing on the support and with laser head connection and the rotation module for driving multiple spray head subassembly rotation and connecting on the support, and multiple spray head subassembly are fixedly installed on the rotation module. The utility model constructs the collaborative working mechanism through the rotation module integration multiple application working condition's spray head and constructs the collaborative working mechanism, so that the utility model can realize the quick switching of spray head for different working conditions, need not repeat dismounting assembly etc. work, and the work efficiency improves greatly, while supports multiple different construction's spray head to share one collimator device, effectively reduces the spray head configuration cost, and flexible switching of different spray heads not only satisfies the forming requirement of complex parts, also satisfies the industrialized production demand of large quantities, multi -working condition alternation, provides efficient solution scheme for diversified production demand.

The application discloses a mirror seat and an electric focusing collimator device, and belongs to the technical field of collimators. The mirror seat comprises a base and a water-cooling pressing plate. A mirror chamber for mounting a lens is formed in the base, and a flow guide groove surrounding the mirror chamber is also formed in the base. The water-cooling pressing plate is mounted on the end face of the base and seals the flow guide groove. Liquid inlet and outlet openings communicating with the flow guide groove are also formed in the base. The mirror seat is composed of the base and the water-cooling pressing plate. The flow guide groove surrounding the mirror chamber is formed in the base. In the use process, the base can be continuously cooled by introducing cooling liquid into the flow guide groove, so that the high-temperature stress of the mirror seat is relieved, the damage of the high temperature to the lens is indirectly reduced, and the service life is prolonged.

The present application relates to the technical field of lens assembly, and particularly relates to a lens module AA assembly system and an assembly method. The lens module AA assembly system comprises an image sensor bearing device, a lens bearing device, a core adjusting device, a collimator device and a picture card device. The image sensor bearing device comprises an image sensor fixing device and a testing device, and the image sensor is fixed through the image sensor fixing device. The lens is carried through the lens bearing device. The core adjusting device is provided with a relay lens. The lens module, the core adjusting device, the collimator device and the picture card device are sequentially arranged from bottom to top. The lens module AA assembly system has the advantages of simple operation, wide application range and high efficiency.

The invention relates to the technical field of radiotherapy, and provides a radiotherapy three-dimensional conformal intensity-modulated collimator device, which comprises a plurality of treatment heads and an annular shell, the plurality of treatment heads are arranged at equal intervals along the annular direction, a plurality of structural cavities are formed in the annular shell, the plurality of structural cavities are in one-to-one correspondence with the plurality of treatment heads, and the plurality of structural cavities and the plurality of treatment heads are in one-to-one correspondence. Every two adjacent structural cavities are communicated with each other, and the annular shell is provided with a filling opening and an exhaust opening. The storage tank is filled with a liquid high-density filling material; the automatic pressurizer is provided with a pressurizing opening and an air suction opening, the pressurizing opening is communicated with the filling opening through a first pipeline, a first valve is installed on the first pipeline, the air suction opening is communicated with the exhaust opening through a second pipeline, and a second valve is installed on the second pipeline.

Described herein are devices, systems, and methods for implementing free-space multi-channel optical interferometers. Such interferometers may include a beam-splitting device or assembly that performs the various beam-splitting and beam-combining functions, and multiple collimator devices configured in pairs that map light for the multiple optical channels along the interferometer paths between sets of waveguide cores. The interferometer may include one or more of the following features: high-precision collimator assemblies constructed from a waveguide array and two collimator lenses whose distance is carefully set to achieve a desired focal length, a transparent plate or set of plates with selective beam-splitting surface coatings serving as the beam-splitting device, and a planar light circuit (PLC) free-space-coupled to an optical fiber to split light from the optical fiber between multiple waveguide cores for the multiple optical channels, optionally with a polarization controller or modulator inserted between optical fiber and PLC for polarization-diverse interferometry.

The application provides a medical particle accelerator scanning type continuous irradiation beam distribution system, which comprises a mounting frame and a double scanning magnet, a scattering device, an energy continuous modulator and a switchable swingable collimator device arranged in sequence from far to near along a straight line from a point light source to an isocenter, wherein the double scanning magnet is responsible for deflecting and scanning a speed, the scattering device is responsible for changing a cylindrical scanning speed into a conical beam with a certain divergence angle, the switchable swingable collimator device is responsible for restricting the conical beam into a trapezoidal beam, and the energy continuous modulator is responsible for longitudinally pulling a Bragg peak to perform continuous irradiation of each irradiation unit.

Described herein are devices, systems, and methods for implementing free-space multi-channel optical interferometers. Such interferometers may include a beam-splitting device or assembly that performs the various beam-splitting and beam-combining functions, and multiple collimator devices configured in pairs that map light for the multiple optical channels along the interferometer paths between sets of waveguide cores. The interferometer may include one or more of the following features: high-precision collimator assemblies constructed from a waveguide array and two collimator lenses whose distance is carefully set to achieve a desired focal length, a transparent plate or set of plates with selective beam-splitting surface coatings serving as the beam-splitting device, and a planar light circuit (PLC) free-space-coupled to an optical fiber to split light from the optical fiber between multiple waveguide cores for the multiple optical channels, optionally with a polarization controller or modulator inserted between optical fiber and PLC for polarization-diverse interferometry.