A self-focusing lens, also called a gradient-index (GRIN) lens, is a cylindrical optical lens with a refractive index that varies gradually in the radial direction. It provides focusing and imaging. Main features: small size and a cylindrical shape that facilitates assembly. Product selection table: Diameter codes: 10=1.0 mm; 18=1.8 mm; 30=3.0 mm. Wavelength codes: 630=630 nm; 850=850 nm; 1310=1310 nm; 1550=1550 nm; 1310/1550=1310/1550 nm; 1250~1650=1250~1650 nm. Angle codes: 00=0°; 2D=2° on one surface; 4D=4° on one surface; 6D=6° on one surface; 8D=8° on one surface; 2P=2° on both surfaces. Pitch codes: 23=0.25P; 25=0.23P. Coating codes: NC=uncoated; AR1=coated on one surface; AR2=coated on both surfaces. Bandwidth: single wavelength=±30 nm; single wavelength=±50 nm; single wavelength=±100 nm.
Gradient-index lenses provide end-face collimation, coupling and imaging in a compact cylindrical form, making them convenient for diverse miniature optical systems. They are widely used in integrated optics, miniature optical systems, medical optical instruments, optical copiers, fax machines and scanners. GRIN lenses are essential basic components in passive optical-communications devices and are used wherever focusing and collimation are required, including optical couplers, collimators, optical isolators, optical switches and lasers. Optical collimators; optical isolators; DWDM devices.
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Fujian Zhongce Optoelectronics Co., Ltd. was established at the end of 2007. It is a high-tech certified enterprise specializing in the design, production, and sales of optical communication components. It has passed ISO9001-2015 international quality system, ISO14000-2004 international environmental management system, and GB/T29490-2013 intellectual property management system certifications. It is the first domestic enterprise mainly engaged in optical communication crystal component materials to be listed on the OTC exchange.
Zhongce Optoelectronics is dedicated to providing customers with full supply chain services including crystal blanks, optical cold processing, optical devices, and optical coatings. To date, the company has developed: C/G-lens, KTP wafers, TGG rods, PBS polarizing beam splitters, fiber collimators, lithium niobate (LiNbO3), yttrium vanadate (YVO4), quartz waveplates, optical isolator cores, optical isolators, optical circulator cores, and other cost-effective optical communication components and laser crystals. The company's optical isolator cores and in-line isolators fully leverage the design and processing advantages of its own optical components, maintaining an advanced level in product development and technological innovation. Experienced optical design and device packaging engineers can provide customers with various solutions.
The company actively undertakes external cooperation, establishes OEM strategic partnerships with domestic and international customers, and strives to become an excellent supplier for the optical communication industry and passive optical device manufacturers!