Ball Lenses are commonly used to improve signal quality in fiber coupling applications, or for use in endoscopy or bar code scanning applications. Ball Lenses feature short back focal lengths to minimize the distance needed from the Ball Lens to the optical fiber.
Worldhawk can provide spherical ball lenses and half ball lenses in a range of substrates for performance in the ultraviolet to the NIR. Such as including H-K9L(N-BK7), Sapphire, CaF2, BaF2, ZnSe or custom materials upon request.
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Nowadays, 3D is a hot word. 3D movies, 3D games, 3D projectors, 3D maps... On the 15th, at the Joint Research Center of the Southwest Medical University of the Third Military Medical University, a printer capable of printing three-dimensional bones appeared. The printer can stereoscopically print all the bones inside the human body in a 1:1 ratio.
According to Dr. Wang Fuyou, joint surgeon of Southwest Hospital, the bone printer is called the 3D printing rapid prototyping machine, which first appeared in Canada in 2007.
“Bone printers use layered processing and superposition forming, which means that by adding layers of material to create three-dimensional entities. Simply put, the principle of bone printers is the reverse process of tomography, and tomography is the 'cutting' of defective bones into numerous superimposed layers. The film is then printed one by one with a 3D printer, and these self-adhesive materials are stacked together to form a three-dimensional object. The layering process is very similar to traditional ink-jet printing, and the name comes from this."
"In addition to teaching the 'printing' of solid organs, it will be used in more practical operations in hospitals in the future." Wang Fuyou said, doctors can use the printed "human organs" to explain the surgical plan to patients, and doctors can also use This discussion of the treatment process, after all, very few patients can understand the CT data, shoot out the film.
"Last month, a patient had to undergo joint replacement surgery because of meniscus necrosis. The hospital used this method to create a 1:1 model for the patient to communicate with the patient." Wang Fuyou said, "Bone printer" The raw materials are imported foreign special-purpose bio-material powders and adhesives, even if the cost of printing a simple joint does not exceed 1,000 yuan.
Half-Ball (hemispherical) lenses are ideal for applications such as fiber communication,endoscopy, microscopy, optical pick-up devices,and laser measurement systems.
